/*
* Copyright 2015 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.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** {@link NonFinalCompileTimeConstant}Test */
@RunWith(JUnit4.class)
public class NonFinalCompileTimeConstantTest {
private CompilationTestHelper compilationHelper;
@Before
public void setUp() {
compilationHelper =
CompilationTestHelper.newInstance(NonFinalCompileTimeConstant.class, getClass());
}
@Test
public void positive() throws Exception {
compilationHelper
.addSourceLines(
"Test.java",
"import com.google.errorprone.annotations.CompileTimeConstant;",
"public class Test {",
" // BUG: Diagnostic contains:",
" public void f(@CompileTimeConstant Object x) {",
" x = null;",
" }",
"}")
.doTest();
}
@Test
public void positiveTwoParams() throws Exception {
compilationHelper
.addSourceLines(
"Test.java",
"import com.google.errorprone.annotations.CompileTimeConstant;",
"public class Test {",
" // BUG: Diagnostic contains:",
" public void f(@CompileTimeConstant Object x, @CompileTimeConstant Object y) {",
" x = y = null;",
" }",
"}")
.doTest();
}
@Test
public void positiveOneOfTwoParams() throws Exception {
compilationHelper
.addSourceLines(
"Test.java",
"import com.google.errorprone.annotations.CompileTimeConstant;",
"public class Test {",
" public void f(",
" @CompileTimeConstant Object x,",
" // BUG: Diagnostic contains:",
" @CompileTimeConstant Object y) {",
" y = null;",
" }",
"}")
.doTest();
}
@Test
public void negative() throws Exception {
compilationHelper
.addSourceLines(
"Test.java",
"import com.google.errorprone.annotations.CompileTimeConstant;",
"public class Test {",
" public void f(final @CompileTimeConstant Object x) {}",
"}")
.doTest();
}
@Test
public void negativeEffectivelyFinal() throws Exception {
compilationHelper
.addSourceLines(
"Test.java",
"import com.google.errorprone.annotations.CompileTimeConstant;",
"public class Test {",
" public void f(@CompileTimeConstant Object x) {}",
"}")
.doTest();
}
}