OpenJDK / code-tools / jcstress

changeset 397:794ae5fc5330

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Chapter 0.a: Add initialization tests that check class headers and array lengths.
author shade
date Tue, 28 Mar 2017 13:41:44 +0200
parents 1b0f8547b888
children 2357daa047b7
files jcstress-test-gen/src/main/java/org/openjdk/jcstress/chapters/Chapter0aTestGenerator.java jcstress-test-gen/src/main/resources/init/X-ArrayInitClassTest.java.template jcstress-test-gen/src/main/resources/init/X-ArrayInitLengthTest.java.template jcstress-test-gen/src/main/resources/init/X-ArrayLargeInitClassTest.java.template jcstress-test-gen/src/main/resources/init/X-ArrayLargeInitLengthTest.java.template jcstress-test-gen/src/main/resources/init/X-FieldInitClassTest.java.template
diffstat 6 files changed, 314 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/jcstress-test-gen/src/main/java/org/openjdk/jcstress/chapters/Chapter0aTestGenerator.java	Mon Mar 27 18:41:27 2017 +0200
+++ b/jcstress-test-gen/src/main/java/org/openjdk/jcstress/chapters/Chapter0aTestGenerator.java	Tue Mar 28 13:41:44 2017 +0200
@@ -63,6 +63,14 @@
                 new String[]{ "", "volatile", "final" }
         );
 
+
+        makeTests(
+                dest,
+                GeneratorUtils.readFromResource("/init/X-FieldInitClassTest.java.template"),
+                "initClass.fields",
+                new String[]{ "", "volatile" }
+        );
+
         makeTests(
                 dest,
                 GeneratorUtils.readFromResource("/tearing/X-FieldTearingTest.java.template"),
@@ -100,6 +108,34 @@
 
         makeTests(
                 dest,
+                GeneratorUtils.readFromResource("/init/X-ArrayInitClassTest.java.template"),
+                "initClass.arrays.small",
+                new String[]{ "", "volatile" }
+        );
+
+        makeTests(
+                dest,
+                GeneratorUtils.readFromResource("/init/X-ArrayLargeInitClassTest.java.template"),
+                "initClass.arrays.large",
+                new String[]{ "", "volatile" }
+        );
+
+        makeTests(
+                dest,
+                GeneratorUtils.readFromResource("/init/X-ArrayInitLengthTest.java.template"),
+                "initLen.arrays.small",
+                new String[]{ "", "volatile" }
+        );
+
+        makeTests(
+                dest,
+                GeneratorUtils.readFromResource("/init/X-ArrayLargeInitLengthTest.java.template"),
+                "initLen.arrays.large",
+                new String[]{ "", "volatile" }
+        );
+
+        makeTests(
+                dest,
                 GeneratorUtils.readFromResource("/accessAtomic/X-ArrayAtomicityTest.java.template"),
                 "accessAtomic.arrays",
                 new String[]{ "", "volatile" }
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jcstress-test-gen/src/main/resources/init/X-ArrayInitClassTest.java.template	Tue Mar 28 13:41:44 2017 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, Red Hat Inc. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 $package$;
+
+import org.openjdk.jcstress.annotations.*;
+import org.openjdk.jcstress.infra.results.*;
+
+#warn
+
+/**
+ * Tests if fields initialization is visible via racy publication.
+ */
+@JCStressTest
+@Outcome(id = "true", expect = Expect.ACCEPTABLE, desc = "Consistent class for object.")
+@State
+public class $name$ {
+
+    $modifier$ Object arr;
+
+    @Actor
+    public void actor1() {
+        arr = new $type$[4];
+    }
+
+    @Actor
+    public void actor2(Z_Result r) {
+        Object a = arr;
+        if (a == null) {
+            r.r1 = true;
+        } else {
+            r.r1 = (a.getClass() == $type$[].class);
+        }
+    }
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jcstress-test-gen/src/main/resources/init/X-ArrayInitLengthTest.java.template	Tue Mar 28 13:41:44 2017 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, Red Hat Inc. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 $package$;
+
+import org.openjdk.jcstress.annotations.*;
+import org.openjdk.jcstress.infra.results.*;
+
+#warn
+
+@JCStressTest
+@Outcome(id = "0", expect = Expect.ACCEPTABLE, desc = "Haven't seen yet.")
+@Outcome(id = "4", expect = Expect.ACCEPTABLE, desc = "Seeing good length.")
+@State
+public class $name$ {
+
+    $modifier$ Object arr;
+
+    @Actor
+    public void actor1() {
+        arr = new $type$[4];
+    }
+
+    @Actor
+    public void actor2(I_Result r) {
+        Object a = arr;
+        if (a == null) {
+            r.r1 = 0;
+        } else {
+            r.r1 = (($type$[])a).length;
+        }
+    }
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jcstress-test-gen/src/main/resources/init/X-ArrayLargeInitClassTest.java.template	Tue Mar 28 13:41:44 2017 +0200
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, Red Hat Inc. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 $package$;
+
+import org.openjdk.jcstress.annotations.*;
+import org.openjdk.jcstress.infra.results.*;
+
+#warn
+
+@JCStressTest
+@Outcome(id = "true", expect = Expect.ACCEPTABLE, desc = "Consistent class for object.")
+@State
+public class $name$ {
+
+    $modifier$ Object arr;
+
+    @Actor
+    public void actor1() {
+        arr = new $type$[2 * 1024 * 1024];
+    }
+
+    @Actor
+    public void actor2(Z_Result r) {
+        Object a = arr;
+        if (a == null) {
+            r.r1 = true;
+        } else {
+            r.r1 = (a.getClass() == $type$[].class);
+        }
+    }
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jcstress-test-gen/src/main/resources/init/X-ArrayLargeInitLengthTest.java.template	Tue Mar 28 13:41:44 2017 +0200
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 $package$;
+
+import org.openjdk.jcstress.annotations.*;
+import org.openjdk.jcstress.infra.results.*;
+
+#warn
+
+@JCStressTest
+@Outcome(id = "0", expect = Expect.ACCEPTABLE, desc = "Haven't seen yet.")
+@Outcome(id = "2097152", expect = Expect.ACCEPTABLE, desc = "Seeing good length.")
+@State
+public class $name$ {
+
+    $modifier$ Object arr;
+
+    @Actor
+    public void actor1() {
+        arr = new $type$[2 * 1024 * 1024];
+    }
+
+    @Actor
+    public void actor2(I_Result r) {
+        Object a = arr;
+        if (a == null) {
+            r.r1 = 0;
+        } else {
+            r.r1 = (($type$[])a).length;
+        }
+    }
+
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jcstress-test-gen/src/main/resources/init/X-FieldInitClassTest.java.template	Tue Mar 28 13:41:44 2017 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, Red Hat Inc. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 $package$;
+
+import org.openjdk.jcstress.annotations.*;
+import org.openjdk.jcstress.infra.results.*;
+
+#warn
+
+@JCStressTest
+@Outcome(id = "true", expect = Expect.ACCEPTABLE, desc = "Consistent class for object.")
+@State
+public class $name$ {
+
+    $modifier$ Object data;
+
+    public static class Data {}
+
+    @Actor
+    public void actor1() {
+        data = new Data();
+    }
+
+    @Actor
+    public void actor2(Z_Result r) {
+        Object d = this.data;
+        if (d == null) {
+            // Pretend we have seen the set value
+            r.r1 = true;
+        } else {
+            r.r1 = (d.getClass() == Data.class);
+        }
+    }
+
+}
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