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Diffstat (limited to 'spec/ruby/core/string/shared/replace.rb')
-rw-r--r-- | spec/ruby/core/string/shared/replace.rb | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/spec/ruby/core/string/shared/replace.rb b/spec/ruby/core/string/shared/replace.rb new file mode 100644 index 0000000000..9f5446fbbe --- /dev/null +++ b/spec/ruby/core/string/shared/replace.rb @@ -0,0 +1,75 @@ +describe :string_replace, shared: true do + it "returns self" do + a = "a" + a.send(@method, "b").should equal(a) + end + + it "replaces the content of self with other" do + a = "some string" + a.send(@method, "another string") + a.should == "another string" + end + + it "taints self if other is tainted" do + a = "" + b = "".taint + a.send(@method, b) + a.tainted?.should == true + end + + it "does not untaint self if other is untainted" do + a = "".taint + b = "" + a.send(@method, b) + a.tainted?.should == true + end + + it "untrusts self if other is untrusted" do + a = "" + b = "".untrust + a.send(@method, b) + a.untrusted?.should == true + end + + it "does not trust self if other is trusted" do + a = "".untrust + b = "" + a.send(@method, b) + a.untrusted?.should == true + end + + it "replaces the encoding of self with that of other" do + a = "".encode("UTF-16LE") + b = "".encode("UTF-8") + a.send(@method, b) + a.encoding.should == Encoding::UTF_8 + end + + it "carries over the encoding invalidity" do + a = "\u{8765}".force_encoding('ascii') + "".send(@method, a).valid_encoding?.should be_false + end + + it "tries to convert other to string using to_str" do + other = mock('x') + other.should_receive(:to_str).and_return("converted to a string") + "hello".send(@method, other).should == "converted to a string" + end + + it "raises a TypeError if other can't be converted to string" do + lambda { "hello".send(@method, 123) }.should raise_error(TypeError) + lambda { "hello".send(@method, []) }.should raise_error(TypeError) + lambda { "hello".send(@method, mock('x')) }.should raise_error(TypeError) + end + + it "raises a RuntimeError on a frozen instance that is modified" do + a = "hello".freeze + lambda { a.send(@method, "world") }.should raise_error(RuntimeError) + end + + # see [ruby-core:23666] + it "raises a RuntimeError on a frozen instance when self-replacing" do + a = "hello".freeze + lambda { a.send(@method, a) }.should raise_error(RuntimeError) + end +end |