commit ca343fd62834f3ff74f4b3ea59cdc90a38eb083a
author Søren Gjesse <sgjesse@google.com> Tue Dec 20 16:22:00 2022 +0100
committer Søren Gjesse <sgjesse@google.com> Wed Dec 21 13:07:23 2022 +0000
tree e891f24d59f96aa1a22a5dc3f7464d36ed81dec9
parent b87de89a99832ff7ea373f673a89768193074c09

VarHandle desugar: Better handling of polymorphic return types

Bug: b/247076137
Change-Id: If14311abf0e2fe40a28f09dd0168a37d8523b6ba

src/test/examplesJava9/varhandle/InstanceLongField.java

diff --git a/src/test/examplesJava9/varhandle/InstanceLongField.java b/src/test/examplesJava9/varhandle/InstanceLongField.java
index fac0ef3..b23e692 100644
--- a/src/test/examplesJava9/varhandle/InstanceLongField.java
+++ b/src/test/examplesJava9/varhandle/InstanceLongField.java
@@ -18,6 +18,55 @@
     throw e;
   }
 
+  public static void testGet(VarHandle varHandle) {
+    System.out.println("testGet");
+
+    InstanceLongField instance = new InstanceLongField();
+    varHandle.set(instance, 1L);
+
+    System.out.println(varHandle.get(instance));
+    System.out.println((Object) varHandle.get(instance));
+    System.out.println((long) varHandle.get(instance));
+    System.out.println((float) varHandle.get(instance));
+    System.out.println((double) varHandle.get(instance));
+    try {
+      System.out.println((boolean) varHandle.get(instance));
+      System.out.println("Unexpected success");
+    } catch (RuntimeException e) {
+      checkJavaLangInvokeWrongMethodTypeException(e);
+    }
+    try {
+      System.out.println((byte) varHandle.get(instance));
+      System.out.println("Unexpected success");
+    } catch (RuntimeException e) {
+      checkJavaLangInvokeWrongMethodTypeException(e);
+    }
+    try {
+      System.out.println((short) varHandle.get(instance));
+      System.out.println("Unexpected success");
+    } catch (RuntimeException e) {
+      checkJavaLangInvokeWrongMethodTypeException(e);
+    }
+    try {
+      System.out.println((char) varHandle.get(instance));
+      System.out.println("Unexpected success");
+    } catch (RuntimeException e) {
+      checkJavaLangInvokeWrongMethodTypeException(e);
+    }
+    try {
+      System.out.println((int) varHandle.get(instance));
+      System.out.println("Unexpected success 5");
+    } catch (RuntimeException e) {
+      checkJavaLangInvokeWrongMethodTypeException(e);
+    }
+    try {
+      System.out.println((String) varHandle.get(instance));
+      System.out.println("Unexpected success");
+    } catch (RuntimeException e) {
+      checkJavaLangInvokeWrongMethodTypeException(e);
+    }
+  }
+
   public static void testSet(VarHandle varHandle) {
     System.out.println("testSet");
 
@@ -187,6 +236,7 @@
   public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException {
     VarHandle varHandle =
         MethodHandles.lookup().findVarHandle(InstanceLongField.class, "field", long.class);
+    testGet(varHandle);
     testSet(varHandle);
     testCompareAndSet(varHandle);
   }