/*
* Copyright 2009 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.common.css.compiler.passes;
import com.google.common.css.compiler.passes.testing.PassesTestBase;
/**
* Functional tests for {@link RemoveEmptyValues}.
*
*/
public class RemoveEmptyValuesFunctionalTest extends PassesTestBase {
public void testRemoveEmptyValues1() {
testTreeConstruction(linesToString(
"@def COLOR empty;",
"@def PADDING 1px;",
".CSS_RULE {",
" color: COLOR;",
" padding: PADDING;",
"}"),
"[[.CSS_RULE]{[padding:[[1px]];]}]");
}
public void testRemoveEmptyValues2() {
testTreeConstruction(linesToString(
"@def COLOR empty;",
"@def PADDING 1px;",
".CSS_RULE {",
" color: COLOR !important;",
" padding: PADDING;",
"}"),
"[[.CSS_RULE]{[padding:[[1px]];]}]");
}
public void testRemoveEmptyValues3() {
testTreeConstruction(linesToString(
"@def A empty;",
"@def B A A;",
"@def C A 1px;",
".CSS_RULE {",
" color: A B !important;",
" padding: C;",
"}"),
"[[.CSS_RULE]{[padding:[[1px]];]}]");
}
public void testRemoveEmptyValues4() {
testTreeConstruction(linesToString(
"@def A empty;",
"@def B A A;",
"@def C A B;",
".CSS_RULE {",
" color: A B !important;",
" padding: C;",
"}"),
"[]");
}
@Override
protected void runPass() {
new CreateDefinitionNodes(tree.getMutatingVisitController(),
errorManager).runPass();
new CreateConstantReferences(tree.getMutatingVisitController())
.runPass();
CollectConstantDefinitions collectConstantDefinitionsPass =
new CollectConstantDefinitions(tree);
collectConstantDefinitionsPass.runPass();
new ReplaceConstantReferences(
tree, collectConstantDefinitionsPass.getConstantDefinitions(),
true /* removeDefs */, errorManager,
true /* allowUndefinedConstants */).runPass();
new RemoveEmptyValues(tree.getMutatingVisitController()).runPass();
new SplitRulesetNodes(tree.getMutatingVisitController()).runPass();
new MarkRemovableRulesetNodes(tree).runPass();
new EliminateUselessRulesetNodes(tree).runPass();
new MergeAdjacentRulesetNodesWithSameSelector(tree).runPass();
new MergeAdjacentRulesetNodesWithSameDeclarations(tree).runPass();
}
}