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34 lines
784 B
Ruby
34 lines
784 B
Ruby
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require_relative '../../spec_helper'
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ruby_version_is "3.0" do
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describe "Hash#except" do
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before :each do
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@hash = { a: 1, b: 2, c: 3 }
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end
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it "returns a new duplicate hash without arguments" do
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ret = @hash.except
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ret.should_not equal(@hash)
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ret.should == @hash
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end
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it "returns a hash without the requested subset" do
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@hash.except(:c, :a).should == { b: 2 }
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end
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it "ignores keys not present in the original hash" do
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@hash.except(:a, :chunky_bacon).should == { b: 2, c: 3 }
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end
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it "returns an instance of a subclass" do
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klass = Class.new(Hash)
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h = klass.new
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h[:bar] = 12
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h[:foo] = 42
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r = h.except(:foo)
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r.should == {bar: 12}
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r.class.should == klass
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end
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end
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end
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