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#include <gtest/gtest.h>
21
22class DataViewTest : public testing::Test{
23public:
24    static void SetUpTestCase()
25    {
26        GTEST_LOG_(INFO) << "DataViewTest SetUpTestCase";
27    }
28
29    static void TearDownTestCase()
30    {
31        GTEST_LOG_(INFO) << "DataViewTest TearDownTestCase";
32    }
33
34    void SetUp() override {}
35    void TearDown() override {}
36
37};
38
39static constexpr size_t JERRY_SCRIPT_MEM_SIZE = 50 * 1024 * 1024;
40static void* context_alloc_fn(size_t size, void* cb_data)
41{
42    (void)cb_data;
43    size_t newSize = size > JERRY_SCRIPT_MEM_SIZE ? JERRY_SCRIPT_MEM_SIZE : size;
44    return malloc(newSize);
45}
46
47HWTEST_F(DataViewTest, Test001, testing::ext::TestSize.Level1)
48{
49  if (!jerry_is_feature_enabled (JERRY_FEATURE_DATAVIEW))
50  {
51    jerry_port_log (JERRY_LOG_LEVEL_ERROR, "DataView support is disabled!\n");
52  }
53  else{
54    jerry_context_t *ctx_p = jerry_create_context (1024, context_alloc_fn, NULL);
55    jerry_port_default_set_current_context (ctx_p);
56    /* DataView builtin requires the TypedArray builtin */
57  TEST_ASSERT (jerry_is_feature_enabled (JERRY_FEATURE_TYPEDARRAY));
58
59  jerry_init (JERRY_INIT_EMPTY);
60
61  /* Test accessors */
62  jerry_value_t arraybuffer = jerry_create_arraybuffer (16);
63  jerry_value_t view1 = jerry_create_dataview (arraybuffer, 0, 16);
64  TEST_ASSERT (!jerry_value_is_error (view1));
65  TEST_ASSERT (jerry_value_is_dataview (view1));
66
67  jerry_length_t byteOffset = 0;
68  jerry_length_t byteLength = 0;;
69  jerry_value_t internal_buffer = jerry_get_dataview_buffer (view1, &byteOffset, &byteLength);
70  TEST_ASSERT (jerry_binary_operation (JERRY_BIN_OP_STRICT_EQUAL, internal_buffer, arraybuffer));
71  TEST_ASSERT (byteOffset == 0);
72  TEST_ASSERT (byteLength == 16);
73  jerry_release_value (internal_buffer);
74
75  jerry_value_t view2 = jerry_create_dataview (arraybuffer, 12, 4);
76  TEST_ASSERT (!jerry_value_is_error (view1));
77  TEST_ASSERT (jerry_value_is_dataview (view2));
78  internal_buffer = jerry_get_dataview_buffer (view2, &byteOffset, &byteLength);
79  TEST_ASSERT (jerry_binary_operation (JERRY_BIN_OP_STRICT_EQUAL, internal_buffer, arraybuffer));
80  TEST_ASSERT (byteOffset == 12);
81  TEST_ASSERT (byteLength == 4);
82  jerry_release_value (internal_buffer);
83
84  /* Test invalid construction */
85  jerry_value_t empty_object = jerry_create_object ();
86  jerry_value_t view3 = jerry_create_dataview (empty_object, 20, 10);
87  TEST_ASSERT (jerry_value_is_error (view3));
88  jerry_value_t error_obj = jerry_get_value_from_error (view3, true);
89  TEST_ASSERT (jerry_get_error_type (error_obj) == JERRY_ERROR_TYPE);
90  jerry_release_value (error_obj);
91  jerry_release_value (empty_object);
92
93  jerry_value_t view4 = jerry_create_dataview (arraybuffer, 20, 10);
94  TEST_ASSERT (jerry_value_is_error (view3));
95  error_obj = jerry_get_value_from_error (view4, true);
96  TEST_ASSERT (jerry_get_error_type (error_obj) == JERRY_ERROR_RANGE);
97  jerry_release_value (error_obj);
98
99  /* Test getting/setting values */
100  jerry_value_t global_obj = jerry_get_global_object ();
101  jerry_value_t view1_str = jerry_create_string ((const jerry_char_t *) "view1");
102  jerry_value_t view2_str = jerry_create_string ((const jerry_char_t *) "view2");
103  TEST_ASSERT (jerry_set_property (global_obj, view1_str, view1));
104  TEST_ASSERT (jerry_set_property (global_obj, view2_str, view2));
105
106  jerry_release_value (view1_str);
107  jerry_release_value (view2_str);
108  jerry_release_value (global_obj);
109
110  const jerry_char_t set_src[] = "view1.setInt16 (12, 255)";
111  TEST_ASSERT (jerry_value_is_undefined (jerry_eval (set_src, sizeof (set_src) - 1, JERRY_PARSE_NO_OPTS)));
112
113  const jerry_char_t get_src[] = "view2.getInt16 (0)";
114  TEST_ASSERT (jerry_get_number_value (jerry_eval (get_src, sizeof (get_src) - 1, JERRY_PARSE_NO_OPTS)) == 255);
115
116  const jerry_char_t get_src_little_endian[] = "view2.getInt16 (0, true)";
117  TEST_ASSERT (jerry_get_number_value (jerry_eval (get_src_little_endian,
118                                                   sizeof (get_src_little_endian) - 1,
119                                                   JERRY_PARSE_NO_OPTS)) == -256);
120
121  /* Cleanup */
122  jerry_release_value (view2);
123  jerry_release_value (view1);
124  jerry_release_value (arraybuffer);
125
126  jerry_cleanup ();
127  free (ctx_p);
128  }
129}
130