changeset 1600:cd7340a84bb8

8008405: Now that metafactory is in place, add javac lambda serialization tests Summary: Tests part of original langtools serialization review. Reviewed-by: mcimadamore
author rfield
date Thu, 21 Feb 2013 14:43:51 -0800
parents 3fef0cae83b3
children dabb36173c63
files test/tools/javac/T8004969.java test/tools/javac/lambda/LambdaInnerTypeVarArgsSerialize.java test/tools/javac/lambda/LambdaInnerTypeVarSerialize.java
diffstat 3 files changed, 258 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/T8004969.java	Thu Feb 21 14:43:51 2013 -0800
@@ -0,0 +1,103 @@
+/*
+ * 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.
+ */
+
+/*
+@test
+@bug 8004969
+@summary Lambda deserialization
+
+*/
+
+import java.io.*;
+
+public class T8004969 implements Serializable {
+
+    static int assertionCount = 0;
+
+    static void assertTrue(boolean cond) {
+        assertionCount++;
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    static String mm(String s) { return "mref" + s; }
+
+    String aField = "aF";
+
+    public static void main(String[] args) throws Exception {
+        (new T8004969()).doit();
+    }
+
+    public void doit() throws Exception {
+        String aLocal = "aL";
+        int anInt = 99;
+
+        try {
+            // Write lambdas out
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            ObjectOutput out = new ObjectOutputStream(baos);
+
+            write(out, z -> "[" + z + "]" );
+            write(out, z -> { String x = z + z; return x + x; } );
+            write(out, T8004969::mm );
+            write(out, z -> (new LSI() { public String convert(String x) { return "*"+x; }} ).convert(z) );
+            write(out, z -> aField + z );
+            write(out, z -> aLocal + z );
+            write(out, z -> z + anInt );
+            out.flush();
+            out.close();
+
+            // Read them back
+            ByteArrayInputStream bais =
+                new ByteArrayInputStream(baos.toByteArray());
+            ObjectInputStream in = new ObjectInputStream(bais);
+            readAssert(in, "[X]");
+            readAssert(in, "XXXX");
+            readAssert(in, "mrefX");
+            readAssert(in, "*X");
+            readAssert(in, "aFX");
+            readAssert(in, "aLX");
+            readAssert(in, "X99");
+            in.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+            throw e;
+        }
+        assertTrue(assertionCount == 7);
+    }
+
+    static void write(ObjectOutput out, LSI lamb) throws IOException {
+        out.writeObject(lamb);
+    }
+
+    static void readAssert(ObjectInputStream in, String expected)  throws IOException, ClassNotFoundException {
+        LSI ls = (LSI) in.readObject();
+        String result = ls.convert("X");
+        System.out.printf("Result: %s\n", result);
+        assertTrue(result.equals(expected));
+    }
+}
+
+interface LSI extends Serializable {
+    String convert(String x);
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/lambda/LambdaInnerTypeVarArgsSerialize.java	Thu Feb 21 14:43:51 2013 -0800
@@ -0,0 +1,80 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8005653
+ * @summary A serialized lambda containing an inner class referencing an external type var in class parameter type
+ * @author  Robert Field
+ * @run main LambdaInnerTypeVarArgsSerialize
+ */
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.ArrayList;
+
+public class LambdaInnerTypeVarArgsSerialize {
+
+    static int assertionCount = 0;
+
+    static void assertTrue(boolean cond) {
+        assertionCount++;
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    interface I extends Serializable {
+        C doit();
+    }
+
+    abstract class C {
+        abstract Object it();
+    }
+
+    class TV {
+        C go() {
+            List<String> ls = new ArrayList<>();
+            ls.add("Oh");
+            ls.add("my");
+            return foo(ls).doit();
+        }
+
+        <RRRRR> I foo(List<RRRRR> r) {
+            return () -> new C() {
+                List<RRRRR> xxxxx = r;
+                @Override
+                    Object it() { return xxxxx; };
+            };
+        }
+    }
+
+    void test1() {
+        assertTrue(((List<String>)(new TV().go().it())).get(0).equals("Oh"));
+    }
+
+    public static void main(String[] args) {
+        LambdaInnerTypeVarArgsSerialize t = new LambdaInnerTypeVarArgsSerialize();
+        t.test1();
+        assertTrue(assertionCount == 1);
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/lambda/LambdaInnerTypeVarSerialize.java	Thu Feb 21 14:43:51 2013 -0800
@@ -0,0 +1,75 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8005653
+ * @summary A serialized lambda containing an inner class referencing an external type var
+ * @author  Robert Field
+ * @run main LambdaInnerTypeVarSerialize
+ */
+
+import java.io.Serializable;
+
+public class LambdaInnerTypeVarSerialize {
+
+    static int assertionCount = 0;
+
+    static void assertTrue(boolean cond) {
+        assertionCount++;
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    interface I extends Serializable {
+        C doit();
+    }
+
+    abstract class C {
+        abstract Object it();
+    }
+
+    class TV {
+        C go() {
+            return foo("Frump").doit();
+        }
+
+        <RRRRR> I foo(RRRRR r) {
+            return () -> new C() {
+                RRRRR xxxxx = r;
+                @Override
+                    Object it() { return xxxxx; };
+            };
+        }
+    }
+
+    void test1() {
+        assertTrue(new TV().go().it().equals("Frump"));
+    }
+
+    public static void main(String[] args) {
+        LambdaInnerTypeVarSerialize t = new LambdaInnerTypeVarSerialize();
+        t.test1();
+        assertTrue(assertionCount == 1);
+    }
+}