def test_order_rewrite_literal(self):
        # Model the predicate:
        # foo < bar or foo >= bar or foo > zip or foo <= zip
        l = ast.Literal('foo')
        v = ast.Literal('bar')
        v2 = ast.Literal('zip')

        cmp1 = ast.CompareOperator('<', l, v)
        cmp2 = ast.CompareOperator('>=', l, v)
        cmp3 = ast.CompareOperator('>', l, v2)
        cmp4 = ast.CompareOperator('<=', l, v2)
        or1 = ast.LogicalOperator('or', cmp1, cmp2)
        or2 = ast.LogicalOperator('or', cmp3, cmp4)
        or3 = ast.LogicalOperator('or', or1, or2)

        # Rewrite foo < bar as True
        name = merge.node_name(cmp1, True)
        r = compare.order_rewrite(ast.dup(or3), name, cmp1, True)

        assert isinstance(r.left.left, ast.Constant)
        assert r.left.left.value == True
        assert isinstance(r.left.right, ast.Constant)
        assert r.left.right.value == False
        assert ASTPattern(or2).matches(r.right)

        # Rewrite foo < bar as False
        name = merge.node_name(cmp1, True)
        r = compare.order_rewrite(ast.dup(or3), name, cmp1, False)

        assert isinstance(r.left.left, ast.Constant)
        assert r.left.left.value == False
        assert isinstance(r.left.right, ast.Constant)
        assert r.left.right.value == True
        assert ASTPattern(or2).matches(r.right)
Is list property empty.
dataset/ETHPy150Open armon/pypred/tests/unit/test_compare.py/TestCompare.test_order_rewrite_literal--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/db/__init__.py/ListProperty.empty