src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/HashMapGetTest.java
changeset 47667 390896759aa2
child 50858 2d3e99a72541
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/HashMapGetTest.java	Wed Oct 11 17:11:28 2017 -0700
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017, 2017, 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.
+ */
+package org.graalvm.compiler.core.test;
+
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import org.graalvm.compiler.nodes.IfNode;
+import org.graalvm.compiler.nodes.LogicNode;
+import org.graalvm.compiler.nodes.ReturnNode;
+import org.graalvm.compiler.nodes.calc.ObjectEqualsNode;
+import org.junit.Test;
+
+import java.util.HashMap;
+
+public class HashMapGetTest extends GraalCompilerTest {
+
+    public static void mapGet(HashMap<Integer, Integer> map, Integer key) {
+        map.get(key);
+    }
+
+    @Test
+    public void hashMapTest() {
+        HashMap<Integer, Integer> map = new HashMap<>();
+        ResolvedJavaMethod get = getResolvedJavaMethod(HashMapGetTest.class, "mapGet");
+        for (int i = 0; i < 5000; i++) {
+            mapGet(map, i);
+            map.put(i, i);
+            mapGet(map, i);
+        }
+        test(get, null, map, new Integer(0));
+        for (IfNode ifNode : lastCompiledGraph.getNodes(IfNode.TYPE)) {
+            LogicNode condition = ifNode.condition();
+            if (ifNode.getTrueSuccessorProbability() < 0.4 && condition instanceof ObjectEqualsNode) {
+                assertTrue(ifNode.trueSuccessor().next() instanceof ReturnNode, "Expected return.", ifNode.trueSuccessor(), ifNode.trueSuccessor().next());
+            }
+        }
+    }
+
+}