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ruby--ruby/spec/ruby/core/string/rjust_spec.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

118 lines
4.2 KiB
Ruby

# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "String#rjust with length, padding" do
it "returns a new string of specified length with self right justified and padded with padstr" do
"hello".rjust(20, '1234').should == "123412341234123hello"
"".rjust(1, "abcd").should == "a"
"".rjust(2, "abcd").should == "ab"
"".rjust(3, "abcd").should == "abc"
"".rjust(4, "abcd").should == "abcd"
"".rjust(6, "abcd").should == "abcdab"
"OK".rjust(3, "abcd").should == "aOK"
"OK".rjust(4, "abcd").should == "abOK"
"OK".rjust(6, "abcd").should == "abcdOK"
"OK".rjust(8, "abcd").should == "abcdabOK"
end
it "pads with whitespace if no padstr is given" do
"hello".rjust(20).should == " hello"
end
it "returns self if it's longer than or as long as the specified length" do
"".rjust(0).should == ""
"".rjust(-1).should == ""
"hello".rjust(4).should == "hello"
"hello".rjust(-1).should == "hello"
"this".rjust(3).should == "this"
"radiology".rjust(8, '-').should == "radiology"
end
ruby_version_is ''...'2.7' do
it "taints result when self or padstr is tainted" do
"x".taint.rjust(4).tainted?.should == true
"x".taint.rjust(0).tainted?.should == true
"".taint.rjust(0).tainted?.should == true
"x".taint.rjust(4, "*").tainted?.should == true
"x".rjust(4, "*".taint).tainted?.should == true
end
end
it "tries to convert length to an integer using to_int" do
"^".rjust(3.8, "^_").should == "^_^"
obj = mock('3')
obj.should_receive(:to_int).and_return(3)
"o".rjust(obj, "o_").should == "o_o"
end
it "raises a TypeError when length can't be converted to an integer" do
-> { "hello".rjust("x") }.should raise_error(TypeError)
-> { "hello".rjust("x", "y") }.should raise_error(TypeError)
-> { "hello".rjust([]) }.should raise_error(TypeError)
-> { "hello".rjust(mock('x')) }.should raise_error(TypeError)
end
it "tries to convert padstr to a string using to_str" do
padstr = mock('123')
padstr.should_receive(:to_str).and_return("123")
"hello".rjust(10, padstr).should == "12312hello"
end
it "raises a TypeError when padstr can't be converted" do
-> { "hello".rjust(20, []) }.should raise_error(TypeError)
-> { "hello".rjust(20, Object.new)}.should raise_error(TypeError)
-> { "hello".rjust(20, mock('x')) }.should raise_error(TypeError)
end
it "raises an ArgumentError when padstr is empty" do
-> { "hello".rjust(10, '') }.should raise_error(ArgumentError)
end
it "returns subclass instances when called on subclasses" do
StringSpecs::MyString.new("").rjust(10).should be_an_instance_of(StringSpecs::MyString)
StringSpecs::MyString.new("foo").rjust(10).should be_an_instance_of(StringSpecs::MyString)
StringSpecs::MyString.new("foo").rjust(10, StringSpecs::MyString.new("x")).should be_an_instance_of(StringSpecs::MyString)
"".rjust(10, StringSpecs::MyString.new("x")).should be_an_instance_of(String)
"foo".rjust(10, StringSpecs::MyString.new("x")).should be_an_instance_of(String)
end
ruby_version_is ''...'2.7' do
it "when padding is tainted and self is untainted returns a tainted string if and only if length is longer than self" do
"hello".rjust(4, 'X'.taint).tainted?.should be_false
"hello".rjust(5, 'X'.taint).tainted?.should be_false
"hello".rjust(6, 'X'.taint).tainted?.should be_true
end
end
describe "with width" do
it "returns a String in the same encoding as the original" do
str = "abc".force_encoding Encoding::IBM437
result = str.rjust 5
result.should == " abc"
result.encoding.should equal(Encoding::IBM437)
end
end
describe "with width, pattern" do
it "returns a String in the compatible encoding" do
str = "abc".force_encoding Encoding::IBM437
result = str.rjust 5, ""
result.should == "ああabc"
result.encoding.should equal(Encoding::UTF_8)
end
it "raises an Encoding::CompatibilityError if the encodings are incompatible" do
pat = "".encode Encoding::EUC_JP
-> do
"あれ".rjust 5, pat
end.should raise_error(Encoding::CompatibilityError)
end
end
end