jerryscript/tests/unit-core/test-backtrace.c
Zoltan Herczeg 7be9f91d22 Reverse the generation of line info. (#2363)
JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
2018-05-30 19:57:12 +09:00

260 lines
7.9 KiB
C

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include "jerryscript.h"
#include "test-common.h"
static jerry_value_t
backtrace_handler (const jerry_value_t function_obj, /**< function object */
const jerry_value_t this_val, /**< this value */
const jerry_value_t args_p[], /**< argument list */
const jerry_length_t args_count) /**< argument count */
{
JERRY_UNUSED (function_obj);
JERRY_UNUSED (this_val);
uint32_t max_depth = 0;
if (args_count > 0 && jerry_value_is_number (args_p[0]))
{
max_depth = (uint32_t) jerry_get_number_value (args_p[0]);
}
return jerry_get_backtrace (max_depth);
} /* backtrace_handler */
static jerry_value_t
run (const char *resource_name_p, /**< resource name */
const char *source_p) /**< source code */
{
jerry_value_t code = jerry_parse ((const jerry_char_t *) resource_name_p,
strlen (resource_name_p),
(const jerry_char_t *) source_p,
strlen (source_p),
JERRY_PARSE_NO_OPTS);
TEST_ASSERT (!jerry_value_is_error (code));
jerry_value_t result = jerry_run (code);
jerry_release_value (code);
return result;
} /* run */
static void
compare (jerry_value_t array, /**< array */
uint32_t index, /**< item index */
const char *str) /**< string to compare */
{
jerry_char_t buf[64];
size_t len = strlen (str);
TEST_ASSERT (len < sizeof (buf));
jerry_value_t value = jerry_get_property_by_index (array, index);
TEST_ASSERT (!jerry_value_is_error (value)
&& jerry_value_is_string (value));
TEST_ASSERT (jerry_get_string_size (value) == len);
jerry_size_t str_len = jerry_string_to_char_buffer (value, buf, (jerry_size_t) len);
TEST_ASSERT (str_len == len);
jerry_release_value (value);
TEST_ASSERT (memcmp (buf, str, len) == 0);
} /* compare */
static void
test_get_backtrace_api_call (void)
{
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t global = jerry_get_global_object ();
jerry_value_t func = jerry_create_external_function (backtrace_handler);
jerry_value_t name = jerry_create_string ((const jerry_char_t *) "backtrace");
jerry_value_t result = jerry_set_property (global, name, func);
TEST_ASSERT (!jerry_value_is_error (result));
jerry_release_value (result);
jerry_release_value (name);
jerry_release_value (func);
jerry_release_value (global);
const char *source = ("function f() {\n"
" return backtrace(0);\n"
"}\n"
"\n"
"function g() {\n"
" return f();\n"
"}\n"
"\n"
"function h() {\n"
" return g();\n"
"}\n"
"\n"
"h();\n");
jerry_value_t backtrace = run ("something.js", source);
TEST_ASSERT (!jerry_value_is_error (backtrace)
&& jerry_value_is_array (backtrace));
TEST_ASSERT (jerry_get_array_length (backtrace) == 4);
compare (backtrace, 0, "something.js:2");
compare (backtrace, 1, "something.js:6");
compare (backtrace, 2, "something.js:10");
compare (backtrace, 3, "something.js:13");
jerry_release_value (backtrace);
/* Depth set to 2 this time. */
source = ("function f() {\n"
" return backtrace(2);\n"
"}\n"
"\n"
"function g() {\n"
" return f();\n"
"}\n"
"\n"
"function h() {\n"
" return g();\n"
"}\n"
"\n"
"h();\n");
backtrace = run ("something_else.js", source);
TEST_ASSERT (!jerry_value_is_error (backtrace)
&& jerry_value_is_array (backtrace));
TEST_ASSERT (jerry_get_array_length (backtrace) == 2);
compare (backtrace, 0, "something_else.js:2");
compare (backtrace, 1, "something_else.js:6");
jerry_release_value (backtrace);
jerry_cleanup ();
} /* test_get_backtrace_api_call */
static void
test_exception_backtrace (void)
{
jerry_init (JERRY_INIT_EMPTY);
const char *source = ("function f() {\n"
" undef_reference;\n"
"}\n"
"\n"
"function g() {\n"
" return f();\n"
"}\n"
"\n"
"g();\n");
jerry_value_t error = run ("bad.js", source);
TEST_ASSERT (jerry_value_is_error (error));
error = jerry_get_value_from_error (error, true);
TEST_ASSERT (jerry_value_is_object (error));
jerry_value_t name = jerry_create_string ((const jerry_char_t *) "stack");
jerry_value_t backtrace = jerry_get_property (error, name);
jerry_release_value (name);
jerry_release_value (error);
TEST_ASSERT (!jerry_value_is_error (backtrace)
&& jerry_value_is_array (backtrace));
TEST_ASSERT (jerry_get_array_length (backtrace) == 3);
compare (backtrace, 0, "bad.js:2");
compare (backtrace, 1, "bad.js:6");
compare (backtrace, 2, "bad.js:9");
jerry_release_value (backtrace);
jerry_cleanup ();
} /* test_exception_backtrace */
static void
test_large_line_count (void)
{
jerry_init (JERRY_INIT_EMPTY);
const char *source = ("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
"g();\n");
jerry_value_t error = run ("bad.js", source);
TEST_ASSERT (jerry_value_is_error (error));
error = jerry_get_value_from_error (error, true);
TEST_ASSERT (jerry_value_is_object (error));
jerry_value_t name = jerry_create_string ((const jerry_char_t *) "stack");
jerry_value_t backtrace = jerry_get_property (error, name);
jerry_release_value (name);
jerry_release_value (error);
TEST_ASSERT (!jerry_value_is_error (backtrace)
&& jerry_value_is_array (backtrace));
TEST_ASSERT (jerry_get_array_length (backtrace) == 1);
compare (backtrace, 0, "bad.js:385");
jerry_release_value (backtrace);
jerry_cleanup ();
} /* test_large_line_count */
int
main (void)
{
TEST_INIT ();
TEST_ASSERT (jerry_is_feature_enabled (JERRY_FEATURE_LINE_INFO));
test_get_backtrace_api_call ();
test_exception_backtrace ();
test_large_line_count ();
return 0;
} /* main */