Add API test for duk_get_refcount()

api-testcases/test-get-refcount.c

@@ -0,0 +1,44 @@
+/*
+ *  duk_get_refcount()
+ */
+
+/*===
+*** test_1 (duk_safe_call)
+-6: valid_index=0 refcount 0
+-5: valid_index=1 refcount 0
+-4: valid_index=1 refcount 0
+-3: valid_index=1 refcount 0
+-2: valid_index=1 refcount 1
+-1: valid_index=1 refcount 1
+0: valid_index=1 refcount 0
+1: valid_index=1 refcount 0
+2: valid_index=1 refcount 0
+3: valid_index=1 refcount 1
+4: valid_index=1 refcount 1
+5: valid_index=0 refcount 0
+==> rc=0, result='undefined'
+===*/
+
+static duk_ret_t test_1(duk_context *ctx) {
+	duk_idx_t i, n;
+
+	duk_push_undefined(ctx);
+	duk_push_null(ctx);
+	duk_push_number(ctx, 123.0);
+	duk_push_string(ctx, "dummy string");
+	duk_push_object(ctx);
+
+	/* Test both negative and positive indexes, and off by one to also
+	 * test invalid indices too.
+	 */
+	n = duk_get_top(ctx) + 1;
+	for (i = -n; i < n; i++) {
+		printf("%ld: valid_index=%d refcount %ld\n", (long) i, (int) duk_is_valid_index(ctx, i), (long) duk_get_refcount(ctx, i));
+	}
+
+	return 0;
+}
+
+void test(duk_context *ctx) {
+	TEST_SAFE_CALL(test_1);
+}