mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
1228 lines
37 KiB
Ruby
1228 lines
37 KiB
Ruby
# encoding: utf-8
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require_relative 'spec_helper'
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require_relative '../../shared/string/times'
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load_extension('string')
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class CApiStringSpecs
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class ValidTostrTest
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def to_str
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"ruby"
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end
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end
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class InvalidTostrTest
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def to_str
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[]
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end
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end
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class ToSOrInspect
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def to_s
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'A string'
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end
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def inspect
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'A different string'
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end
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end
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end
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describe :rb_str_new2, shared: true do
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it "returns a new string object calling strlen on the passed C string" do
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# Hardcoded to pass const char * = "hello\0invisible"
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@s.send(@method, "hello\0not used").should == "hello"
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end
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it "encodes the string with ASCII_8BIT" do
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@s.send(@method, "hello").encoding.should == Encoding::BINARY
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end
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end
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describe "C-API String function" do
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before :each do
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@s = CApiStringSpecs.new
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end
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[Encoding::BINARY, Encoding::UTF_8].each do |enc|
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describe "rb_str_set_len on a #{enc.name} String" do
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before :each do
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@str = "abcdefghij".force_encoding(enc)
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# Make sure to unshare the string
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@s.rb_str_modify(@str)
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end
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it "reduces the size of the string" do
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@s.rb_str_set_len(@str, 5).should == "abcde"
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end
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it "inserts a NULL byte at the length" do
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@s.rb_str_set_len(@str, 5).should == "abcde"
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@s.rb_str_set_len(@str, 8).should == "abcde\x00gh"
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end
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it "updates the byte size" do
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@s.rb_str_set_len(@str, 4)
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@str.bytesize.should == 4
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@str.should == "abcd"
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end
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it "invalidates the character size" do
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@str.size.should == 10
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@s.rb_str_set_len(@str, 4)
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@str.size.should == 4
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@str.should == "abcd"
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end
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it "invalidates the code range" do
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@s.rb_str_set_len(@str, 4)
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@str.should.ascii_only?
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end
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it "updates the string's attributes visible in C code" do
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@s.rb_str_set_len_RSTRING_LEN(@str, 4).should == 4
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end
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it "can reveal characters written from C with RSTRING_PTR" do
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@s.rb_str_set_len(@str, 1)
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@str.should == "a"
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@s.RSTRING_PTR_set(@str, 1, 'B'.ord)
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@s.RSTRING_PTR_set(@str, 2, 'C'.ord)
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@s.rb_str_set_len(@str, 3)
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@str.bytesize.should == 3
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@str.should == "aBC"
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end
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end
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end
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describe "rb_str_set_len on a UTF-16 String" do
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before :each do
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@str = "abcdefghij".force_encoding(Encoding::UTF_16BE)
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# Make sure to unshare the string
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@s.rb_str_modify(@str)
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end
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it "inserts two NULL bytes at the length" do
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@s.rb_str_set_len(@str, 4).b.should == "abcd".b
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@s.rb_str_set_len(@str, 8).b.should == "abcd\x00\x00gh".b
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end
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end
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describe "rb_str_set_len on a UTF-32 String" do
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before :each do
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@str = "abcdefghijkl".force_encoding(Encoding::UTF_32BE)
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# Make sure to unshare the string
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@s.rb_str_modify(@str)
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end
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it "inserts four NULL bytes at the length" do
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@s.rb_str_set_len(@str, 4).b.should == "abcd".b
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@s.rb_str_set_len(@str, 12).b.should == "abcd\x00\x00\x00\x00ijkl".b
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end
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end
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describe "rb_str_buf_new" do
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it "returns the equivalent of an empty string" do
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buf = @s.rb_str_buf_new(10, nil)
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buf.should == ""
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buf.bytesize.should == 0
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buf.size.should == 0
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@s.RSTRING_LEN(buf).should == 0
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end
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it "returns a string with the given capacity" do
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buf = @s.rb_str_buf_new(256, nil)
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@s.rb_str_capacity(buf).should >= 256
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end
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it "returns a string that can be appended to" do
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str = @s.rb_str_buf_new(10, "defg")
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str << "abcde"
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str.should == "abcde"
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end
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it "returns a string that can be concatenated to another string" do
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str = @s.rb_str_buf_new(10, "defg")
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("abcde" + str).should == "abcde"
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end
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it "returns a string whose bytes can be accessed by RSTRING_PTR" do
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str = @s.rb_str_buf_new(10, "abcdefghi")
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@s.rb_str_new(str, 10).should == "abcdefghi\x00"
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end
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it "returns a string that can be modified by rb_str_set_len" do
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str = @s.rb_str_buf_new(10, "abcdef")
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@s.rb_str_set_len(str, 4)
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str.should == "abcd"
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@s.rb_str_set_len(str, 8)
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str[0, 6].should == "abcd\x00f"
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@s.RSTRING_LEN(str).should == 8
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end
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it "can be used as a general buffer and reveal characters with rb_str_set_len" do
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str = @s.rb_str_buf_new(10, "abcdef")
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@s.RSTRING_PTR_set(str, 0, 195)
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@s.RSTRING_PTR_set(str, 1, 169)
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@s.rb_str_set_len(str, 2)
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str.force_encoding(Encoding::UTF_8)
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str.bytesize.should == 2
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str.size.should == 1
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str.should == "é"
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end
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end
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describe "rb_str_buf_new2" do
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it "returns a new string object calling strlen on the passed C string" do
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# Hardcoded to pass const char * = "hello\0invisible"
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@s.rb_str_buf_new2.should == "hello"
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end
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end
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describe "rb_str_tmp_new" do
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it "returns a hidden string (RBasic->klass is NULL)" do
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@s.rb_str_tmp_new_klass(4).should == false
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end
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it "returns a new String object filled with \\0 bytes" do
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s = @s.rb_str_tmp_new(4)
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s.encoding.should == Encoding::BINARY
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s.bytesize.should == 4
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s.size.should == 4
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s.should == "\x00\x00\x00\x00"
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end
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end
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describe "rb_str_new" do
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it "creates a new String with BINARY Encoding" do
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@s.rb_str_new("", 0).encoding.should == Encoding::BINARY
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end
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it "returns a new string object from a char buffer of len characters" do
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@s.rb_str_new("hello", 3).should == "hel"
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end
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it "returns an empty string if len is 0" do
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@s.rb_str_new("hello", 0).should == ""
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end
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it "copy length bytes and does not stop at the first \\0 byte" do
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@s.rb_str_new("he\x00llo", 6).should == "he\x00llo"
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@s.rb_str_new_native("he\x00llo", 6).should == "he\x00llo"
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end
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it "returns a string from an offset char buffer" do
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@s.rb_str_new_offset("hello", 1, 3).should == "ell"
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end
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end
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describe "rb_str_new2" do
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it_behaves_like :rb_str_new2, :rb_str_new2
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end
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describe "rb_str_new_cstr" do
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it_behaves_like :rb_str_new2, :rb_str_new_cstr
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end
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describe "rb_usascii_str_new" do
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it "creates a new String with US-ASCII Encoding from a char buffer of len characters" do
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str = "abc".force_encoding("us-ascii")
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result = @s.rb_usascii_str_new("abcdef", 3)
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result.should == str
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result.encoding.should == Encoding::US_ASCII
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end
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end
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describe "rb_usascii_str_new_lit" do
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it "returns a US-ASCII string of the correct characters" do
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str = @s.rb_usascii_str_new_lit
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str.should == "nokogiri"
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str.encoding.should == Encoding::US_ASCII
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end
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it "returns US-ASCII string for non-US-ASCII string literal" do
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str = @s.rb_usascii_str_new_lit_non_ascii
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str.should == "r\xC3\xA9sum\xC3\xA9".force_encoding(Encoding::US_ASCII)
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str.encoding.should == Encoding::US_ASCII
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end
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end
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describe "rb_usascii_str_new_cstr" do
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it "creates a new String with US-ASCII Encoding" do
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str = "abc".force_encoding("us-ascii")
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result = @s.rb_usascii_str_new_cstr("abc")
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result.should == str
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result.encoding.should == Encoding::US_ASCII
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end
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end
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describe "rb_str_encode" do
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it "returns a String in the destination encoding" do
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result = @s.rb_str_encode("abc", Encoding::ISO_8859_1, 0, nil)
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result.encoding.should == Encoding::ISO_8859_1
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end
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it "transcodes the String" do
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result = @s.rb_str_encode("ありがとう", "euc-jp", 0, nil)
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euc_jp = [0xa4, 0xa2, 0xa4, 0xea, 0xa4, 0xac, 0xa4, 0xc8, 0xa4, 0xa6].pack('C*').force_encoding("euc-jp")
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result.should == euc_jp
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result.encoding.should == Encoding::EUC_JP
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end
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it "returns a dup of the original String" do
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a = "abc"
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b = @s.rb_str_encode("abc", "us-ascii", 0, nil)
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a.should_not equal(b)
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end
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it "returns a duplicate of the original when the encoding doesn't change" do
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a = "abc"
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b = @s.rb_str_encode("abc", Encoding::UTF_8, 0, nil)
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a.should_not equal(b)
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end
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it "accepts encoding flags" do
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xFF = [0xFF].pack('C').force_encoding('utf-8')
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result = @s.rb_str_encode("a#{xFF}c", "us-ascii",
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Encoding::Converter::INVALID_REPLACE, nil)
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result.should == "a?c"
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result.encoding.should == Encoding::US_ASCII
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end
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it "accepts an encoding options Hash specifying replacement String" do
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# Yeah, MRI aborts with rb_bug() if the options Hash is not frozen
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options = { replace: "b" }.freeze
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xFF = [0xFF].pack('C').force_encoding('utf-8')
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result = @s.rb_str_encode("a#{xFF}c", "us-ascii",
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Encoding::Converter::INVALID_REPLACE,
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options)
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result.should == "abc"
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result.encoding.should == Encoding::US_ASCII
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end
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end
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describe "rb_str_new3" do
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it "returns a copy of the string" do
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str1 = "hi"
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str2 = @s.rb_str_new3 str1
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str1.should == str2
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str1.should_not equal str2
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end
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end
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describe "rb_str_new4" do
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it "returns the original string if it is already frozen" do
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str1 = "hi"
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str1.freeze
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str2 = @s.rb_str_new4 str1
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str1.should == str2
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str1.should equal(str2)
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str1.should.frozen?
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str2.should.frozen?
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end
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it "returns a frozen copy of the string" do
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str1 = "hi"
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str2 = @s.rb_str_new4 str1
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str1.should == str2
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str1.should_not equal(str2)
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str2.should.frozen?
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end
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end
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describe "rb_str_dup" do
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it "returns a copy of the string" do
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str1 = "hi"
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str2 = @s.rb_str_dup str1
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str1.should == str2
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str1.should_not equal str2
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end
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end
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describe "rb_str_new5" do
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it "returns a new string with the same class as the passed string" do
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string_class = Class.new(String)
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template_string = string_class.new("hello world")
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new_string = @s.rb_str_new5(template_string, "hello world", 11)
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new_string.should == "hello world"
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new_string.class.should == string_class
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end
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end
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describe "rb_str_append" do
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it "appends a string to another string" do
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@s.rb_str_append("Hello", " Goodbye").should == "Hello Goodbye"
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end
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it "raises a TypeError trying to append non-String-like object" do
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-> { @s.rb_str_append("Hello", 32323)}.should raise_error(TypeError)
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end
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it "changes Encoding if a string is appended to an empty string" do
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string = "パスタ".encode(Encoding::ISO_2022_JP)
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@s.rb_str_append("", string).encoding.should == Encoding::ISO_2022_JP
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end
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end
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describe "rb_str_plus" do
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it "returns a new string from concatenating two other strings" do
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@s.rb_str_plus("Hello", " Goodbye").should == "Hello Goodbye"
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end
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end
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describe "rb_str_times" do
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it_behaves_like :string_times, :rb_str_times, -> str, times { @s.rb_str_times(str, times) }
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end
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describe "rb_str_buf_append" do
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it "concatenates a string to another string" do
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str = "Your house "
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@s.rb_str_buf_append(str, "is on fire?").should.equal?(str)
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str.should == "Your house is on fire?"
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end
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end
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describe "rb_str_buf_cat" do
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it "concatenates a C string to a ruby string" do
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@s.rb_str_buf_cat("Your house is on fire").should == "Your house is on fire?"
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end
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end
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describe "rb_str_cat" do
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it "concatenates a C string to ruby string" do
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@s.rb_str_cat("Your house is on fire").should == "Your house is on fire?"
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end
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end
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describe "rb_str_cat2" do
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it "concatenates a C string to a ruby string" do
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@s.rb_str_cat2("Your house is on fire").should == "Your house is on fire?"
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end
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end
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describe "rb_str_cat_cstr" do
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it "concatenates a C string literal to a ruby string" do
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@s.rb_str_cat_cstr_constant("Your house is on fire").should == "Your house is on fire?"
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end
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it "concatenates a variable C string to a ruby string" do
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@s.rb_str_cat_cstr("Your house is on fire", "?").should == "Your house is on fire?"
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end
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end
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describe "rb_enc_str_buf_cat" do
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it "concatenates a C string literal to a ruby string with the given encoding" do
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input = "hello ".force_encoding(Encoding::US_ASCII)
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result = @s.rb_enc_str_buf_cat(input, "résumé", Encoding::UTF_8)
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result.should == "hello résumé"
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result.encoding.should == Encoding::UTF_8
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result.object_id.should == input.object_id
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end
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end
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describe "rb_str_cmp" do
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it "returns 0 if two strings are identical" do
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@s.rb_str_cmp("ppp", "ppp").should == 0
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end
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it "returns -1 if the first string is shorter than the second" do
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@s.rb_str_cmp("xxx", "xxxx").should == -1
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end
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it "returns -1 if the first string is lexically less than the second" do
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@s.rb_str_cmp("xxx", "yyy").should == -1
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end
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it "returns 1 if the first string is longer than the second" do
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@s.rb_str_cmp("xxxx", "xxx").should == 1
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end
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it "returns 1 if the first string is lexically greater than the second" do
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@s.rb_str_cmp("yyy", "xxx").should == 1
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end
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end
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describe "rb_str_split" do
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it "splits strings over a splitter" do
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@s.rb_str_split("Hello,Goodbye").should == ["Hello", "Goodbye"]
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end
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end
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describe "rb_str2inum" do
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it "converts a string to a number given a base" do
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@s.rb_str2inum("10", 10).should == 10
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@s.rb_str2inum("A", 16).should == 10
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end
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end
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describe "rb_cstr2inum" do
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it "converts a C string to a Fixnum given a base" do
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@s.rb_cstr2inum("10", 10).should == 10
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@s.rb_cstr2inum("10", 16).should == 16
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end
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it "converts a C string to a Bignum given a base" do
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@s.rb_cstr2inum(bignum_value.to_s, 10).should == bignum_value
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end
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it "converts a C string to a Fixnum non-strictly if base is not 0" do
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@s.rb_cstr2inum("1234a", 10).should == 1234
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end
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it "converts a C string to a Fixnum strictly if base is 0" do
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-> { @s.rb_cstr2inum("1234a", 0) }.should raise_error(ArgumentError)
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end
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end
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describe "rb_cstr_to_inum" do
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it "converts a C string to a Fixnum given a base" do
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@s.rb_cstr_to_inum("1234", 10, true).should == 1234
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end
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it "converts a C string to a Bignum given a base" do
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@s.rb_cstr_to_inum(bignum_value.to_s, 10, true).should == bignum_value
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end
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it "converts a C string to a Fixnum non-strictly" do
|
|
@s.rb_cstr_to_inum("1234a", 10, false).should == 1234
|
|
end
|
|
|
|
it "converts a C string to a Fixnum strictly" do
|
|
-> { @s.rb_cstr_to_inum("1234a", 10, true) }.should raise_error(ArgumentError)
|
|
end
|
|
end
|
|
|
|
describe "rb_fstring" do
|
|
it 'returns self if the String is frozen' do
|
|
input = 'foo'.freeze
|
|
output = @s.rb_fstring(input)
|
|
|
|
output.should equal(input)
|
|
output.should.frozen?
|
|
end
|
|
|
|
it 'returns a frozen copy if the String is not frozen' do
|
|
input = 'foo'
|
|
output = @s.rb_fstring(input)
|
|
|
|
output.should.frozen?
|
|
output.should_not equal(input)
|
|
output.should == 'foo'
|
|
end
|
|
end
|
|
|
|
describe "rb_str_subseq" do
|
|
it "returns a byte-indexed substring" do
|
|
str = "\x00\x01\x02\x03\x04".force_encoding("binary")
|
|
@s.rb_str_subseq(str, 1, 2).should == "\x01\x02".force_encoding("binary")
|
|
end
|
|
end
|
|
|
|
describe "rb_str_substr" do
|
|
it "returns a substring" do
|
|
"hello".length.times do |time|
|
|
@s.rb_str_substr("hello", 0, time + 1).should == "hello"[0..time]
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "rb_str_to_str" do
|
|
it "calls #to_str to coerce the value to a String" do
|
|
@s.rb_str_to_str("foo").should == "foo"
|
|
@s.rb_str_to_str(CApiStringSpecs::ValidTostrTest.new).should == "ruby"
|
|
end
|
|
|
|
it "raises a TypeError if coercion fails" do
|
|
-> { @s.rb_str_to_str(0) }.should raise_error(TypeError)
|
|
-> { @s.rb_str_to_str(CApiStringSpecs::InvalidTostrTest.new) }.should raise_error(TypeError)
|
|
end
|
|
end
|
|
|
|
describe "RSTRING_PTR" do
|
|
it "returns a pointer to the string's contents" do
|
|
str = "abc"
|
|
chars = []
|
|
@s.RSTRING_PTR_iterate(str) do |c|
|
|
chars << c
|
|
end
|
|
chars.should == [97, 98, 99]
|
|
end
|
|
|
|
it "allows changing the characters in the string" do
|
|
str = "abc"
|
|
@s.RSTRING_PTR_assign(str, 'A'.ord)
|
|
str.should == "AAA"
|
|
end
|
|
|
|
it "reflects changes after a rb_funcall" do
|
|
lamb = proc { |s| s.replace "NEW CONTENT" }
|
|
|
|
str = "beforebefore"
|
|
|
|
ret = @s.RSTRING_PTR_after_funcall(str, lamb)
|
|
|
|
str.should == "NEW CONTENT"
|
|
ret.should == str
|
|
end
|
|
|
|
it "reflects changes from native memory and from String#setbyte in bounds" do
|
|
str = "abc"
|
|
from_rstring_ptr = @s.RSTRING_PTR_after_yield(str) { str.setbyte(1, 'B'.ord) }
|
|
from_rstring_ptr.should == "1B2"
|
|
str.should == "1B2"
|
|
end
|
|
|
|
it "returns a pointer to the contents of encoded pointer-sized string" do
|
|
s = "70パク".
|
|
encode(Encoding::UTF_16LE).
|
|
force_encoding(Encoding::UTF_16LE).
|
|
encode(Encoding::UTF_8)
|
|
|
|
chars = []
|
|
@s.RSTRING_PTR_iterate(s) do |c|
|
|
chars << c
|
|
end
|
|
chars.should == [55, 48, 227, 131, 145, 227, 130, 175]
|
|
end
|
|
|
|
it "returns a pointer which can be cast and used as another type" do
|
|
s = "70パク".
|
|
encode(Encoding::UTF_16LE).
|
|
force_encoding(Encoding::UTF_16LE).
|
|
encode(Encoding::UTF_8)
|
|
|
|
ints = []
|
|
@s.RSTRING_PTR_iterate_uint32(s) do |i|
|
|
ints << i
|
|
end
|
|
ints.should == s.unpack('LL')
|
|
end
|
|
|
|
it "allows a short memcpy to the string which may be converted to a single write operation by the compiler" do
|
|
str = " "
|
|
@s.RSTRING_PTR_short_memcpy(str).should == "Infinity"
|
|
end
|
|
|
|
it "allows read() to update the string contents" do
|
|
filename = fixture(__FILE__, "read.txt")
|
|
str = ""
|
|
capacities = @s.RSTRING_PTR_read(str, filename)
|
|
capacities[0].should >= 30
|
|
capacities[1].should >= 53
|
|
capacities[0].should < capacities[1]
|
|
str.should == "fixture file contents to test read() with RSTRING_PTR"
|
|
end
|
|
|
|
it "terminates the string with at least (encoding min length) \\0 bytes" do
|
|
@s.RSTRING_PTR_null_terminate("abc", 1).should == "\x00"
|
|
@s.RSTRING_PTR_null_terminate("abc".encode("UTF-16BE"), 2).should == "\x00\x00"
|
|
@s.RSTRING_PTR_null_terminate("abc".encode("UTF-32BE"), 4).should == "\x00\x00\x00\x00"
|
|
end
|
|
end
|
|
|
|
describe "RSTRING_LEN" do
|
|
it "returns the size of the string" do
|
|
@s.RSTRING_LEN("gumdrops").should == 8
|
|
end
|
|
end
|
|
|
|
describe "RSTRING_LENINT" do
|
|
it "returns the size of a string" do
|
|
@s.RSTRING_LENINT("silly").should == 5
|
|
end
|
|
end
|
|
|
|
describe :string_value_macro, shared: true do
|
|
before :each do
|
|
@s = CApiStringSpecs.new
|
|
end
|
|
|
|
it "does not call #to_str on a String" do
|
|
str = "genuine"
|
|
str.should_not_receive(:to_str)
|
|
@s.send(@method, str)
|
|
end
|
|
|
|
it "does not call #to_s on a String" do
|
|
str = "genuine"
|
|
str.should_not_receive(:to_str)
|
|
@s.send(@method, str)
|
|
end
|
|
|
|
it "calls #to_str on non-String objects" do
|
|
str = mock("fake")
|
|
str.should_receive(:to_str).and_return("wannabe")
|
|
@s.send(@method, str).should == "wannabe"
|
|
end
|
|
|
|
it "does not call #to_s on non-String objects" do
|
|
str = mock("fake")
|
|
str.should_not_receive(:to_s)
|
|
-> { @s.send(@method, str) }.should raise_error(TypeError)
|
|
end
|
|
end
|
|
|
|
describe "StringValue" do
|
|
it_behaves_like :string_value_macro, :StringValue
|
|
end
|
|
|
|
describe "SafeStringValue" do
|
|
end
|
|
|
|
describe "rb_str_modify" do
|
|
it "raises an error if the string is frozen" do
|
|
-> { @s.rb_str_modify("frozen".freeze) }.should raise_error(FrozenError)
|
|
end
|
|
end
|
|
|
|
describe "rb_str_modify_expand" do
|
|
it "grows the capacity to bytesize + expand, not changing the bytesize" do
|
|
str = @s.rb_str_buf_new(256, "abcd")
|
|
@s.rb_str_capacity(str).should >= 256
|
|
|
|
@s.rb_str_set_len(str, 3)
|
|
str.bytesize.should == 3
|
|
@s.RSTRING_LEN(str).should == 3
|
|
@s.rb_str_capacity(str).should >= 256
|
|
|
|
@s.rb_str_modify_expand(str, 4)
|
|
str.bytesize.should == 3
|
|
@s.RSTRING_LEN(str).should == 3
|
|
@s.rb_str_capacity(str).should >= 7
|
|
|
|
@s.rb_str_modify_expand(str, 1024)
|
|
str.bytesize.should == 3
|
|
@s.RSTRING_LEN(str).should == 3
|
|
@s.rb_str_capacity(str).should >= 1027
|
|
|
|
@s.rb_str_modify_expand(str, 1)
|
|
str.bytesize.should == 3
|
|
@s.RSTRING_LEN(str).should == 3
|
|
@s.rb_str_capacity(str).should >= 4
|
|
end
|
|
|
|
it "raises an error if the string is frozen" do
|
|
-> { @s.rb_str_modify_expand("frozen".freeze, 10) }.should raise_error(FrozenError)
|
|
end
|
|
end
|
|
|
|
describe "rb_str_resize" do
|
|
it "reduces the size of the string" do
|
|
str = @s.rb_str_resize("test", 2)
|
|
str.size.should == 2
|
|
str.bytesize.should == 2
|
|
@s.RSTRING_LEN(str).should == 2
|
|
str.should == "te"
|
|
end
|
|
|
|
it "updates the string's attributes visible in C code" do
|
|
@s.rb_str_resize_RSTRING_LEN("test", 2).should == 2
|
|
end
|
|
|
|
it "copies the existing bytes" do
|
|
str = "t"
|
|
@s.rb_str_resize_copy(str).should == "test"
|
|
end
|
|
|
|
it "increases the size of the string" do
|
|
expected = "test".force_encoding("US-ASCII")
|
|
str = @s.rb_str_resize(expected.dup, 12)
|
|
str.size.should == 12
|
|
str.bytesize.should == 12
|
|
@s.RSTRING_LEN(str).should == 12
|
|
str[0, 4].should == expected
|
|
end
|
|
end
|
|
|
|
describe "rb_str_inspect" do
|
|
it "returns the equivalent of calling #inspect on the String" do
|
|
@s.rb_str_inspect("value").should == %["value"]
|
|
end
|
|
end
|
|
|
|
describe "rb_str_intern" do
|
|
it "returns a symbol created from the string" do
|
|
@s.rb_str_intern("symbol").should == :symbol
|
|
end
|
|
|
|
it "returns a symbol even if passed an empty string" do
|
|
@s.rb_str_intern("").should == "".to_sym
|
|
end
|
|
|
|
it "returns a symbol even if the passed string contains NULL characters" do
|
|
@s.rb_str_intern("no\0no").should == "no\0no".to_sym
|
|
end
|
|
end
|
|
|
|
describe "rb_str_freeze" do
|
|
it "freezes the string" do
|
|
s = ""
|
|
@s.rb_str_freeze(s).should == s
|
|
s.frozen?.should be_true
|
|
end
|
|
end
|
|
|
|
describe "rb_str_hash" do
|
|
it "hashes the string into a number" do
|
|
s = "hello"
|
|
@s.rb_str_hash(s).should be_kind_of(Integer)
|
|
end
|
|
end
|
|
|
|
describe "rb_str_update" do
|
|
it "splices the replacement string into the original at the given location" do
|
|
@s.rb_str_update("hello", 2, 3, "wuh").should == "hewuh"
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "rb_str_free" do
|
|
# This spec only really exists to make sure the symbol
|
|
# is available. There is no guarantee this even does
|
|
# anything at all
|
|
it "indicates data for a string might be freed" do
|
|
@s.rb_str_free("xyz").should be_nil
|
|
end
|
|
end
|
|
|
|
describe :rb_external_str_new, shared: true do
|
|
it "returns a String in the default external encoding" do
|
|
Encoding.default_external = "UTF-8"
|
|
@s.send(@method, "abc").encoding.should == Encoding::UTF_8
|
|
end
|
|
|
|
it "returns a binary encoded string if any non-ascii bytes are present and default external is US-ASCII" do
|
|
Encoding.default_external = "US-ASCII"
|
|
x80 = [0x80].pack('C')
|
|
@s.send(@method, "#{x80}abc").encoding.should == Encoding::BINARY
|
|
end
|
|
end
|
|
|
|
describe "C-API String function" do
|
|
before :each do
|
|
@s = CApiStringSpecs.new
|
|
@external = Encoding.default_external
|
|
@internal = Encoding.default_internal
|
|
end
|
|
|
|
after :each do
|
|
Encoding.default_external = @external
|
|
Encoding.default_internal = @internal
|
|
end
|
|
|
|
describe "rb_str_length" do
|
|
it "returns the string's length" do
|
|
@s.rb_str_length("dewdrops").should == 8
|
|
end
|
|
|
|
it "counts characters in multi byte encodings" do
|
|
@s.rb_str_length("düwdrops").should == 8
|
|
end
|
|
end
|
|
|
|
describe "rb_str_equal" do
|
|
it "compares two same strings" do
|
|
s = "hello"
|
|
@s.rb_str_equal(s, "hello").should be_true
|
|
end
|
|
|
|
it "compares two different strings" do
|
|
s = "hello"
|
|
@s.rb_str_equal(s, "hella").should be_false
|
|
end
|
|
end
|
|
|
|
describe "rb_external_str_new" do
|
|
it_behaves_like :rb_external_str_new, :rb_external_str_new
|
|
end
|
|
|
|
describe "rb_external_str_new_cstr" do
|
|
it_behaves_like :rb_external_str_new, :rb_external_str_new_cstr
|
|
end
|
|
|
|
describe "rb_external_str_new_with_enc" do
|
|
it "returns a String in the specified encoding" do
|
|
s = @s.rb_external_str_new_with_enc("abc", 3, Encoding::UTF_8)
|
|
s.encoding.should == Encoding::UTF_8
|
|
end
|
|
|
|
it "returns a binary encoded String if any non-ascii bytes are present and the specified encoding is US-ASCII" do
|
|
x80 = [0x80].pack('C')
|
|
s = @s.rb_external_str_new_with_enc("#{x80}abc", 4, Encoding::US_ASCII)
|
|
s.encoding.should == Encoding::BINARY
|
|
end
|
|
|
|
|
|
# it "transcodes a String to Encoding.default_internal if it is set" do
|
|
# Encoding.default_internal = Encoding::EUC_JP
|
|
#
|
|
# - a = "\xE3\x81\x82\xe3\x82\x8c".force_encoding("utf-8")
|
|
# + a = [0xE3, 0x81, 0x82, 0xe3, 0x82, 0x8c].pack('C6').force_encoding("utf-8")
|
|
# s = @s.rb_external_str_new_with_enc(a, a.bytesize, Encoding::UTF_8)
|
|
# -
|
|
# - s.should == "\xA4\xA2\xA4\xEC".force_encoding("euc-jp")
|
|
# + x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4')#.force_encoding('binary')
|
|
# + s.should == x
|
|
# s.encoding.should equal(Encoding::EUC_JP)
|
|
# end
|
|
|
|
it "transcodes a String to Encoding.default_internal if it is set" do
|
|
Encoding.default_internal = Encoding::EUC_JP
|
|
|
|
a = [0xE3, 0x81, 0x82, 0xe3, 0x82, 0x8c].pack('C6').force_encoding("utf-8")
|
|
s = @s.rb_external_str_new_with_enc(a, a.bytesize, Encoding::UTF_8)
|
|
x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4').force_encoding('euc-jp')
|
|
s.should == x
|
|
s.encoding.should equal(Encoding::EUC_JP)
|
|
end
|
|
end
|
|
|
|
describe "rb_locale_str_new" do
|
|
it "returns a String with 'locale' encoding" do
|
|
s = @s.rb_locale_str_new("abc", 3)
|
|
s.should == "abc".force_encoding(Encoding.find("locale"))
|
|
s.encoding.should equal(Encoding.find("locale"))
|
|
end
|
|
end
|
|
|
|
describe "rb_locale_str_new_cstr" do
|
|
it "returns a String with 'locale' encoding" do
|
|
s = @s.rb_locale_str_new_cstr("abc")
|
|
s.should == "abc".force_encoding(Encoding.find("locale"))
|
|
s.encoding.should equal(Encoding.find("locale"))
|
|
end
|
|
end
|
|
|
|
describe "rb_str_conv_enc" do
|
|
it "returns the original String when to encoding is not specified" do
|
|
a = "abc".force_encoding("us-ascii")
|
|
@s.rb_str_conv_enc(a, Encoding::US_ASCII, nil).should equal(a)
|
|
end
|
|
|
|
it "returns the original String if a transcoding error occurs" do
|
|
a = [0xEE].pack('C').force_encoding("utf-8")
|
|
@s.rb_str_conv_enc(a, Encoding::UTF_8, Encoding::EUC_JP).should equal(a)
|
|
end
|
|
|
|
it "returns a transcoded String" do
|
|
a = "\xE3\x81\x82\xE3\x82\x8C".force_encoding("utf-8")
|
|
result = @s.rb_str_conv_enc(a, Encoding::UTF_8, Encoding::EUC_JP)
|
|
x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4').force_encoding('utf-8')
|
|
result.should == x.force_encoding("euc-jp")
|
|
result.encoding.should equal(Encoding::EUC_JP)
|
|
end
|
|
|
|
describe "when the String encoding is equal to the destination encoding" do
|
|
it "returns the original String" do
|
|
a = "abc".force_encoding("us-ascii")
|
|
@s.rb_str_conv_enc(a, Encoding::US_ASCII, Encoding::US_ASCII).should equal(a)
|
|
end
|
|
|
|
it "returns the original String if the destination encoding is ASCII compatible and the String has no high bits set" do
|
|
a = "abc".encode("us-ascii")
|
|
@s.rb_str_conv_enc(a, Encoding::UTF_8, Encoding::US_ASCII).should equal(a)
|
|
end
|
|
|
|
it "returns the origin String if the destination encoding is BINARY" do
|
|
a = "abc".force_encoding("binary")
|
|
@s.rb_str_conv_enc(a, Encoding::US_ASCII, Encoding::BINARY).should equal(a)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "rb_str_conv_enc_opts" do
|
|
it "returns the original String when to encoding is not specified" do
|
|
a = "abc".force_encoding("us-ascii")
|
|
@s.rb_str_conv_enc_opts(a, Encoding::US_ASCII, nil, 0, nil).should equal(a)
|
|
end
|
|
|
|
it "returns the original String if a transcoding error occurs" do
|
|
a = [0xEE].pack('C').force_encoding("utf-8")
|
|
@s.rb_str_conv_enc_opts(a, Encoding::UTF_8,
|
|
Encoding::EUC_JP, 0, nil).should equal(a)
|
|
end
|
|
|
|
it "returns a transcoded String" do
|
|
a = "\xE3\x81\x82\xE3\x82\x8C".force_encoding("utf-8")
|
|
result = @s.rb_str_conv_enc_opts(a, Encoding::UTF_8, Encoding::EUC_JP, 0, nil)
|
|
x = [0xA4, 0xA2, 0xA4, 0xEC].pack('C4').force_encoding('utf-8')
|
|
result.should == x.force_encoding("euc-jp")
|
|
result.encoding.should equal(Encoding::EUC_JP)
|
|
end
|
|
|
|
describe "when the String encoding is equal to the destination encoding" do
|
|
it "returns the original String" do
|
|
a = "abc".force_encoding("us-ascii")
|
|
@s.rb_str_conv_enc_opts(a, Encoding::US_ASCII,
|
|
Encoding::US_ASCII, 0, nil).should equal(a)
|
|
end
|
|
|
|
it "returns the original String if the destination encoding is ASCII compatible and the String has no high bits set" do
|
|
a = "abc".encode("us-ascii")
|
|
@s.rb_str_conv_enc_opts(a, Encoding::UTF_8,
|
|
Encoding::US_ASCII, 0, nil).should equal(a)
|
|
end
|
|
|
|
it "returns the origin String if the destination encoding is BINARY" do
|
|
a = "abc".force_encoding("binary")
|
|
@s.rb_str_conv_enc_opts(a, Encoding::US_ASCII,
|
|
Encoding::BINARY, 0, nil).should equal(a)
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "rb_str_export" do
|
|
it "returns the original String with the external encoding" do
|
|
Encoding.default_external = Encoding::ISO_8859_1
|
|
s = @s.rb_str_export("Hëllo")
|
|
s.encoding.should equal(Encoding::ISO_8859_1)
|
|
end
|
|
end
|
|
|
|
describe "rb_str_export_locale" do
|
|
it "returns the original String with the locale encoding" do
|
|
s = @s.rb_str_export_locale("abc")
|
|
s.should == "abc".force_encoding(Encoding.find("locale"))
|
|
s.encoding.should equal(Encoding.find("locale"))
|
|
end
|
|
end
|
|
|
|
describe "rb_str_export_to_enc" do
|
|
it "returns a copy of an ascii string converted to the new encoding" do
|
|
source = "A simple string".encode(Encoding::US_ASCII)
|
|
result = @s.rb_str_export_to_enc(source, Encoding::UTF_8)
|
|
result.should == source.encode(Encoding::UTF_8)
|
|
result.encoding.should == Encoding::UTF_8
|
|
end
|
|
|
|
it "returns the source string if it can not be converted" do
|
|
source = ["00ff"].pack("H*");
|
|
result = @s.rb_str_export_to_enc(source, Encoding::UTF_8)
|
|
result.should equal(source)
|
|
end
|
|
|
|
it "does not alter the source string if it can not be converted" do
|
|
source = ["00ff"].pack("H*");
|
|
result = @s.rb_str_export_to_enc(source, Encoding::UTF_8)
|
|
source.bytes.should == [0, 255]
|
|
end
|
|
end
|
|
|
|
describe "rb_sprintf" do
|
|
it "replaces the parts like sprintf" do
|
|
@s.rb_sprintf1("Awesome %s is replaced", "string").should == "Awesome string is replaced"
|
|
@s.rb_sprintf1("%s", "TestFoobarTest").should == "TestFoobarTest"
|
|
end
|
|
|
|
it "accepts multiple arguments" do
|
|
s = "Awesome %s is here with %s"
|
|
@s.rb_sprintf2(s, "string", "content").should == "Awesome string is here with content"
|
|
end
|
|
|
|
it "formats a string VALUE using to_s if sign not specified in format" do
|
|
s = 'Result: A string.'
|
|
@s.rb_sprintf3(CApiStringSpecs::ToSOrInspect.new).should == s
|
|
end
|
|
|
|
it "formats a string VALUE using inspect if sign specified in format" do
|
|
s = 'Result: A different string.'
|
|
@s.rb_sprintf4(CApiStringSpecs::ToSOrInspect.new).should == s
|
|
end
|
|
|
|
it "formats a TrueClass VALUE as `TrueClass` if sign not specified in format" do
|
|
s = 'Result: TrueClass.'
|
|
@s.rb_sprintf3(true.class).should == s
|
|
end
|
|
|
|
it "formats a TrueClass VALUE as 'true' if sign specified in format" do
|
|
s = 'Result: true.'
|
|
@s.rb_sprintf4(true.class).should == s
|
|
end
|
|
|
|
it "truncates a string to a supplied precision if that is shorter than the string" do
|
|
s = 'Result: Hel.'
|
|
@s.rb_sprintf5(0, 3, "Hello").should == s
|
|
end
|
|
|
|
it "does not truncates a string to a supplied precision if that is longer than the string" do
|
|
s = 'Result: Hello.'
|
|
@s.rb_sprintf5(0, 8, "Hello").should == s
|
|
end
|
|
|
|
it "pads a string to a supplied width if that is longer than the string" do
|
|
s = 'Result: Hello.'
|
|
@s.rb_sprintf5(8, 5, "Hello").should == s
|
|
end
|
|
|
|
it "truncates a VALUE string to a supplied precision if that is shorter than the VALUE string" do
|
|
s = 'Result: Hel.'
|
|
@s.rb_sprintf6(0, 3, "Hello").should == s
|
|
end
|
|
|
|
it "does not truncates a VALUE string to a supplied precision if that is longer than the VALUE string" do
|
|
s = 'Result: Hello.'
|
|
@s.rb_sprintf6(0, 8, "Hello").should == s
|
|
end
|
|
|
|
it "pads a VALUE string to a supplied width if that is longer than the VALUE string" do
|
|
s = 'Result: Hello.'
|
|
@s.rb_sprintf6(8, 5, "Hello").should == s
|
|
end
|
|
|
|
it "can format a nil VALUE as a pointer and gives the same output as sprintf in C" do
|
|
res = @s.rb_sprintf7("%p", nil);
|
|
res[0].should == res[1]
|
|
end
|
|
|
|
it "can format a string VALUE as a pointer and gives the same output as sprintf in C" do
|
|
res = @s.rb_sprintf7("%p", "Hello")
|
|
res[0].should == res[1]
|
|
end
|
|
|
|
it "can format a raw number a pointer and gives the same output as sprintf in C" do
|
|
res = @s.rb_sprintf7("%p", 0x223643);
|
|
res[0].should == res[1]
|
|
end
|
|
end
|
|
|
|
describe "rb_vsprintf" do
|
|
it "returns a formatted String from a variable number of arguments" do
|
|
s = @s.rb_vsprintf("%s, %d, %.2f", "abc", 42, 2.7);
|
|
s.should == "abc, 42, 2.70"
|
|
end
|
|
end
|
|
|
|
describe "rb_String" do
|
|
it "returns the passed argument if it is a string" do
|
|
@s.rb_String("a").should == "a"
|
|
end
|
|
|
|
it "tries to convert the passed argument to a string by calling #to_str first" do
|
|
@s.rb_String(CApiStringSpecs::ValidTostrTest.new).should == "ruby"
|
|
end
|
|
|
|
it "raises a TypeError if #to_str does not return a string" do
|
|
-> { @s.rb_String(CApiStringSpecs::InvalidTostrTest.new) }.should raise_error(TypeError)
|
|
end
|
|
|
|
it "tries to convert the passed argument to a string by calling #to_s" do
|
|
@s.rb_String({"bar" => "foo"}).should == '{"bar"=>"foo"}'
|
|
end
|
|
end
|
|
|
|
describe "rb_string_value_cstr" do
|
|
it "returns a non-null pointer for a simple string" do
|
|
@s.rb_string_value_cstr("Hello").should == true
|
|
end
|
|
|
|
it "returns a non-null pointer for a UTF-16 string" do
|
|
@s.rb_string_value_cstr("Hello".encode('UTF-16BE')).should == true
|
|
end
|
|
|
|
it "raises an error if a string contains a null" do
|
|
-> { @s.rb_string_value_cstr("Hello\0 with a null.") }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
it "raises an error if a UTF-16 string contains a null" do
|
|
-> { @s.rb_string_value_cstr("Hello\0 with a null.".encode('UTF-16BE')) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
end
|
|
|
|
describe "rb_str_drop_bytes" do
|
|
it "drops N characters for an ASCII string" do
|
|
str = "12345678".encode("US-ASCII")
|
|
@s.rb_str_drop_bytes(str, 4)
|
|
str.should == "5678".encode("US-ASCII")
|
|
end
|
|
|
|
it "drop N/2 characters for a UTF-16 string" do
|
|
str = "12345678".encode("UTF-16LE")
|
|
@s.rb_str_drop_bytes(str, 4)
|
|
str.should == "345678".encode("UTF-16LE")
|
|
end
|
|
|
|
it "drop N/4 characters for a UTF-32 string" do
|
|
str = "12345678".encode("UTF-32LE")
|
|
@s.rb_str_drop_bytes(str, 4)
|
|
str.should == "2345678".encode("UTF-32LE")
|
|
end
|
|
end
|
|
|
|
describe "rb_utf8_str_new_static" do
|
|
it "returns a UTF-8 string of the correct characters and length" do
|
|
str = @s.rb_utf8_str_new_static
|
|
str.should == "nokogiri"
|
|
str.encoding.should == Encoding::UTF_8
|
|
end
|
|
end
|
|
|
|
describe "rb_utf8_str_new" do
|
|
it "returns a UTF-8 string of the correct characters and length" do
|
|
str = @s.rb_utf8_str_new
|
|
str.should == "nokogiri"
|
|
str.encoding.should == Encoding::UTF_8
|
|
end
|
|
end
|
|
|
|
describe "rb_utf8_str_new_cstr" do
|
|
it "returns a UTF-8 string of the correct characters and length" do
|
|
str = @s.rb_utf8_str_new_cstr
|
|
str.should == "nokogiri"
|
|
str.encoding.should == Encoding::UTF_8
|
|
end
|
|
end
|
|
|
|
describe "rb_str_vcatf" do
|
|
it "appends the message to the string" do
|
|
@s.rb_str_vcatf("").should == "fmt 42 7 number"
|
|
|
|
str = "test "
|
|
@s.rb_str_vcatf(str)
|
|
str.should == "test fmt 42 7 number"
|
|
end
|
|
end
|
|
|
|
describe "rb_str_catf" do
|
|
it "appends the message to the string" do
|
|
@s.rb_str_catf("").should == "fmt 41 6 number"
|
|
|
|
str = "test "
|
|
@s.rb_str_catf(str)
|
|
str.should == "test fmt 41 6 number"
|
|
end
|
|
end
|
|
|
|
describe "rb_str_locktmp" do
|
|
it "raises an error when trying to lock an already locked string" do
|
|
str = "test"
|
|
@s.rb_str_locktmp(str).should == str
|
|
-> { @s.rb_str_locktmp(str) }.should raise_error(RuntimeError, 'temporal locking already locked string')
|
|
end
|
|
|
|
it "locks a string so that modifications would raise an error" do
|
|
str = "test"
|
|
@s.rb_str_locktmp(str).should == str
|
|
-> { str.upcase! }.should raise_error(RuntimeError, 'can\'t modify string; temporarily locked')
|
|
end
|
|
end
|
|
|
|
describe "rb_str_unlocktmp" do
|
|
it "unlocks a locked string" do
|
|
str = "test"
|
|
@s.rb_str_locktmp(str)
|
|
@s.rb_str_unlocktmp(str).should == str
|
|
str.upcase!.should == "TEST"
|
|
end
|
|
|
|
it "raises an error when trying to unlock an already unlocked string" do
|
|
-> { @s.rb_str_unlocktmp("test") }.should raise_error(RuntimeError, 'temporal unlocking already unlocked string')
|
|
end
|
|
end
|
|
end
|