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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.
*/
public class Main {
// The following tests make sure that we inline methods used inside try and catch
// blocks, provided they meet other inlining criteria. To do that, we rely on
// the compiler recognizing and enforcing the $inline$ and $noinline$ markers.
// We expect a single block to always be inlined.
private static int $inline$SingleBlock(String str) throws NumberFormatException {
return Integer.parseInt(str);
}
// We expect a "simple" method with multiple blocks to always be inlined.
private static int $inline$MultipleBlocks(String str, boolean is_hex)
throws NumberFormatException {
return is_hex ? Integer.parseInt(str, 16) : Integer.parseInt(str);
}
// We expect methods with try/catch to not be inlined. Inlined try/catch
// blocks are not supported at the moment.
private static int $noinline$TryCatch(String str) {
try {
return Integer.parseInt(str);
} catch (NumberFormatException ex) {
return -1;
}
}
public static void testSingleBlockFromTry() {
int val = 0;
try {
val = $inline$SingleBlock("42");
} catch (NumberFormatException ex) {
unreachable();
}
assertEquals(42, val);
try {
$inline$SingleBlock("xyz");
unreachable();
} catch (NumberFormatException ex) {}
}
public static void testSingleBlockFromCatch() {
int val = 0;
try {
throwException();
} catch (Exception ex) {
val = $inline$SingleBlock("42");
}
assertEquals(42, val);
}
public static void testMultipleBlocksFromTry() {
int val = 0;
try {
val = $inline$MultipleBlocks("42", false);
} catch (NumberFormatException ex) {
unreachable();
}
assertEquals(42, val);
try {
val = $inline$MultipleBlocks("20", true);
} catch (NumberFormatException ex) {
unreachable();
}
assertEquals(32, val);
try {
$inline$MultipleBlocks("xyz", false);
unreachable();
} catch (NumberFormatException ex) {}
try {
$inline$MultipleBlocks("xyz", true);
unreachable();
} catch (NumberFormatException ex) {}
}
public static void testMultipleBlocksFromCatch() {
int val = 0;
try {
throwException();
} catch (Exception ex) {
val = $inline$MultipleBlocks("42", false);
}
assertEquals(42, val);
try {
throwException();
} catch (Exception ex) {
val = $inline$MultipleBlocks("20", true);
}
assertEquals(32, val);
}
public static void testTryCatchFromTry() {
int val = 0;
try {
val = $noinline$TryCatch("42");
} catch (NumberFormatException ex) {
unreachable();
}
assertEquals(42, val);
try {
val = $noinline$TryCatch("xyz");
} catch (NumberFormatException ex) {
unreachable();
}
assertEquals(-1, val);
}
public static void testTryCatchFromCatch() {
int val = 0;
try {
throwException();
} catch (Exception ex) {
val = $noinline$TryCatch("42");
}
assertEquals(42, val);
try {
throwException();
} catch (Exception ex) {
val = $noinline$TryCatch("xyz");
}
assertEquals(-1, val);
}
public static void main(String[] args) {
testSingleBlockFromTry();
testSingleBlockFromCatch();
testMultipleBlocksFromTry();
testMultipleBlocksFromCatch();
testTryCatchFromTry();
testTryCatchFromCatch();
}
private static void assertEquals(int expected, int actual) {
if (expected != actual) {
throw new AssertionError("Wrong result: " + expected + " != " + actual);
}
}
private static void unreachable() {
throw new Error("Unreachable");
}
private static void throwException() throws Exception {
throw new Exception();
}
}
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