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61 lines
1.6 KiB
Ruby
61 lines
1.6 KiB
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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require_relative 'shared/strip'
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describe "String#strip" do
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it_behaves_like :string_strip, :strip
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it "returns a new string with leading and trailing whitespace removed" do
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" hello ".strip.should == "hello"
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" hello world ".strip.should == "hello world"
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"\tgoodbye\r\v\n".strip.should == "goodbye"
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end
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ruby_version_is '3.0' do
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it "returns a copy of self without leading and trailing NULL bytes and whitespace" do
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" \x00 goodbye \x00 ".strip.should == "goodbye"
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end
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end
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end
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describe "String#strip!" do
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it "modifies self in place and returns self" do
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a = " hello "
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a.strip!.should equal(a)
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a.should == "hello"
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a = "\tgoodbye\r\v\n"
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a.strip!
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a.should == "goodbye"
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end
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it "returns nil if no modifications where made" do
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a = "hello"
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a.strip!.should == nil
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a.should == "hello"
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end
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it "makes a string empty if it is only whitespace" do
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"".strip!.should == nil
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" ".strip.should == ""
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" ".strip.should == ""
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end
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ruby_version_is '3.0' do
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it "removes leading and trailing NULL bytes and whitespace" do
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a = "\000 goodbye \000"
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a.strip!
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a.should == "goodbye"
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end
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end
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it "raises a FrozenError on a frozen instance that is modified" do
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-> { " hello ".freeze.strip! }.should raise_error(FrozenError)
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end
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# see #1552
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it "raises a FrozenError on a frozen instance that would not be modified" do
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-> {"hello".freeze.strip! }.should raise_error(FrozenError)
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-> {"".freeze.strip! }.should raise_error(FrozenError)
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end
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end
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