--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.jvmci.asm.test/src/com/oracle/jvmci/asm/test/AssemblerTest.java	Wed Jun 03 18:33:23 2015 +0200
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2013, 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 com.oracle.jvmci.asm.test;
+
+import java.lang.reflect.*;
+
+import org.junit.*;
+
+import com.oracle.jvmci.code.*;
+import com.oracle.jvmci.debug.*;
+import com.oracle.jvmci.debug.Debug.Scope;
+import com.oracle.jvmci.meta.*;
+import com.oracle.jvmci.runtime.*;
+import com.oracle.jvmci.service.*;
+import com.oracle.jvmci.test.*;
+
+public abstract class AssemblerTest extends TestBase {
+
+    private final MetaAccessProvider metaAccess;
+    protected final CodeCacheProvider codeCache;
+
+    public interface CodeGenTest {
+        byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc);
+    }
+
+    public AssemblerTest() {
+        JVMCIBackend providers = JVMCI.getRuntime().getHostJVMCIBackend();
+        this.metaAccess = providers.getMetaAccess();
+        this.codeCache = providers.getCodeCache();
+    }
+
+    public MetaAccessProvider getMetaAccess() {
+        return metaAccess;
+    }
+
+    protected InstalledCode assembleMethod(Method m, CodeGenTest test) {
+        ResolvedJavaMethod method = getMetaAccess().lookupJavaMethod(m);
+        try (Scope s = Debug.scope("assembleMethod", method, codeCache)) {
+            RegisterConfig registerConfig = codeCache.getRegisterConfig();
+            CallingConvention cc = CodeUtil.getCallingConvention(codeCache, CallingConvention.Type.JavaCallee, method, false);
+
+            CompilationResult compResult = new CompilationResult();
+            byte[] targetCode = test.generateCode(compResult, codeCache.getTarget(), registerConfig, cc);
+            compResult.setTargetCode(targetCode, targetCode.length);
+            compResult.setTotalFrameSize(0);
+
+            InstalledCode code = codeCache.addMethod(method, compResult, null, null);
+
+            for (DisassemblerProvider dis : Services.load(DisassemblerProvider.class)) {
+                String disasm = dis.disassemble(code);
+                Assert.assertTrue(code.toString(), disasm == null || disasm.length() > 0);
+            }
+            return code;
+        } catch (Throwable e) {
+            throw Debug.handle(e);
+        }
+    }
+
+    protected Object runTest(String methodName, CodeGenTest test, Object... args) {
+        Method method = getMethod(methodName);
+        InstalledCode code = assembleMethod(method, test);
+        try {
+            return code.executeVarargs(args);
+        } catch (InvalidInstalledCodeException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    protected void assertReturn(String methodName, CodeGenTest test, Object expected, Object... args) {
+        Object actual = runTest(methodName, test, args);
+        Assert.assertEquals("unexpected return value", expected, actual);
+    }
+}