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require File.expand_path('../../fixtures/encoded_strings', __FILE__)
describe :array_inspect, :shared => true do
it "returns a string" do
[1, 2, 3].send(@method).should be_an_instance_of(String)
end
it "returns '[]' for an empty Array" do
[].send(@method).should == "[]"
end
it "calls inspect on its elements and joins the results with commas" do
items = Array.new(3) do |i|
obj = mock(i.to_s)
obj.should_receive(:inspect).and_return(i.to_s)
obj
end
items.send(@method).should == "[0, 1, 2]"
end
it "represents a recursive element with '[...]'" do
ArraySpecs.recursive_array.send(@method).should == "[1, \"two\", 3.0, [...], [...], [...], [...], [...]]"
ArraySpecs.head_recursive_array.send(@method).should == "[[...], [...], [...], [...], [...], 1, \"two\", 3.0]"
ArraySpecs.empty_recursive_array.send(@method).should == "[[...]]"
end
it "taints the result if the Array is non-empty and tainted" do
[1, 2].taint.send(@method).tainted?.should be_true
end
it "does not taint the result if the Array is tainted but empty" do
[].taint.send(@method).tainted?.should be_false
end
it "taints the result if an element is tainted" do
["str".taint].send(@method).tainted?.should be_true
end
ruby_version_is "1.9" do
it "untrusts the result if the Array is untrusted" do
[1, 2].untrust.send(@method).untrusted?.should be_true
end
it "does not untrust the result if the Array is untrusted but empty" do
[].untrust.send(@method).untrusted?.should be_false
end
it "untrusts the result if an element is untrusted" do
["str".untrust].send(@method).untrusted?.should be_true
end
end
ruby_version_is "1.9" do
it "returns a US-ASCII string for an empty Array" do
[].send(@method).encoding.should == Encoding::US_ASCII
end
it "copies the ASCII-compatible encoding of the result of inspecting the first element" do
euc_jp = mock("euc_jp")
euc_jp.should_receive(:inspect).and_return("euc_jp".encode!(Encoding::EUC_JP))
utf_8 = mock("utf_8")
utf_8.should_receive(:inspect).and_return("utf_8".encode!(Encoding::UTF_8))
result = [euc_jp, utf_8].send(@method)
result.encoding.should == Encoding::EUC_JP
result.should == "[euc_jp, utf_8]".encode(Encoding::EUC_JP)
end
ruby_version_is "2.0" do
it "raises if inspected result is not default external encoding" do
utf_16be = mock("utf_16be")
utf_16be.should_receive(:inspect).and_return("utf_16be".encode!(Encoding::UTF_16BE))
lambda { [utf_16be].send(@method) }.should raise_error(Encoding::CompatibilityError)
end
end
it "raises if inspecting two elements produces incompatible encodings" do
utf_8 = mock("utf_8")
utf_8.should_receive(:inspect).and_return("utf_8".encode!(Encoding::UTF_8))
utf_16be = mock("utf_16be")
utf_16be.should_receive(:inspect).and_return("utf_16be".encode!(Encoding::UTF_16BE))
lambda { [utf_8, utf_16be].send(@method) }.should raise_error(Encoding::CompatibilityError)
end
end
end
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