1 /* Copyright JS Foundation and other contributors, http://js.foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "jerryscript.h"
17 #include "test-common.h"
18
19 static const char instanceof_source[] = "var x = function(o, c) {return (o instanceof c);}; x";
20
21 static jerry_value_t
external_function(const jerry_value_t function_obj,const jerry_value_t this_arg,const jerry_value_t args_p[],const jerry_size_t args_count)22 external_function (const jerry_value_t function_obj,
23 const jerry_value_t this_arg,
24 const jerry_value_t args_p[],
25 const jerry_size_t args_count)
26 {
27 (void) function_obj;
28 (void) this_arg;
29 (void) args_p;
30 (void) args_count;
31
32 return jerry_create_undefined ();
33 } /* external_function */
34
35 static void
test_instanceof(jerry_value_t instanceof,jerry_value_t constructor)36 test_instanceof (jerry_value_t instanceof,
37 jerry_value_t constructor)
38 {
39 jerry_value_t instance = jerry_construct_object (constructor, NULL, 0);
40 jerry_value_t args[2] =
41 {
42 instance, constructor
43 };
44
45 jerry_value_t undefined = jerry_create_undefined ();
46 jerry_value_t result = jerry_call_function (instanceof, undefined, args, 2);
47 jerry_release_value (undefined);
48
49 TEST_ASSERT (!jerry_value_is_error (result));
50 TEST_ASSERT (jerry_value_is_boolean (result));
51
52 TEST_ASSERT (jerry_get_boolean_value (result));
53
54 jerry_release_value (instance);
55 jerry_release_value (result);
56 } /* test_instanceof */
57
58 int
main(void)59 main (void)
60 {
61 jerry_init (JERRY_INIT_EMPTY);
62
63 jerry_value_t instanceof = jerry_eval ((jerry_char_t *) instanceof_source, sizeof (instanceof_source) - 1, true);
64
65 /* Test for a native-backed function. */
66 jerry_value_t constructor = jerry_create_external_function (external_function);
67
68 test_instanceof (instanceof, constructor);
69 jerry_release_value (constructor);
70
71 /* Test for a JS constructor. */
72 jerry_value_t global = jerry_get_global_object ();
73 jerry_value_t object_name = jerry_create_string ((jerry_char_t *) "Object");
74 constructor = jerry_get_property (global, object_name);
75 jerry_release_value (object_name);
76 jerry_release_value (global);
77
78 test_instanceof (instanceof, constructor);
79 jerry_release_value (constructor);
80
81 jerry_release_value (instanceof);
82
83 jerry_cleanup ();
84
85 return 0;
86 } /* main */
87