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c0c2b31a35
Implements [Feature #18273] Returns an array containing the receiver's direct subclasses without singleton classes.
38 lines
1,002 B
Ruby
38 lines
1,002 B
Ruby
require_relative '../../spec_helper'
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require_relative '../module/fixtures/classes'
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ruby_version_is '3.1' do
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describe "Class#subclasses" do
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it "returns a list of classes directly inheriting from self" do
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assert_subclasses(ModuleSpecs::Parent, [ModuleSpecs::Child, ModuleSpecs::Child2])
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end
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it "does not return included modules" do
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parent = Class.new
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child = Class.new(parent)
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mod = Module.new
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parent.include(mod)
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assert_subclasses(parent, [child])
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end
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it "does not return singleton classes" do
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a = Class.new
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a_obj = a.new
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def a_obj.force_singleton_class
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42
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end
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a.subclasses.should_not include(a_obj.singleton_class)
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end
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it "has 1 entry per module or class" do
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ModuleSpecs::Parent.subclasses.should == ModuleSpecs::Parent.subclasses.uniq
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end
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def assert_subclasses(mod,subclasses)
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mod.subclasses.sort_by(&:inspect).should == subclasses.sort_by(&:inspect)
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end
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end
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end
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