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require_relative '../../../spec_helper'
require_relative '../fixtures/classes'
describe :hash_index, shared: true do
it "returns the corresponding key for value" do
suppress_warning do # for Hash#index
{ 2 => 'a', 1 => 'b' }.send(@method, 'b').should == 1
end
end
it "returns nil if the value is not found" do
suppress_warning do # for Hash#index
{ a: -1, b: 3.14, c: 2.718 }.send(@method, 1).should be_nil
end
end
it "doesn't return default value if the value is not found" do
suppress_warning do # for Hash#index
Hash.new(5).send(@method, 5).should be_nil
end
end
it "compares values using ==" do
suppress_warning do # for Hash#index
{ 1 => 0 }.send(@method, 0.0).should == 1
{ 1 => 0.0 }.send(@method, 0).should == 1
end
needle = mock('needle')
inhash = mock('inhash')
inhash.should_receive(:==).with(needle).and_return(true)
suppress_warning do # for Hash#index
{ 1 => inhash }.send(@method, needle).should == 1
end
end
end
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