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Diffstat (limited to 'test/409-materialized-condition/src/Main.java')
-rw-r--r-- | test/409-materialized-condition/src/Main.java | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/409-materialized-condition/src/Main.java b/test/409-materialized-condition/src/Main.java new file mode 100644 index 0000000..0c179a9 --- /dev/null +++ b/test/409-materialized-condition/src/Main.java @@ -0,0 +1,66 @@ +/* + * 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 { + + public static void doNothing(boolean b) { + System.out.println("In do nothing."); + } + + public static void inIf() { + System.out.println("In if."); + } + + public static int bar() { + return 42; + } + + public static int foo1() { + int b = bar(); + doNothing(b == 42); + // This second `b == 42` will be GVN'ed away. + if (b == 42) { + inIf(); + return b; + } + return 0; + } + + public static int foo2() { + int b = bar(); + doNothing(b == 41); + // This second `b == 41` will be GVN'ed away. + if (b == 41) { + inIf(); + return 0; + } + return b; + } + + public static void main(String[] args) { + System.out.println("foo1"); + int res = foo1(); + if (res != 42) { + throw new Error("Unexpected return value for foo1: " + res + ", expected 42."); + } + + System.out.println("foo2"); + res = foo2(); + if (res != 42) { + throw new Error("Unexpected return value for foo2: " + res + ", expected 42."); + } + } +} |