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Size: 1022 Bytes
Versions: 52
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "String.try_convert" do
ruby_version_is "1.9" do
it "returns self for strings" do
x = "abc"
String.try_convert(x).should equal(x)
end
it "converts using :to_str" do
str = "hello"
obj = mock('stringlike')
obj.should_receive(:to_str).and_return(str)
String.try_convert(obj).should equal(str)
end
it "returns nil when there is no :to_str" do
String.try_convert(-1).should be_nil
end
it "does not rescue exceptions" do
obj = mock("to_str raises")
obj.should_receive(:to_str).and_raise(RuntimeError)
lambda{ String.try_convert obj }.should raise_error(RuntimeError)
end
it "checks the result of the conversion" do
obj = mock('to_str invaled')
obj.should_receive(:to_str).and_return(:invalid_to_str)
lambda{ String.try_convert obj }.should raise_error(TypeError)
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems