checkpoint object handle composition

2 files changed, 30 insertions, 0 deletions

diff --git a/src/embind/embind.js b/src/embind/embind.js
index 988526b4..78f54e31 100755
--- a/src/embind/embind.js
+++ b/src/embind/embind.js
@@ -1054,6 +1054,16 @@ function getInstanceTypeName(handle) {
     return handle.$$.ptrType.registeredClass.name;
 }
 
+ClassHandle.prototype.isAliasOf = function(other) {
+    if (!(this instanceof ClassHandle)) {
+        return false;
+    }
+    if (!(other instanceof ClassHandle)) {
+        return false;
+    }
+    return this.$$.ptr == other.$$.ptr;
+}
+
 ClassHandle.prototype.clone = function() {
     if (!this.$$.ptr) {
         throwBindingError(getInstanceTypeName(this) + ' instance already deleted');
diff --git a/tests/embind/embind.test.js b/tests/embind/embind.test.js
index 8ef46ad8..812c3b8b 100755
--- a/tests/embind/embind.test.js
+++ b/tests/embind/embind.test.js
@@ -1682,6 +1682,26 @@ module({
         assert.deepEqual([1, 2, 3, 4], cm.VALUE_TUPLE_CONSTANT);
         assert.deepEqual({x:1,y:2,z:3,w:4}, cm.VALUE_STRUCT_CONSTANT);
     });
+
+    BaseFixture.extend("object handle comparison", function() {
+        var e = new cm.ValHolder("foo");
+        var f = new cm.ValHolder("foo");
+        assert.false(e.isAliasOf(undefined));
+        assert.false(e.isAliasOf(10));
+        assert.true(e.isAliasOf(e));
+        assert.false(e.isAliasOf(f));
+        assert.false(f.isAliasOf(e));
+        e.delete();
+        f.delete();
+    });
+
+    BaseFixture.extend("smart pointers compare with raw", function() {
+        // todo
+    });
+
+    BaseFixture.extend("derived-with-offset types compare with base", function() {
+        // todo
+    });
 });
 
 /* global run_all_tests */