/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.flex.compiler.internal.codegen.as;
import org.apache.flex.compiler.internal.test.ASTestBase;
import org.apache.flex.compiler.internal.tree.as.ArrayLiteralNode;
import org.apache.flex.compiler.internal.tree.as.ObjectLiteralNode;
import org.apache.flex.compiler.tree.as.IBinaryOperatorNode;
import org.apache.flex.compiler.tree.as.IDynamicAccessNode;
import org.apache.flex.compiler.tree.as.IFunctionCallNode;
import org.apache.flex.compiler.tree.as.IIterationFlowNode;
import org.apache.flex.compiler.tree.as.IMemberAccessExpressionNode;
import org.apache.flex.compiler.tree.as.INamespaceAccessExpressionNode;
import org.apache.flex.compiler.tree.as.IReturnNode;
import org.apache.flex.compiler.tree.as.ITernaryOperatorNode;
import org.apache.flex.compiler.tree.as.IUnaryOperatorNode;
import org.apache.flex.compiler.tree.as.IVariableNode;
import org.junit.Test;
/**
* @author Michael Schmalle
*/
public class TestExpressions extends ASTestBase
{
@Test
public void testVisitLanguageIdentifierNode_This()
{
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getNode(
"if (a) this.a;", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("this.a");
}
@Test
public void testVisitLanguageIdentifierNode_SuperMember()
{
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getNode(
"if (a) super.foo;", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("super.foo");
}
@Test
public void testVisitLanguageIdentifierNode_SuperMethod_1()
{
// NOTE: This is here as an example that a method call to super
// is always held within a IFunctionCallNode, here it's a plain member access
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getNode(
"if (a) super.foo();", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("super.foo");
}
@Test
public void testVisitLanguageIdentifierNode_SuperMethod_2()
{
IFunctionCallNode node = (IFunctionCallNode) getNode(
"if (a) super.foo(a, b, c);", IFunctionCallNode.class);
asBlockWalker.visitFunctionCall(node);
assertOut("super.foo(a, b, c)");
}
@Test
public void testVisitLanguageIdentifierNode_This1()
{
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getNode(
"if (a) this.a;", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("this.a");
}
@Test
public void testVisitLanguageIdentifierNode_This2()
{
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getNode(
"if (a) this.a;", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("this.a");
}
//----------------------------------
// Primary expression keywords
//----------------------------------
//----------------------------------
// Arithmetic
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_Plus()
{
IBinaryOperatorNode node = getBinaryNode("a + b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a + b");
}
@Test
public void testVisitBinaryOperatorNode_Minus()
{
IBinaryOperatorNode node = getBinaryNode("a - b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a - b");
}
@Test
public void testVisitBinaryOperatorNode_Divide()
{
IBinaryOperatorNode node = getBinaryNode("a / b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a / b");
}
@Test
public void testVisitBinaryOperatorNode_Modulo()
{
IBinaryOperatorNode node = getBinaryNode("a % b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a % b");
}
@Test
public void testVisitBinaryOperatorNode_Multiply()
{
IBinaryOperatorNode node = getBinaryNode("a * b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a * b");
}
@Test
public void testVisitUnaryOperatorNode_PostIncrement()
{
IUnaryOperatorNode node = getUnaryNode("a++");
asBlockWalker.visitUnaryOperator(node);
assertOut("a++");
}
@Test
public void testVisitUnaryOperatorNode_PreIncrement()
{
IUnaryOperatorNode node = getUnaryNode("++a");
asBlockWalker.visitUnaryOperator(node);
assertOut("++a");
}
@Test
public void testVisitUnaryOperatorNode_PostDecrement()
{
IUnaryOperatorNode node = getUnaryNode("a--");
asBlockWalker.visitUnaryOperator(node);
assertOut("a--");
}
@Test
public void testVisitUnaryOperatorNode_PreDecrement()
{
IUnaryOperatorNode node = getUnaryNode("--a");
asBlockWalker.visitUnaryOperator(node);
assertOut("--a");
}
//----------------------------------
// Arithmetic compound assignment
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_PlusAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a += b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a += b");
}
@Test
public void testVisitBinaryOperatorNode_MinusAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a -= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a -= b");
}
@Test
public void testVisitBinaryOperatorNode_DivideAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a /= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a /= b");
}
@Test
public void testVisitBinaryOperatorNode_ModuloAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a %= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a %= b");
}
@Test
public void testVisitBinaryOperatorNode_MultiplyAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a *= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a *= b");
}
//----------------------------------
// Assignment
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_Assignment()
{
IBinaryOperatorNode node = getBinaryNode("a = b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a = b");
}
//----------------------------------
// Bitwise
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_BitwiseAnd()
{
IBinaryOperatorNode node = getBinaryNode("a & b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a & b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseLeftShift()
{
IBinaryOperatorNode node = getBinaryNode("a << b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a << b");
}
@Test
public void testVisitUnaryOperatorNode_BitwiseNot()
{
IUnaryOperatorNode node = getUnaryNode("~a");
asBlockWalker.visitUnaryOperator(node);
assertOut("~a");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseOr()
{
IBinaryOperatorNode node = getBinaryNode("a | b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a | b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseRightShift()
{
IBinaryOperatorNode node = getBinaryNode("a >> b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a >> b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseUnsignedRightShift()
{
IBinaryOperatorNode node = getBinaryNode("a >>> b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a >>> b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseXOR()
{
IBinaryOperatorNode node = getBinaryNode("a ^ b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a ^ b");
}
//----------------------------------
// Bitwise compound assignment
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_BitwiseAndAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a &= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a &= b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseLeftShiftAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a <<= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a <<= b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseOrAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a |= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a |= b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseRightShiftAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a >>= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a >>= b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseUnsignedRightShiftAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a >>>= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a >>>= b");
}
@Test
public void testVisitBinaryOperatorNode_BitwiseXORAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a ^= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a ^= b");
}
//----------------------------------
// Comparison
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_Equal()
{
IBinaryOperatorNode node = getBinaryNode("a == b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a == b");
}
@Test
public void testVisitBinaryOperatorNode_GreaterThan()
{
IBinaryOperatorNode node = getBinaryNode("a > b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a > b");
}
@Test
public void testVisitBinaryOperatorNode_GreaterThanEqual()
{
IBinaryOperatorNode node = getBinaryNode("a >= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a >= b");
}
@Test
public void testVisitBinaryOperatorNode_NotEqual()
{
IBinaryOperatorNode node = getBinaryNode("a != b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a != b");
}
@Test
public void testVisitBinaryOperatorNode_LessThan()
{
IBinaryOperatorNode node = getBinaryNode("a < b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a < b");
}
@Test
public void testVisitBinaryOperatorNode_LessThanEqual()
{
IBinaryOperatorNode node = getBinaryNode("a <= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a <= b");
}
@Test
public void testVisitBinaryOperatorNode_StrictEqual()
{
IBinaryOperatorNode node = getBinaryNode("a === b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a === b");
}
@Test
public void testVisitBinaryOperatorNode_StrictNotEqual()
{
IBinaryOperatorNode node = getBinaryNode("a !== b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a !== b");
}
//----------------------------------
// Logical
//----------------------------------
@Test
public void testVisitBinaryOperatorNode_LogicalAnd()
{
IBinaryOperatorNode node = getBinaryNode("a && b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a && b");
}
@Test
public void testVisitBinaryOperatorNode_LogicalAndAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a &&= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a &&= b");
}
@Test
public void testVisitUnaryOperatorNode_LogicalNot()
{
IUnaryOperatorNode node = getUnaryNode("!a");
asBlockWalker.visitUnaryOperator(node);
assertOut("!a");
}
@Test
public void testVisitBinaryOperatorNode_LogicalOr()
{
IBinaryOperatorNode node = getBinaryNode("a || b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a || b");
}
@Test
public void testVisitBinaryOperatorNode_LogicalOrAssignment()
{
IBinaryOperatorNode node = getBinaryNode("a ||= b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a ||= b");
}
//----------------------------------
// Other
//----------------------------------
@Test
public void testParentheses_1()
{
IVariableNode node = (IVariableNode) getNode("var a = (a + b);",
IVariableNode.class);
asBlockWalker.visitVariable(node);
assertOut("var a:* = (a + b)");
}
@Test
public void testParentheses_2()
{
IVariableNode node = (IVariableNode) getNode("var a = (a + b) - c;",
IVariableNode.class);
asBlockWalker.visitVariable(node);
assertOut("var a:* = (a + b) - c");
}
@Test
public void testParentheses_3()
{
IVariableNode node = (IVariableNode) getNode(
"var a = ((a + b) - (c + d)) * e;", IVariableNode.class);
asBlockWalker.visitVariable(node);
assertOut("var a:* = ((a + b) - (c + d)) * e");
}
@Test
public void testAnonymousFunction()
{
IVariableNode node = (IVariableNode) getNode("var a = function(){};",
IVariableNode.class);
asBlockWalker.visitVariable(node);
assertOut("var a:* = function() {\n}");
}
@Test
public void testAnonymousFunctionWithParamsReturn()
{
IVariableNode node = (IVariableNode) getNode(
"var a:Object = function(foo:int, bar:String = 'goo'):int{return -1;};",
IVariableNode.class);
asBlockWalker.visitVariable(node);
assertOut("var a:Object = function(foo:int, bar:String = 'goo'):int {\n\treturn -1;\n}");
}
@Test
public void testAnonymousFunctionAsArgument()
{
IFunctionCallNode node = (IFunctionCallNode) getNode(
"addListener('foo', function(event:Object):void{doit();});",
IFunctionCallNode.class);
asBlockWalker.visitFunctionCall(node);
assertOut("addListener('foo', function(event:Object):void {\n\tdoit();\n})");
}
@Test
public void testVisitDynamicAccessNode_1()
{
IDynamicAccessNode node = getDynamicAccessNode("a[b]");
asBlockWalker.visitDynamicAccess(node);
assertOut("a[b]");
}
@Test
public void testVisitDynamicAccessNode_2()
{
IDynamicAccessNode node = getDynamicAccessNode("a[b[c][d]]");
asBlockWalker.visitDynamicAccess(node);
assertOut("a[b[c][d]]");
}
@Test
public void testVisitAs()
{
IBinaryOperatorNode node = getBinaryNode("a as b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a as b");
}
@Test
public void testVisitBinaryOperatorNode_Comma()
{
IBinaryOperatorNode node = getBinaryNode("a, b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a, b");
}
@Test
public void testVisitTernaryOperatorNode()
{
ITernaryOperatorNode node = (ITernaryOperatorNode) getExpressionNode(
"a ? b : c", ITernaryOperatorNode.class);
asBlockWalker.visitTernaryOperator(node);
assertOut("a ? b : c");
}
@Test
public void testVisitUnaryOperator_Delete()
{
IUnaryOperatorNode node = getUnaryNode("delete a");
asBlockWalker.visitUnaryOperator(node);
assertOut("delete a");
}
@Test
public void testVisitMemberAccess_1()
{
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getExpressionNode(
"a.b", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("a.b");
}
@Test
public void testVisitMemberAccess_2()
{
IMemberAccessExpressionNode node = (IMemberAccessExpressionNode) getExpressionNode(
"a.b.c.d", IMemberAccessExpressionNode.class);
asBlockWalker.visitMemberAccessExpression(node);
assertOut("a.b.c.d");
}
@Test
public void testVisitBinaryOperator_In()
{
IBinaryOperatorNode node = getBinaryNode("a in b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a in b");
}
@Test
public void testVisitBinaryOperator_Instancof()
{
IBinaryOperatorNode node = getBinaryNode("a instanceof b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a instanceof b");
}
@Test
public void testVisitBinaryOperator_Is()
{
IBinaryOperatorNode node = getBinaryNode("a is b");
asBlockWalker.visitBinaryOperator(node);
assertOut("a is b");
}
@Test
public void testVisitBinaryOperator_NamespaceAccess_1()
{
INamespaceAccessExpressionNode node = getNamespaceAccessExpressionNode("a::b");
asBlockWalker.visitNamespaceAccessExpression(node);
assertOut("a::b");
}
@Test
public void testVisitBinaryOperator_NamespaceAccess_2()
{
INamespaceAccessExpressionNode node = getNamespaceAccessExpressionNode("a::b::c");
asBlockWalker.visitNamespaceAccessExpression(node);
assertOut("a::b::c");
}
@Test
public void testVisitBinaryOperator_New()
{
IFunctionCallNode node = (IFunctionCallNode) getExpressionNode(
"new Object()", IFunctionCallNode.class);
asBlockWalker.visitFunctionCall(node);
assertOut("new Object()");
}
@Test
public void testVisitObjectLiteral_1()
{
ObjectLiteralNode node = (ObjectLiteralNode) getExpressionNode(
"a = {a:1}", ObjectLiteralNode.class);
asBlockWalker.visitLiteral(node);
assertOut("{a:1}");
}
@Test
public void testVisitObjectLiteral_2()
{
ObjectLiteralNode node = (ObjectLiteralNode) getExpressionNode(
"a = {a:1,b:{c:2,d:{e:4}}}", ObjectLiteralNode.class);
asBlockWalker.visitLiteral(node);
assertOut("{a:1, b:{c:2, d:{e:4}}}");
}
@Test
public void testVisitArrayLiteral_1()
{
ArrayLiteralNode node = (ArrayLiteralNode) getExpressionNode(
"a = [0,1,2]", ArrayLiteralNode.class);
asBlockWalker.visitLiteral(node);
assertOut("[0, 1, 2]");
}
@Test
public void testVisitArrayLiteral_2()
{
ArrayLiteralNode node = (ArrayLiteralNode) getExpressionNode(
"a = [0,[0,1,[0,1]],2,[1,2]]", ArrayLiteralNode.class);
asBlockWalker.visitLiteral(node);
assertOut("[0, [0, 1, [0, 1]], 2, [1, 2]]");
}
@Test
public void testVisitUnaryOperatorNode_Typeof()
{
IUnaryOperatorNode node = getUnaryNode("typeof(a)");
asBlockWalker.visitUnaryOperator(node);
assertOut("typeof(a)");
}
@Test
public void testVisitUnaryOperatorNode_Typeof_NoParens()
{
// TODO (mschmalle) the notation without parenthesis is also valid in AS/JS
IUnaryOperatorNode node = getUnaryNode("typeof a");
asBlockWalker.visitUnaryOperator(node);
assertOut("typeof(a)");
}
@Test
public void testVisitUnaryOperatorNode_Void()
{
IUnaryOperatorNode node = getUnaryNode("void a");
asBlockWalker.visitUnaryOperator(node);
assertOut("void a");
}
@Test
public void testVisitUnaryOperatorNode_Concate_1()
{
IBinaryOperatorNode node = getBinaryNode("\"a\" + \"b\"");
asBlockWalker.visitBinaryOperator(node);
assertOut("\"a\" + \"b\"");
}
// TODO (mschmalle) what's up with the escaping of backslashes?
@Test
public void testVisitUnaryOperatorNode_Concate_2()
{
// IBinaryOperatorNode node = getBinaryNode("\"a\\\"\" + \"\\\"b\"");
// asBlockWalker.visitBinaryOperator(node);
// assertOut("\"a\\\"\" + \"\\\"b\"");
}
@Test
public void testVisitIterationFlowNode_Break()
{
IIterationFlowNode node = (IIterationFlowNode) getNode("break",
IIterationFlowNode.class);
asBlockWalker.visitIterationFlow(node);
assertOut("break");
}
@Test
public void testVisitIterationFlowNode_Continue()
{
IIterationFlowNode node = (IIterationFlowNode) getNode("continue",
IIterationFlowNode.class);
asBlockWalker.visitIterationFlow(node);
assertOut("continue");
}
@Test
public void testVisitReturn()
{
IReturnNode node = (IReturnNode) getNode("return", IReturnNode.class);
asBlockWalker.visitReturn(node);
assertOut("return");
}
}