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37 lines
832 B
Ruby
37 lines
832 B
Ruby
require_relative '../../spec_helper'
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describe "String#clear" do
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before :each do
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@s = "Jolene"
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end
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it "sets self equal to the empty String" do
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@s.clear
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@s.should == ""
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end
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it "returns self after emptying it" do
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cleared = @s.clear
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cleared.should == ""
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cleared.should equal @s
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end
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it "preserves its encoding" do
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@s.encode!(Encoding::SHIFT_JIS)
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@s.encoding.should == Encoding::SHIFT_JIS
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@s.clear.encoding.should == Encoding::SHIFT_JIS
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@s.encoding.should == Encoding::SHIFT_JIS
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end
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it "works with multibyte Strings" do
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s = "\u{9765}\u{876}"
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s.clear
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s.should == ""
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end
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it "raises a FrozenError if self is frozen" do
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@s.freeze
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-> { @s.clear }.should raise_error(FrozenError)
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-> { "".freeze.clear }.should raise_error(FrozenError)
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end
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end
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