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Diffstat (limited to 'spec/rubyspec/core/string/chomp_spec.rb')
-rw-r--r-- | spec/rubyspec/core/string/chomp_spec.rb | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/spec/rubyspec/core/string/chomp_spec.rb b/spec/rubyspec/core/string/chomp_spec.rb deleted file mode 100644 index 5daa8c5a40..0000000000 --- a/spec/rubyspec/core/string/chomp_spec.rb +++ /dev/null @@ -1,387 +0,0 @@ -# -*- encoding: utf-8 -*- -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes.rb', __FILE__) - -describe "String#chomp" do - describe "when passed no argument" do - before do - # Ensure that $/ is set to the default value - @dollar_slash, $/ = $/, "\n" - end - - after do - $/ = @dollar_slash - end - - it "does not modify a String with no trailing carriage return or newline" do - "abc".chomp.should == "abc" - end - - it "returns a copy of the String when it is not modified" do - str = "abc" - str.chomp.should_not equal(str) - end - - it "removes one trailing newline" do - "abc\n\n".chomp.should == "abc\n" - end - - it "removes one trailing carriage return" do - "abc\r\r".chomp.should == "abc\r" - end - - it "removes one trailing carrige return, newline pair" do - "abc\r\n\r\n".chomp.should == "abc\r\n" - end - - it "returns an empty String when self is empty" do - "".chomp.should == "" - end - - it "taints the result if self is tainted" do - "abc".taint.chomp.tainted?.should be_true - end - - it "returns subclass instances when called on a subclass" do - str = StringSpecs::MyString.new("hello\n").chomp - str.should be_an_instance_of(StringSpecs::MyString) - end - - it "removes trailing characters that match $/ when it has been assigned a value" do - $/ = "cdef" - "abcdef".chomp.should == "ab" - end - end - - describe "when passed nil" do - it "does not modify the String" do - "abc\r\n".chomp(nil).should == "abc\r\n" - end - - it "returns a copy of the String" do - str = "abc" - str.chomp(nil).should_not equal(str) - end - - it "taints the result if self is tainted" do - "abc".taint.chomp(nil).tainted?.should be_true - end - - it "returns an empty String when self is empty" do - "".chomp(nil).should == "" - end - end - - describe "when passed ''" do - it "removes a final newline" do - "abc\n".chomp("").should == "abc" - end - - it "removes a final carriage return, newline" do - "abc\r\n".chomp("").should == "abc" - end - - it "does not remove a final carriage return" do - "abc\r".chomp("").should == "abc\r" - end - - it "removes more than one trailing newlines" do - "abc\n\n\n".chomp("").should == "abc" - end - - it "removes more than one trailing carriage return, newline pairs" do - "abc\r\n\r\n\r\n".chomp("").should == "abc" - end - - it "taints the result if self is tainted" do - "abc".taint.chomp("").tainted?.should be_true - end - - it "returns an empty String when self is empty" do - "".chomp("").should == "" - end - end - - describe "when passed '\\n'" do - it "removes one trailing newline" do - "abc\n\n".chomp("\n").should == "abc\n" - end - - it "removes one trailing carriage return" do - "abc\r\r".chomp("\n").should == "abc\r" - end - - it "removes one trailing carrige return, newline pair" do - "abc\r\n\r\n".chomp("\n").should == "abc\r\n" - end - - it "taints the result if self is tainted" do - "abc".taint.chomp("\n").tainted?.should be_true - end - - it "returns an empty String when self is empty" do - "".chomp("\n").should == "" - end - end - - describe "when passed an Object" do - it "calls #to_str to convert to a String" do - arg = mock("string chomp") - arg.should_receive(:to_str).and_return("bc") - "abc".chomp(arg).should == "a" - end - - it "raises a TypeError if #to_str does not return a String" do - arg = mock("string chomp") - arg.should_receive(:to_str).and_return(1) - lambda { "abc".chomp(arg) }.should raise_error(TypeError) - end - end - - describe "when passed a String" do - it "removes the trailing characters if they match the argument" do - "abcabc".chomp("abc").should == "abc" - end - - it "does not modify the String if the argument does not match the trailing characters" do - "abc".chomp("def").should == "abc" - end - - it "returns an empty String when self is empty" do - "".chomp("abc").should == "" - end - - it "taints the result if self is tainted" do - "abc".taint.chomp("abc").tainted?.should be_true - end - - it "does not taint the result when the argument is tainted" do - "abc".chomp("abc".taint).tainted?.should be_false - end - end -end - -describe "String#chomp!" do - describe "when passed no argument" do - before do - # Ensure that $/ is set to the default value - @dollar_slash, $/ = $/, "\n" - end - - after do - $/ = @dollar_slash - end - - it "modifies self" do - str = "abc\n" - str.chomp!.should equal(str) - end - - it "returns nil if self is not modified" do - "abc".chomp!.should be_nil - end - - it "removes one trailing newline" do - "abc\n\n".chomp!.should == "abc\n" - end - - it "removes one trailing carriage return" do - "abc\r\r".chomp!.should == "abc\r" - end - - it "removes one trailing carrige return, newline pair" do - "abc\r\n\r\n".chomp!.should == "abc\r\n" - end - - it "returns nil when self is empty" do - "".chomp!.should be_nil - end - - it "taints the result if self is tainted" do - "abc\n".taint.chomp!.tainted?.should be_true - end - - it "returns subclass instances when called on a subclass" do - str = StringSpecs::MyString.new("hello\n").chomp! - str.should be_an_instance_of(StringSpecs::MyString) - end - - it "removes trailing characters that match $/ when it has been assigned a value" do - $/ = "cdef" - "abcdef".chomp!.should == "ab" - end - end - - describe "when passed nil" do - it "returns nil" do - "abc\r\n".chomp!(nil).should be_nil - end - - it "returns nil when self is empty" do - "".chomp!(nil).should be_nil - end - end - - describe "when passed ''" do - it "removes a final newline" do - "abc\n".chomp!("").should == "abc" - end - - it "removes a final carriage return, newline" do - "abc\r\n".chomp!("").should == "abc" - end - - it "does not remove a final carriage return" do - "abc\r".chomp!("").should be_nil - end - - it "removes more than one trailing newlines" do - "abc\n\n\n".chomp!("").should == "abc" - end - - it "removes more than one trailing carriage return, newline pairs" do - "abc\r\n\r\n\r\n".chomp!("").should == "abc" - end - - it "taints the result if self is tainted" do - "abc\n".taint.chomp!("").tainted?.should be_true - end - - it "returns nil when self is empty" do - "".chomp!("").should be_nil - end - end - - describe "when passed '\\n'" do - it "removes one trailing newline" do - "abc\n\n".chomp!("\n").should == "abc\n" - end - - it "removes one trailing carriage return" do - "abc\r\r".chomp!("\n").should == "abc\r" - end - - it "removes one trailing carrige return, newline pair" do - "abc\r\n\r\n".chomp!("\n").should == "abc\r\n" - end - - it "taints the result if self is tainted" do - "abc\n".taint.chomp!("\n").tainted?.should be_true - end - - it "returns nil when self is empty" do - "".chomp!("\n").should be_nil - end - end - - describe "when passed an Object" do - it "calls #to_str to convert to a String" do - arg = mock("string chomp") - arg.should_receive(:to_str).and_return("bc") - "abc".chomp!(arg).should == "a" - end - - it "raises a TypeError if #to_str does not return a String" do - arg = mock("string chomp") - arg.should_receive(:to_str).and_return(1) - lambda { "abc".chomp!(arg) }.should raise_error(TypeError) - end - end - - describe "when passed a String" do - it "removes the trailing characters if they match the argument" do - "abcabc".chomp!("abc").should == "abc" - end - - it "returns nil if the argument does not match the trailing characters" do - "abc".chomp!("def").should be_nil - end - - it "returns nil when self is empty" do - "".chomp!("abc").should be_nil - end - - it "taints the result if self is tainted" do - "abc".taint.chomp!("abc").tainted?.should be_true - end - - it "does not taint the result when the argument is tainted" do - "abc".chomp!("abc".taint).tainted?.should be_false - end - end - - it "raises a RuntimeError on a frozen instance when it is modified" do - a = "string\n\r" - a.freeze - - lambda { a.chomp! }.should raise_error(RuntimeError) - end - - # see [ruby-core:23666] - it "raises a RuntimeError on a frozen instance when it would not be modified" do - a = "string\n\r" - a.freeze - lambda { a.chomp!(nil) }.should raise_error(RuntimeError) - lambda { a.chomp!("x") }.should raise_error(RuntimeError) - end -end - -with_feature :encoding do - describe "String#chomp" do - before :each do - @before_separator = $/ - end - - after :each do - $/ = @before_separator - end - - it "does not modify a multi-byte character" do - "あれ".chomp.should == "あれ" - end - - it "removes the final carriage return, newline from a multibyte String" do - "あれ\r\n".chomp.should == "あれ" - end - - it "removes the final carriage return, newline from a non-ASCII String" do - str = "abc\r\n".encode "utf-32be" - str.chomp.should == "abc".encode("utf-32be") - end - - it "removes the final carriage return, newline from a non-ASCII String when the record separator is changed" do - $/ = "\n".encode("utf-8") - str = "abc\r\n".encode "utf-32be" - str.chomp.should == "abc".encode("utf-32be") - end - end - - describe "String#chomp!" do - before :each do - @before_separator = $/ - end - - after :each do - $/ = @before_separator - end - - it "returns nil when the String is not modified" do - "あれ".chomp!.should be_nil - end - - it "removes the final carriage return, newline from a multibyte String" do - "あれ\r\n".chomp!.should == "あれ" - end - - it "removes the final carriage return, newline from a non-ASCII String" do - str = "abc\r\n".encode "utf-32be" - str.chomp!.should == "abc".encode("utf-32be") - end - - it "removes the final carriage return, newline from a non-ASCII String when the record separator is changed" do - $/ = "\n".encode("utf-8") - str = "abc\r\n".encode "utf-32be" - str.chomp!.should == "abc".encode("utf-32be") - end - end -end |