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describe :string_times, shared: true do
class MyString < String; end
it "returns a new string containing count copies of self" do
@object.call("cool", 0).should == ""
@object.call("cool", 1).should == "cool"
@object.call("cool", 3).should == "coolcoolcool"
end
it "tries to convert the given argument to an integer using to_int" do
@object.call("cool", 3.1).should == "coolcoolcool"
@object.call("a", 3.999).should == "aaa"
a = mock('4')
a.should_receive(:to_int).and_return(4)
@object.call("a", a).should == "aaaa"
end
it "raises an ArgumentError when given integer is negative" do
-> { @object.call("cool", -3) }.should raise_error(ArgumentError)
-> { @object.call("cool", -3.14) }.should raise_error(ArgumentError)
-> { @object.call("cool", min_long) }.should raise_error(ArgumentError)
end
it "raises a RangeError when given integer is a Bignum" do
-> { @object.call("cool", 999999999999999999999) }.should raise_error(RangeError)
-> { @object.call("", 999999999999999999999) }.should raise_error(RangeError)
end
it "works with huge long values when string is empty" do
@object.call("", max_long).should == ""
end
it "returns String instances" do
@object.call(MyString.new("cool"), 0).should be_an_instance_of(String)
@object.call(MyString.new("cool"), 1).should be_an_instance_of(String)
@object.call(MyString.new("cool"), 2).should be_an_instance_of(String)
end
it "returns a String in the same encoding as self" do
str = "\xE3\x81\x82".force_encoding Encoding::UTF_8
result = @object.call(str, 2)
result.encoding.should equal(Encoding::UTF_8)
end
platform_is wordsize: 32 do
it "raises an ArgumentError if the length of the resulting string doesn't fit into a long" do
-> { @object.call("abc", (2 ** 31) - 1) }.should raise_error(ArgumentError)
end
end
platform_is wordsize: 64 do
it "raises an ArgumentError if the length of the resulting string doesn't fit into a long" do
-> { @object.call("abc", (2 ** 63) - 1) }.should raise_error(ArgumentError)
end
end
end
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