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30 lines
785 B
Ruby
30 lines
785 B
Ruby
# frozen_string_literal: false
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require 'test/unit'
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class TestFrozen < Test::Unit::TestCase
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def test_setting_ivar_on_frozen_obj
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obj = Object.new
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obj.freeze
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assert_raise(FrozenError) { obj.instance_variable_set(:@a, 1) }
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end
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def test_setting_ivar_on_frozen_obj_with_ivars
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obj = Object.new
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obj.instance_variable_set(:@a, 1)
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obj.freeze
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assert_raise(FrozenError) { obj.instance_variable_set(:@b, 1) }
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end
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def test_setting_ivar_on_frozen_string
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str = "str"
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str.freeze
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assert_raise(FrozenError) { str.instance_variable_set(:@a, 1) }
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end
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def test_setting_ivar_on_frozen_string_with_ivars
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str = "str"
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str.instance_variable_set(:@a, 1)
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str.freeze
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assert_raise(FrozenError) { str.instance_variable_set(:@b, 1) }
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end
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end
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