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Diffstat (limited to 'test/542-inline-trycatch/src/Main.java')
| -rw-r--r-- | test/542-inline-trycatch/src/Main.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/test/542-inline-trycatch/src/Main.java b/test/542-inline-trycatch/src/Main.java new file mode 100644 index 0000000000..5a6e06fa0c --- /dev/null +++ b/test/542-inline-trycatch/src/Main.java @@ -0,0 +1,178 @@ +/* + * 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(); + } +} |