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121 lines
3.8 KiB
Ruby
121 lines
3.8 KiB
Ruby
# -*- encoding: utf-8 -*-
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require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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describe "String#delete" do
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it "returns a new string with the chars from the intersection of sets removed" do
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s = "hello"
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s.delete("lo").should == "he"
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s.should == "hello"
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"hello".delete("l", "lo").should == "heo"
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"hell yeah".delete("").should == "hell yeah"
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end
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it "raises an ArgumentError when given no arguments" do
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-> { "hell yeah".delete }.should raise_error(ArgumentError)
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end
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it "negates sets starting with ^" do
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"hello".delete("aeiou", "^e").should == "hell"
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"hello".delete("^leh").should == "hell"
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"hello".delete("^o").should == "o"
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"hello".delete("^").should == "hello"
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"^_^".delete("^^").should == "^^"
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"oa^_^o".delete("a^").should == "o_o"
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end
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it "deletes all chars in a sequence" do
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"hello".delete("ej-m").should == "ho"
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"hello".delete("e-h").should == "llo"
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"hel-lo".delete("e-").should == "hllo"
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"hel-lo".delete("-h").should == "ello"
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"hel-lo".delete("---").should == "hello"
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"hel-012".delete("--2").should == "hel"
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"hel-()".delete("(--").should == "hel"
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"hello".delete("^e-h").should == "he"
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"hello^".delete("^^-^").should == "^"
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"hel--lo".delete("^---").should == "--"
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"abcdefgh".delete("a-ce-fh").should == "dg"
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"abcdefgh".delete("he-fa-c").should == "dg"
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"abcdefgh".delete("e-fha-c").should == "dg"
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"abcde".delete("ac-e").should == "b"
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"abcde".delete("^ac-e").should == "acde"
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"ABCabc[]".delete("A-a").should == "bc"
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end
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it "deletes multibyte characters" do
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"四月".delete("月").should == "四"
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'哥哥我倒'.delete('哥').should == "我倒"
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end
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it "respects backslash for escaping a -" do
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'Non-Authoritative Information'.delete(' \-\'').should ==
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'NonAuthoritativeInformation'
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end
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it "raises if the given ranges are invalid" do
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not_supported_on :opal do
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xFF = [0xFF].pack('C')
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range = "\x00 - #{xFF}".force_encoding('utf-8')
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-> { "hello".delete(range).should == "" }.should raise_error(ArgumentError)
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end
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-> { "hello".delete("h-e") }.should raise_error(ArgumentError)
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-> { "hello".delete("^h-e") }.should raise_error(ArgumentError)
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end
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ruby_version_is ''...'2.7' do
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it "taints result when self is tainted" do
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"hello".taint.delete("e").tainted?.should == true
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"hello".taint.delete("a-z").tainted?.should == true
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"hello".delete("e".taint).tainted?.should == false
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end
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end
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it "tries to convert each set arg to a string using to_str" do
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other_string = mock('lo')
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other_string.should_receive(:to_str).and_return("lo")
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other_string2 = mock('o')
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other_string2.should_receive(:to_str).and_return("o")
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"hello world".delete(other_string, other_string2).should == "hell wrld"
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end
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it "raises a TypeError when one set arg can't be converted to a string" do
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-> { "hello world".delete(100) }.should raise_error(TypeError)
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-> { "hello world".delete([]) }.should raise_error(TypeError)
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-> { "hello world".delete(mock('x')) }.should raise_error(TypeError)
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end
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it "returns subclass instances when called on a subclass" do
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StringSpecs::MyString.new("oh no!!!").delete("!").should be_an_instance_of(StringSpecs::MyString)
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end
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end
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describe "String#delete!" do
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it "modifies self in place and returns self" do
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a = "hello"
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a.delete!("aeiou", "^e").should equal(a)
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a.should == "hell"
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end
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it "returns nil if no modifications were made" do
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a = "hello"
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a.delete!("z").should == nil
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a.should == "hello"
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end
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it "raises a FrozenError when self is frozen" do
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a = "hello"
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a.freeze
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-> { a.delete!("") }.should raise_error(FrozenError)
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-> { a.delete!("aeiou", "^e") }.should raise_error(FrozenError)
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end
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end
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