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/* 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 "jerryscript.h"
#include "config.h"
#include "test-common.h"
static jerry_value_t
vm_exec_stop_callback (void *user_p)
{
int *int_p = (int *) user_p;
if (*int_p > 0)
{
(*int_p)--;
return jerry_create_undefined ();
}
return jerry_create_string ((const jerry_char_t *) "Abort script");
} /* vm_exec_stop_callback */
int
main (void)
{
TEST_INIT ();
/* Test stopping an infinite loop. */
if (!jerry_is_feature_enabled (JERRY_FEATURE_VM_EXEC_STOP))
{
return 0;
}
jerry_init (JERRY_INIT_EMPTY);
int countdown = 6;
jerry_set_vm_exec_stop_callback (vm_exec_stop_callback, &countdown, 16);
const jerry_char_t inf_loop_code_src1[] = "while(true) {}";
jerry_value_t parsed_code_val = jerry_parse (inf_loop_code_src1, sizeof (inf_loop_code_src1) - 1, NULL);
TEST_ASSERT (!jerry_value_is_error (parsed_code_val));
jerry_value_t res = jerry_run (parsed_code_val);
TEST_ASSERT (countdown == 0);
TEST_ASSERT (jerry_value_is_error (res));
jerry_release_value (res);
jerry_release_value (parsed_code_val);
/* A more complex example. Although the callback error is captured
* by the catch block, it is automatically thrown again. */
/* We keep the callback function, only the countdown is reset. */
countdown = 6;
const jerry_char_t inf_loop_code_src2[] = TEST_STRING_LITERAL ("function f() { while (true) ; }\n"
"try { f(); } catch(e) {}");
parsed_code_val = jerry_parse (inf_loop_code_src2, sizeof (inf_loop_code_src2) - 1, NULL);
TEST_ASSERT (!jerry_value_is_error (parsed_code_val));
res = jerry_run (parsed_code_val);
TEST_ASSERT (countdown == 0);
/* The result must have an error flag which proves that
* the error is thrown again inside the catch block. */
TEST_ASSERT (jerry_value_is_error (res));
jerry_release_value (res);
jerry_release_value (parsed_code_val);
jerry_cleanup ();
return 0;
} /* main */
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