changeset 49052:17cf8bef476a lworld

[lworld] Basic runtime test for withfield behavior.
author sadayapalam
date Mon, 12 Mar 2018 09:20:32 +0530
parents 7ebb169ae9a0
children 7c1c51c340e6
files test/langtools/tools/javac/valhalla/lworld-values/WithFieldRuntimeTest.java
diffstat 1 files changed, 46 insertions(+), 0 deletions(-) [+]
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/valhalla/lworld-values/WithFieldRuntimeTest.java	Mon Mar 12 09:20:32 2018 +0530
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @summary Test withfield behavior at runtime.
+ * @run main WithFieldRuntimeTest
+ */
+
+public final __ByValue class WithFieldRuntimeTest {
+
+    final int x = 10;
+
+    static void foo(WithFieldRuntimeTest x) {
+        if (x.x != 0)
+            throw new AssertionError("Expected default value, found something else.");
+        x = __WithField(x.x, 20);
+        if (x.x != 20)
+            throw new AssertionError("Expected updated value, found something else.");
+    }
+
+    public static void main(String [] args) {
+        WithFieldRuntimeTest x = __MakeDefault WithFieldRuntimeTest();
+        foo(x);
+    }
+}