/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* 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.errorprone.bugpatterns;
import com.google.errorprone.CompilationTestHelper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** {@link ImmutableModification}Test */
@RunWith(JUnit4.class)
public class ImmutableModificationTest {
private final CompilationTestHelper testHelper =
CompilationTestHelper.newInstance(ImmutableModification.class, getClass());
@Test
public void positive() {
testHelper
.addSourceLines(
"Test.java",
"import com.google.common.collect.ImmutableList;",
"class Test {",
" void f(ImmutableList<String> xs) {",
" // BUG: Diagnostic contains:",
" xs.remove(0);",
" }",
"}")
.doTest();
}
@Test
public void negative() {
testHelper
.addSourceLines(
"Test.java",
"import com.google.common.collect.ImmutableList;",
"class Test {",
" void f(ImmutableList<String> xs) {",
" xs.get(0);",
" }",
"}")
.doTest();
}
@Test
public void setView() {
testHelper
.addSourceLines(
"Test.java",
"import com.google.common.collect.Sets;",
"import java.util.Set;",
"class Test {",
" void f(Set<String> a, Set<String> b) {",
" // BUG: Diagnostic contains:",
" Sets.union(a, b).remove(0);",
" }",
"}")
.doTest();
}
}