/*
* 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.testdata;
import com.google.errorprone.annotations.NoAllocation;
/**
* @author agoode@google.com (Adam Goode)
*/
public class NoAllocationCheckerPositiveCases {
// Trigger on new array.
@NoAllocation
public int[] newArray(int size) {
// BUG: Diagnostic contains: @NoAllocation
// Allocating a new array
return new int[size];
}
@NoAllocation
public int[] arrayInitializer(int a, int b) {
// BUG: Diagnostic contains: @NoAllocation
// Allocating a new array
int[] array = {a, b};
return array;
}
@NoAllocation
public int[] returnArrayInitializer(int a, int b) {
// BUG: Diagnostic contains: @NoAllocation
// Allocating a new array
return new int[]{a, b};
}
// Trigger on new.
@NoAllocation
public String newString(String s) {
// BUG: Diagnostic contains: @NoAllocation
// Constructing
return new String(s);
}
// Trigger calling a method that does allocation.
public String allocateString() {
return new String();
}
@NoAllocation
public String getString() {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
return allocateString();
}
// Trigger on string conversion.
@NoAllocation
public int getInt() {
return 1;
}
@NoAllocation
public String stringConvReturn(int i) {
// BUG: Diagnostic contains: @NoAllocation
// String concatenation
return "" + i;
}
@NoAllocation
public String stringConvAssign(int i) {
// BUG: Diagnostic contains: @NoAllocation
// String concatenation
String s = "" + i;
return s;
}
@NoAllocation
public String stringConvAssign2(int i) {
String s = "";
// BUG: Diagnostic contains: @NoAllocation
// String concatenation
s = s + i;
return s;
}
@NoAllocation
public String stringConvAssign3(int i) {
String s = "";
// BUG: Diagnostic contains: @NoAllocation
// String concatenation
s = i + s;
return s;
}
@NoAllocation
public String stringConvReturnMethod() {
// BUG: Diagnostic contains: @NoAllocation
// String concatenation
String s = "" + getInt();
return s;
}
@NoAllocation
public String stringConvCompoundAssign(int i) {
String s = "";
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
s += i;
return s;
}
@NoAllocation
public String stringConvCompoundReturnMethod() {
String s = "";
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
s += getInt();
return s;
}
// Trigger on string concatenation.
@NoAllocation
public String doubleString(String s) {
// BUG: Diagnostic contains: @NoAllocation
// String concatenation
return s + s;
}
@NoAllocation
public String doubleStringCompound(String s) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
s += s;
return s;
}
// Trigger on foreach with non-array.
@NoAllocation
public int iteration(Iterable<Object> a) {
int result = 0;
// BUG: Diagnostic contains: @NoAllocation
// Iterating
for (Object o : a) {
result++;
}
return result;
}
// Trigger on autoboxing.
@NoAllocation
public Integer assignBox(int i) {
Integer in;
// BUG: Diagnostic contains: @NoAllocation
// Assigning a primitive value
in = i;
return in;
}
@NoAllocation
public Integer initializeBox(int i) {
// BUG: Diagnostic contains: @NoAllocation
// Initializing a non-primitive
Integer in = i;
return in;
}
@NoAllocation
public Integer initializeBoxLiteral() {
// BUG: Diagnostic contains: @NoAllocation
// Initializing a non-primitive
Integer in = 0;
return in;
}
@NoAllocation
public int castBox(int i) {
// BUG: Diagnostic contains: @NoAllocation
// Casting a primitive
int in = (Integer) i;
return in;
}
@NoAllocation
public Integer returnBox(int i) {
// BUG: Diagnostic contains: @NoAllocation
// Returning a primitive
return i;
}
@NoAllocation
public int unBox(Integer i) {
return i;
}
@NoAllocation
public void callBox(int i) {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
unBox(i);
}
@NoAllocation
public int unBox2(int i1, Integer i2) {
return i2;
}
@NoAllocation
public void callBox2(int i1, int i2) {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
unBox2(i1, i2);
}
@NoAllocation
public int unBox3(Integer i1, int i2) {
return i1;
}
@NoAllocation
public void callBox3(int i1, int i2) {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
unBox3(i1, i2);
}
@NoAllocation
public int varArgsMethod(int a, int... b) {
return a + b[0];
}
@NoAllocation
public void callVarArgs0() {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
varArgsMethod(0);
}
@NoAllocation
public void callVarArgs() {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
varArgsMethod(1, 2);
}
@NoAllocation
public void callVarArgs2() {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
varArgsMethod(1, 2, 3);
}
@NoAllocation
public Object varArgsMethodObject(Object a, Object... b) {
return b[0];
}
@NoAllocation
public void callVarArgsObject(Object a, Object[] b) {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
varArgsMethodObject(a, b[0]);
}
@NoAllocation
public void callVarArgsObjectWithPrimitiveArray(Object a, int[] b) {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
varArgsMethodObject(a, b);
}
@NoAllocation
public int forBox(int[] a) {
int count = 0;
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
for (Integer i = 0; i < a.length; i++) {
count++;
}
return count;
}
@NoAllocation
public void arrayBox(Integer[] a, int i) {
// BUG: Diagnostic contains: @NoAllocation
// Assigning a primitive value
a[0] = i;
}
@NoAllocation
public int preIncrementBox(Integer i) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
++i;
return i;
}
@NoAllocation
public int postIncrementBox(Integer i) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
i++;
return i;
}
@NoAllocation
public int preDecrementBox(Integer i) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
--i;
return i;
}
@NoAllocation
public int postDecrementBox(Integer i) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
i--;
return i;
}
@NoAllocation
public int forEachBox(int[] a) {
int last = -1;
// BUG: Diagnostic contains: @NoAllocation
// Iterating
for (Integer i : a) {
last = i;
}
return last;
}
@NoAllocation
public void arrayPreIncrementBox(Integer[] a) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
++a[0];
}
@NoAllocation
public void arrayPostIncrementBox(Integer[] a) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
a[0]++;
}
@NoAllocation
public void arrayPreDecrementBox(Integer[] a) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
--a[0];
}
@NoAllocation
public void arrayPostDecrementBox(Integer[] a) {
// BUG: Diagnostic contains: @NoAllocation
// Pre- and post- increment/decrement
a[0]--;
}
@NoAllocation
public int compoundBox(Integer a, int b) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
a += b;
return a;
}
@NoAllocation
public void arrayCompoundBox(Integer[] a, int b) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
a[0] += b;
}
@NoAllocation
public void andAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 &= i2;
}
@NoAllocation
public void divideAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 /= i2;
}
@NoAllocation
public void leftShiftAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 <<= i2;
}
@NoAllocation
public void minusAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 -= i2;
}
@NoAllocation
public void multiplyAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 *= i2;
}
@NoAllocation
public void orAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 |= i2;
}
@NoAllocation
public void plusAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 += i2;
}
@NoAllocation
public void remainderAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 %= i2;
}
@NoAllocation
public void rightShiftAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 >>= i2;
}
@NoAllocation
public void unsignedRightShiftAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 >>>= i2;
}
@NoAllocation
public void xorAssignmentBox(Integer i1, Integer i2) {
// BUG: Diagnostic contains: @NoAllocation
// Compound assignment
i1 ^= i2;
}
// Cloning is right out.
@NoAllocation
public Object doClone() throws CloneNotSupportedException {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
return clone();
}
// Throwing doesn't whitelist through method declarations.
@NoAllocation
public String throwForeach(final Iterable<Object> a) {
throw new RuntimeException() {
@NoAllocation
private void f() {
// BUG: Diagnostic contains: @NoAllocation
// Iterating
for (Object o : a) {
// BUG: Diagnostic contains: @NoAllocation
// Calling a method
a.toString();
}
}
};
}
}