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 "jerryscript-port.h"
18 #include "jerryscript-port-default.h"
19 #include "test-common.h"
20
21 int
main(void)22 main (void)
23 {
24 if (!jerry_is_feature_enabled (JERRY_FEATURE_DATAVIEW))
25 {
26 jerry_port_log (JERRY_LOG_LEVEL_ERROR, "DataView support is disabled!\n");
27 return 0;
28 }
29
30 /* DataView builtin requires the TypedArray builtin */
31 TEST_ASSERT (jerry_is_feature_enabled (JERRY_FEATURE_TYPEDARRAY));
32
33 jerry_init (JERRY_INIT_EMPTY);
34
35 /* Test accessors */
36 jerry_value_t arraybuffer = jerry_create_arraybuffer (16);
37 jerry_value_t view1 = jerry_create_dataview (arraybuffer, 0, 16);
38 TEST_ASSERT (!jerry_value_is_error (view1));
39 TEST_ASSERT (jerry_value_is_dataview (view1));
40
41 jerry_length_t byteOffset = 0;
42 jerry_length_t byteLength = 0;;
43 jerry_value_t internal_buffer = jerry_get_dataview_buffer (view1, &byteOffset, &byteLength);
44 TEST_ASSERT (jerry_binary_operation (JERRY_BIN_OP_STRICT_EQUAL, internal_buffer, arraybuffer));
45 TEST_ASSERT (byteOffset == 0);
46 TEST_ASSERT (byteLength == 16);
47 jerry_release_value (internal_buffer);
48
49 jerry_value_t view2 = jerry_create_dataview (arraybuffer, 12, 4);
50 TEST_ASSERT (!jerry_value_is_error (view1));
51 TEST_ASSERT (jerry_value_is_dataview (view2));
52 internal_buffer = jerry_get_dataview_buffer (view2, &byteOffset, &byteLength);
53 TEST_ASSERT (jerry_binary_operation (JERRY_BIN_OP_STRICT_EQUAL, internal_buffer, arraybuffer));
54 TEST_ASSERT (byteOffset == 12);
55 TEST_ASSERT (byteLength == 4);
56 jerry_release_value (internal_buffer);
57
58 /* Test invalid construction */
59 jerry_value_t empty_object = jerry_create_object ();
60 jerry_value_t view3 = jerry_create_dataview (empty_object, 20, 10);
61 TEST_ASSERT (jerry_value_is_error (view3));
62 jerry_value_t error_obj = jerry_get_value_from_error (view3, true);
63 TEST_ASSERT (jerry_get_error_type (error_obj) == JERRY_ERROR_TYPE);
64 jerry_release_value (error_obj);
65 jerry_release_value (empty_object);
66
67 jerry_value_t view4 = jerry_create_dataview (arraybuffer, 20, 10);
68 TEST_ASSERT (jerry_value_is_error (view3));
69 error_obj = jerry_get_value_from_error (view4, true);
70 TEST_ASSERT (jerry_get_error_type (error_obj) == JERRY_ERROR_RANGE);
71 jerry_release_value (error_obj);
72
73 /* Test getting/setting values */
74 jerry_value_t global_obj = jerry_get_global_object ();
75 jerry_value_t view1_str = jerry_create_string ((const jerry_char_t *) "view1");
76 jerry_value_t view2_str = jerry_create_string ((const jerry_char_t *) "view2");
77 TEST_ASSERT (jerry_set_property (global_obj, view1_str, view1));
78 TEST_ASSERT (jerry_set_property (global_obj, view2_str, view2));
79
80 jerry_release_value (view1_str);
81 jerry_release_value (view2_str);
82 jerry_release_value (global_obj);
83
84 const jerry_char_t set_src[] = "view1.setInt16 (12, 255)";
85 TEST_ASSERT (jerry_value_is_undefined (jerry_eval (set_src, sizeof (set_src) - 1, JERRY_PARSE_NO_OPTS)));
86
87 const jerry_char_t get_src[] = "view2.getInt16 (0)";
88 TEST_ASSERT (jerry_get_number_value (jerry_eval (get_src, sizeof (get_src) - 1, JERRY_PARSE_NO_OPTS)) == 255);
89
90 const jerry_char_t get_src_little_endian[] = "view2.getInt16 (0, true)";
91 TEST_ASSERT (jerry_get_number_value (jerry_eval (get_src_little_endian,
92 sizeof (get_src_little_endian) - 1,
93 JERRY_PARSE_NO_OPTS)) == -256);
94
95 /* Cleanup */
96 jerry_release_value (view2);
97 jerry_release_value (view1);
98 jerry_release_value (arraybuffer);
99
100 jerry_cleanup ();
101
102 return 0;
103 } /* main */
104