65 lines
2.1 KiB
Java
65 lines
2.1 KiB
Java
|
/*
|
||
|
|
* Copyright 2011 The Closure Compiler Authors.
|
||
|
|
*
|
||
|
|
* 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.javascript.jscomp;
|
||
|
|
|
||
|
|
import com.google.javascript.rhino.Node;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unit tests for {#link {@link OptimizeCalls}
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
public class OptimizeCallsTest extends CompilerTestCase {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
protected CompilerPass getProcessor(final Compiler compiler) {
|
||
|
|
final OptimizeCalls passes = new OptimizeCalls(compiler);
|
||
|
|
passes.addPass(new OptimizeReturns(compiler));
|
||
|
|
passes.addPass(new OptimizeParameters(compiler));
|
||
|
|
passes.addPass(new RemoveUnusedVars(compiler, true, false, true));
|
||
|
|
return new CompilerPass() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void process(Node externs, Node root) {
|
||
|
|
new PureFunctionIdentifier(compiler,
|
||
|
|
new SimpleDefinitionFinder(compiler)).process(externs, root);
|
||
|
|
passes.process(externs, root);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
public void testRemovingReturnCallToFunctionWithUnusedParams() {
|
||
|
|
test("function foo() {var x; return x = bar(1)} foo(); function bar(x) {}",
|
||
|
|
"function foo() { bar(); return;} foo(); function bar() {}");
|
||
|
|
}
|
||
|
|
|
||
|
|
public void testNestingFunctionCallWithUnsedParams() {
|
||
|
|
test("function f1(x) { } function f2(x) { }" +
|
||
|
|
"function f3(x) { } function f4(x) { }" +
|
||
|
|
"f3(f1(f2()));",
|
||
|
|
"function f1() {f2()} function f2() { }" +
|
||
|
|
"function f3() {f1()} " +
|
||
|
|
"f3();"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void testUnusedAssignOnFunctionWithUnusedParams() {
|
||
|
|
test("var foo = function(a){}; function bar(){var x;x = foo} bar(); foo(1)",
|
||
|
|
"var foo = function( ){}; function bar(){ } bar(); foo()");
|
||
|
|
}
|
||
|
|
}
|