/*
* Copyright 2013 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.testdata;
/**
* @author cushon@google.com (Liam Miller-Cushon)
*/
public class DivZeroPositiveCases {
public static void main(String[] args) {
new DivZeroPositiveCases();
}
static int staticOne = 0;
// BUG: Diagnostic contains: DivZero
static int staticTwo = staticOne / 0;
// BUG: Diagnostic contains: DivZero
static int staticThree = (staticTwo / 0);
int fieldOne;
// BUG: Diagnostic contains: DivZero
int fieldTwo = fieldOne / 0;
// BUG: Diagnostic contains: DivZero
int fieldThree = (fieldTwo /= 0);
int f() { return 42; }
void method(final int a, double b, boolean flag) {
int x;
double y;
// BUG: Diagnostic contains: throw new ArithmeticException
x = a / 0;
// BUG: Diagnostic contains: throw new ArithmeticException
x /= 0;
x = ((((a / a) / (a / a)) / ((a / a) / (a / a))) /
(((a / a) / (a / a)) / ((a / a) / (a / a)))) /
// BUG: Diagnostic contains: zero
((((a / a) / (a / a)) / ((a / 0) / (a / a))) /
(((a / a) / (a / a)) / ((a / a) / (a / a))));
// BUG: Diagnostic contains: throw new ArithmeticException
x = flag ? a / 0 : 42;
// BUG: Diagnostic contains: throw new ArithmeticException
for (int i = 0; i < 10; i /= 0) {
}
Object o = new Object() {
// BUG: Diagnostic contains: throw new ArithmeticException
int x = a / 0;
};
// BUG: Diagnostic contains: throw new ArithmeticException
x = f() / 0;
}
// TODO(cushon): write a check for self-references via qualified names in field initializers,
// even if JLS 8.3.2.3 permits it.
// BUG: Diagnostic contains: DivZero
int selfRefField = this.selfRefField / 0;
// BUG: Diagnostic contains: DivZero
static int staticSelfRefField = DivZeroPositiveCases.staticSelfRefField / 0;
}