Add `as3_object_enumeration` and `as3_class_enumeration` tests.

The former tests iterating normal objects and the latter tests iterating objects with prototypes.

core/tests/regression_tests.rs

@@ -238,6 +238,8 @@ swf_tests! {
     (as3_es4_method_binding, "avm2/es4_method_binding", 1),
     (as3_control_flow_bool, "avm2/control_flow_bool", 1),
     (as3_control_flow_stricteq, "avm2/control_flow_stricteq", 1),
+    (as3_object_enumeration, "avm2/object_enumeration", 1),
+    (as3_class_enumeration, "avm2/class_enumeration", 1),
 }
 
 // TODO: These tests have some inaccuracies currently, so we use approx_eq to test that numeric values are close enough.

core/tests/swfs/avm2/class_enumeration/Test.as

@@ -0,0 +1,17 @@
+package {
+	public class Test {}
+}
+
+dynamic class ES4Class {
+	public var variable = "TEST FAIL: Trait properties are NOT enumerable! (var)";
+	public const constant = "TEST FAIL: Trait properties are NOT enumerable! (const)";
+}
+
+var x = new ES4Class();
+x.dynamic_variable = "variable value";
+ES4Class.prototype.dynamic_prototype_variable = "prototype value";
+
+for (var name in x) {
+	trace(name);
+	trace(x[name]);
+}

core/tests/swfs/avm2/class_enumeration/output.txt

@@ -0,0 +1,4 @@
+dynamic_variable
+variable value
+dynamic_prototype_variable
+prototype value

core/tests/swfs/avm2/object_enumeration/Test.as

@@ -0,0 +1,10 @@
+package {
+	public class Test {}
+}
+
+var x = {"key": "value"};
+
+for (var name in x) {
+	trace(name);
+	trace(x[name]);
+}

core/tests/swfs/avm2/object_enumeration/output.txt

@@ -0,0 +1,2 @@
+key
+value