class TestExpression
Constants
- E
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Public Instance Methods
test_encode()
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# File tests/expression.rb, line 12 def test_encode assert_equal("\x04\0\0\0", E[4].encode(:u32, :little).data) end
test_numeric()
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# File tests/expression.rb, line 16 def test_numeric assert_equal(5, E[4, :+, 1].reduce) end
test_pattern()
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# File tests/expression.rb, line 45 def test_pattern pat = E[:a, :+, [:b, :&, 0xffff]].match(E['a', :|, 'b'], 'a', 'b') assert_equal(false, pat) pat = E[:a, :+, [:b, :&, 0xffff]].match(E['a', :+, 'b'], 'a', 'b') assert_equal(:a, pat['a']) p2 = pat['b'].match(E[:a, :b, :c], :a, :b, :c) assert_equal(0xffff, p2[:c]) assert_equal(:&, p2[:b]) end
test_reduce()
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# File tests/expression.rb, line 20 def test_reduce assert_equal(0, E[:a, :-, :a].reduce) assert_equal(0, E[:a, :^, :a].reduce) assert_equal(E[:a, :^, 3], E[[1, :^, :a], :^, 2].reduce) assert_equal(E[:a], E[[:b, :^, :a], :^, :b].reduce) assert_equal(E[:a, :+, 2], E[:b, :+, [:a, :-, [4, :+, [:b, :-, 6]]]].reduce) assert_equal(E[:a, :&, 0xff00], E[[[:a, :>>, 8], :&, 0xff], :<<, 8].reduce) assert_equal(E[[:a, :>>, 1], :&, 0xff0], E[[[:a, :>>, 5], :&, 0xff], :<<, 4].reduce) assert_equal(0, E[[:a, :&, 0xff00], :&, [:b, :&, 0xff]].reduce) assert_equal(0, E[[:a, :&, 0xff], :>>, 8].reduce) assert_equal(E[:a, :&, 0xffff], E[[:a, :&, 0x3333], :|, [[:a, :&, 0x8888], :+, [:a, :&, 0x4444]]].reduce) assert_equal(E[:a, :&, 0xff], E[[:a, :|, [:b, :&, 0xff00]], :&, 0xff].reduce) assert_equal(1, E[[2, :>, 1], :'||', [:a, :<=, :b]].reduce) assert_equal(0, E[[:a, :>, :b], :'&&', [1, :>, 2]].reduce) assert_equal(E[:a, :>, :b], E[[:'!', [:a, :<=, :b]], :==, 1].reduce) end