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76 lines
2 KiB
Ruby
76 lines
2 KiB
Ruby
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describe :string_replace, shared: true do
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it "returns self" do
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a = "a"
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a.send(@method, "b").should equal(a)
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end
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it "replaces the content of self with other" do
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a = "some string"
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a.send(@method, "another string")
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a.should == "another string"
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end
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it "taints self if other is tainted" do
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a = ""
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b = "".taint
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a.send(@method, b)
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a.tainted?.should == true
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end
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it "does not untaint self if other is untainted" do
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a = "".taint
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b = ""
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a.send(@method, b)
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a.tainted?.should == true
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end
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it "untrusts self if other is untrusted" do
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a = ""
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b = "".untrust
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a.send(@method, b)
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a.untrusted?.should == true
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end
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it "does not trust self if other is trusted" do
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a = "".untrust
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b = ""
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a.send(@method, b)
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a.untrusted?.should == true
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end
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it "replaces the encoding of self with that of other" do
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a = "".encode("UTF-16LE")
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b = "".encode("UTF-8")
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a.send(@method, b)
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a.encoding.should == Encoding::UTF_8
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end
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it "carries over the encoding invalidity" do
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a = "\u{8765}".force_encoding('ascii')
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"".send(@method, a).valid_encoding?.should be_false
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end
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it "tries to convert other to string using to_str" do
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other = mock('x')
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other.should_receive(:to_str).and_return("converted to a string")
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"hello".send(@method, other).should == "converted to a string"
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end
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it "raises a TypeError if other can't be converted to string" do
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lambda { "hello".send(@method, 123) }.should raise_error(TypeError)
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lambda { "hello".send(@method, []) }.should raise_error(TypeError)
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lambda { "hello".send(@method, mock('x')) }.should raise_error(TypeError)
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end
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it "raises a RuntimeError on a frozen instance that is modified" do
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a = "hello".freeze
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lambda { a.send(@method, "world") }.should raise_error(RuntimeError)
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end
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# see [ruby-core:23666]
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it "raises a RuntimeError on a frozen instance when self-replacing" do
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a = "hello".freeze
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lambda { a.send(@method, a) }.should raise_error(RuntimeError)
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end
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end
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