| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Licensed 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 com.google.gwt.dev.jjs.impl; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.dev.jjs.ast.JMethod; |
| import com.google.gwt.dev.jjs.ast.JProgram; |
| import com.google.gwt.thirdparty.guava.common.base.Joiner; |
| |
| /** |
| * Test for {@link ImplementJsVarargs}. |
| */ |
| public class ImplementJsVarargsTest extends OptimizerTestBase { |
| // TODO(rluble): add unit test for the rest of the functionality. |
| |
| public void testOptimizedArguments_justPassThru() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(Object... obj) { n(obj); }", |
| " public static void n(Object... obj) { }", |
| "}"); |
| |
| Result result = optimize("void", "A.m();"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(Object[] _arguments_){", |
| " EntryPoint$A.n(_arguments_);", |
| "}"), result.findMethod("test.EntryPoint$A.m([Ljava/lang/Object;)V").toSource()); |
| } |
| |
| public void testOptimizedArguments_onlyAccess() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(Object... obj) { n(obj[5], obj.length); }", |
| " public static void n(Object arg1, Object arg2) { }", |
| "}"); |
| |
| Result result = optimize("void", "A.m();"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(Object[] _arguments_){", |
| " EntryPoint$A.n(_arguments_[5], Integer.valueOf(_arguments_.length));", |
| "}"), result.findMethod("test.EntryPoint$A.m([Ljava/lang/Object;)V").toSource()); |
| } |
| |
| public void testOptimizedArguments_offsetAccess() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(int i, Object... obj) { n(obj[5], obj.length); }", |
| " public static void n(Object arg1, Object arg2) { }", |
| "}"); |
| |
| Result result = optimize("void", "A.m(2);"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(int i, Object[] _arguments_){", |
| " EntryPoint$A.n(_arguments_[5 + 1], Integer.valueOf(_arguments_.length - 1));", |
| "}"), result.findMethod("test.EntryPoint$A.m(I[Ljava/lang/Object;)V").toSource()); |
| } |
| |
| public void testOptimizedArguments_writeToArguments() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(Object... obj) { obj[5] = 1; }", |
| "}"); |
| |
| Result result = optimize("void", "A.m(2);"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(Object[] _arguments_){", |
| " {", |
| " Object[] obj = new Object[][_arguments_.length];", |
| " for (int $i = 0; $i < _arguments_.length; $i++) {", |
| " obj[$i] = _arguments_[$i];", |
| " }", |
| " }", |
| " obj[5] = Integer.valueOf(1);", |
| "}"), result.findMethod("test.EntryPoint$A.m([Ljava/lang/Object;)V").toSource()); |
| } |
| |
| public void testOptimizedArguments_postIncrement() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(int... obj) { obj[5]++; }", |
| "}"); |
| |
| Result result = optimize("void", "A.m(2);"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(int[] _arguments_){", |
| " {", |
| " int[] obj = new int[][_arguments_.length];", |
| " for (int $i = 0; $i < _arguments_.length; $i++) {", |
| " obj[$i] = _arguments_[$i];", |
| " }", |
| " }", |
| " obj[5]++;", |
| "}"), result.findMethod("test.EntryPoint$A.m([I)V").toSource()); |
| } |
| |
| public void testOptimizedArguments_preDecrement() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(int... obj) { --obj[5]; }", |
| "}"); |
| |
| Result result = optimize("void", "A.m(2);"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(int[] _arguments_){", |
| " {", |
| " int[] obj = new int[][_arguments_.length];", |
| " for (int $i = 0; $i < _arguments_.length; $i++) {", |
| " obj[$i] = _arguments_[$i];", |
| " }", |
| " }", |
| " --obj[5];", |
| "}"), result.findMethod("test.EntryPoint$A.m([I)V").toSource()); |
| } |
| |
| public void testOptimizedArguments_call() throws Exception { |
| addSnippetImport("jsinterop.annotations.JsType"); |
| addSnippetClassDecl( |
| "@JsType static class A {", |
| " public static void m(int... obj) { n(obj); }", |
| " public static void n(int[] obj) { }", |
| "}"); |
| |
| Result result = optimize("void", "A.m(2);"); |
| |
| assertEquals( |
| Joiner.on('\n').join( |
| "public static void m(int[] _arguments_){", |
| " {", |
| " int[] obj = new int[][_arguments_.length];", |
| " for (int $i = 0; $i < _arguments_.length; $i++) {", |
| " obj[$i] = _arguments_[$i];", |
| " }", |
| " }", |
| " EntryPoint$A.n(obj);", |
| "}"), result.findMethod("test.EntryPoint$A.m([I)V").toSource()); |
| } |
| |
| @Override |
| protected boolean doOptimizeMethod(TreeLogger logger, JProgram program, JMethod method) { |
| program.addEntryMethod(findMainMethod(program)); |
| boolean didChange = true; |
| do { |
| didChange &= TypeTightener.exec(program).didChange(); |
| didChange &= MethodCallTightener.exec(program).didChange(); |
| } while (didChange); |
| ImplementJsVarargs.exec(program); |
| return true; |
| } |
| } |