/**
* Check whether JerryScript has a requested feature enabled or not. If not,
* print a warning message.
*
* @return the status of the feature.
*/
static bool
check_feature (jerry_feature_t feature, /**< feature to check */
const char *option) /**< command line option that triggered this check */
{
if (!jerry_is_feature_enabled (feature))
{
jerry_port_default_set_log_level (JERRY_LOG_LEVEL_WARNING);
jerry_port_log (JERRY_LOG_LEVEL_WARNING, "Ignoring '%s' option because this feature is disabled!\n", option);
return false;
}
return true;
} /* check_feature */
/**
* Convert string into unsigned integer
*
* @return converted number
*/
static uint32_t
str_to_uint (const char *num_str_p) /**< string to convert */
{
assert (jerry_is_feature_enabled (JERRY_FEATURE_ERROR_MESSAGES));
uint32_t result = 0;
while (*num_str_p != '\0')
{
assert (*num_str_p >= '0' && *num_str_p <= '9');
result *= 10;
result += (uint32_t) (*num_str_p - '0');
num_str_p++;
}
return result;
} /* str_to_uint */
/**
* Check whether an error is a SyntaxError or not
*
* @return true - if param is SyntaxError
* false - otherwise
*/
static bool
jerry_value_is_syntax_error (jerry_value_t error_value) /**< error value */
{
assert (jerry_is_feature_enabled (JERRY_FEATURE_ERROR_MESSAGES));
if (!jerry_value_is_object (error_value))
{
return false;
}
jerry_value_t prop_name = jerry_create_string ((const jerry_char_t *)"name");
jerry_value_t error_name = jerry_get_property (error_value, prop_name);
jerry_release_value (prop_name);
if (jerry_value_has_error_flag (error_name)
|| !jerry_value_is_string (error_name))
{
return false;
}
jerry_size_t err_str_size = jerry_get_string_size (error_name);
jerry_char_t err_str_buf[err_str_size];
jerry_size_t sz = jerry_string_to_char_buffer (error_name, err_str_buf, err_str_size);
jerry_release_value (error_name);
if (sz == 0)
{
return false;
}
if (!strcmp ((char *) err_str_buf, "SyntaxError"))
{
return true;
}
return false;
} /* jerry_value_is_syntax_error */
/**
* Print error value
*/
static void
print_unhandled_exception (jerry_value_t error_value, /**< error value */
const jerry_char_t *source_p) /**< source_p */
{
assert (jerry_value_has_error_flag (error_value));
jerry_value_clear_error_flag (&error_value);
jerry_value_t err_str_val = jerry_value_to_string (error_value);
jerry_size_t err_str_size = jerry_get_string_size (err_str_val);
jerry_char_t err_str_buf[256];
if (err_str_size >= 256)
{
const char msg[] = "[Error message too long]";
err_str_size = sizeof (msg) / sizeof (char) - 1;
memcpy (err_str_buf, msg, err_str_size);
}
else
{
jerry_size_t sz = jerry_string_to_char_buffer (err_str_val, err_str_buf, err_str_size);
assert (sz == err_str_size);
err_str_buf[err_str_size] = 0;
if (jerry_is_feature_enabled (JERRY_FEATURE_ERROR_MESSAGES) && jerry_value_is_syntax_error (error_value))
{
unsigned int err_line = 0;
unsigned int err_col = 0;
/* 1. parse column and line information */
for (jerry_size_t i = 0; i < sz; i++)
{
if (!strncmp ((char *) (err_str_buf + i), "[line: ", 7))
{
i += 7;
char num_str[8];
unsigned int j = 0;
while (i < sz && err_str_buf[i] != ',')
{
num_str[j] = (char) err_str_buf[i];
j++;
i++;
}
num_str[j] = '\0';
err_line = (unsigned int) strtol (num_str, NULL, 10);
if (strncmp ((char *) (err_str_buf + i), ", column: ", 10))
{
break; /* wrong position info format */
}
i += 10;
j = 0;
while (i < sz && err_str_buf[i] != ']')
{
num_str[j] = (char) err_str_buf[i];
j++;
i++;
}
num_str[j] = '\0';
err_col = (unsigned int) strtol (num_str, NULL, 10);
break;
}
} /* for */
if (err_line != 0 && err_col != 0)
{
unsigned int curr_line = 1;
bool is_printing_context = false;
unsigned int pos = 0;
/* 2. seek and print */
while (source_p[pos] != '\0')
{
if (source_p[pos] == '\n')
{
curr_line++;
}
if (err_line < SYNTAX_ERROR_CONTEXT_SIZE
|| (err_line >= curr_line
&& (err_line - curr_line) <= SYNTAX_ERROR_CONTEXT_SIZE))
{
/* context must be printed */
is_printing_context = true;
}
if (curr_line > err_line)
{
break;
}
if (is_printing_context)
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "%c", source_p[pos]);
}
pos++;
}
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "\n");
while (--err_col)
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "~");
}
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "^\n");
}
}
}
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Script Error: %s\n", err_str_buf);
jerry_release_value (err_str_val);
} /* print_unhandled_exception */
int
main (void)
{
jerry_init (JERRY_INIT_EMPTY);
if (!jerry_is_feature_enabled (JERRY_FEATURE_TYPEDARRAY))
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "ArrayBuffer is disabled!\n");
jerry_cleanup ();
return 0;
}
jerry_value_t function_val = jerry_create_external_function (assert_handler);
register_js_value ("assert", function_val);
jerry_release_value (function_val);
/* Test array buffer queries */
{
const char *eval_arraybuffer_src_p = "new ArrayBuffer (10)";
jerry_value_t eval_arraybuffer = jerry_eval ((jerry_char_t *) eval_arraybuffer_src_p,
strlen (eval_arraybuffer_src_p),
true);
TEST_ASSERT (!jerry_value_is_error (eval_arraybuffer));
TEST_ASSERT (jerry_value_is_arraybuffer (eval_arraybuffer));
TEST_ASSERT (jerry_get_arraybuffer_byte_length (eval_arraybuffer) == 10);
jerry_release_value (eval_arraybuffer);
}
/* Test array buffer creation */
{
const uint32_t length = 15;
jerry_value_t arraybuffer = jerry_create_arraybuffer (length);
TEST_ASSERT (!jerry_value_is_error (arraybuffer));
TEST_ASSERT (jerry_value_is_arraybuffer (arraybuffer));
TEST_ASSERT (jerry_get_arraybuffer_byte_length (arraybuffer) == length);
jerry_release_value (arraybuffer);
}
/* Test array buffer read operations */
for (uint8_t i = 0; i < 15; i++)
{
test_read_with_offset (i);
}
/* Test zero length ArrayBuffer read */
{
const uint32_t length = 0;
jerry_value_t arraybuffer = jerry_create_arraybuffer (length);
TEST_ASSERT (!jerry_value_is_error (arraybuffer));
TEST_ASSERT (jerry_value_is_arraybuffer (arraybuffer));
TEST_ASSERT (jerry_get_arraybuffer_byte_length (arraybuffer) == length);
uint8_t data[20];
memset (data, 11, 20);
jerry_length_t bytes_read = jerry_arraybuffer_read (arraybuffer, 0, data, 20);
TEST_ASSERT (bytes_read == 0);
for (int i = 0; i < 20; i++)
{
TEST_ASSERT (data[i] == 11);
}
jerry_release_value (arraybuffer);
}
/* Test array buffer write operations */
for (uint8_t i = 0; i < 15; i++)
{
test_write_with_offset (i);
}
/* Test zero length ArrayBuffer write */
{
const uint32_t length = 0;
jerry_value_t arraybuffer = jerry_create_arraybuffer (length);
TEST_ASSERT (!jerry_value_is_error (arraybuffer));
TEST_ASSERT (jerry_value_is_arraybuffer (arraybuffer));
TEST_ASSERT (jerry_get_arraybuffer_byte_length (arraybuffer) == length);
uint8_t data[20];
memset (data, 11, 20);
jerry_length_t bytes_written = jerry_arraybuffer_write (arraybuffer, 0, data, 20);
TEST_ASSERT (bytes_written == 0);
jerry_release_value (arraybuffer);
}
/* Test ArrayBuffer with buffer allocated externally */
{
const uint32_t buffer_size = 15;
const uint8_t base_value = 51;
uint8_t buffer_p[buffer_size];
memset (buffer_p, base_value, buffer_size);
jerry_value_t arrayb = jerry_create_arraybuffer_external (buffer_size, buffer_p, test_free_cb);
uint8_t new_value = 123;
jerry_length_t copied = jerry_arraybuffer_write (arrayb, 0, &new_value, 1);
TEST_ASSERT (copied == 1);
TEST_ASSERT (buffer_p[0] == new_value);
TEST_ASSERT (jerry_get_arraybuffer_byte_length (arrayb) == buffer_size);
for (uint32_t i = 1; i < buffer_size; i++)
{
TEST_ASSERT (buffer_p[i] == base_value);
}
uint8_t test_buffer[buffer_size];
jerry_length_t read = jerry_arraybuffer_read (arrayb, 0, test_buffer, buffer_size);
TEST_ASSERT (read == buffer_size);
TEST_ASSERT (test_buffer[0] == new_value);
for (uint32_t i = 1; i < buffer_size; i++)
{
TEST_ASSERT (test_buffer[i] == base_value);
}
TEST_ASSERT (jerry_value_is_arraybuffer (arrayb));
jerry_release_value (arrayb);
}
/* Test ArrayBuffer external memory map/unmap */
{
const uint32_t buffer_size = 20;
uint8_t buffer_p[buffer_size];
{
jerry_value_t input_buffer = jerry_create_arraybuffer_external (buffer_size, buffer_p, NULL);
register_js_value ("input_buffer", input_buffer);
jerry_release_value (input_buffer);
}
const char *eval_arraybuffer_src_p = (
"var array = new Uint8Array(input_buffer);"
"for (var i = 0; i < array.length; i++)"
"{"
" array[i] = i * 2;"
"};"
"array.buffer");
jerry_value_t buffer = jerry_eval ((jerry_char_t *) eval_arraybuffer_src_p,
strlen (eval_arraybuffer_src_p),
true);
TEST_ASSERT (!jerry_value_is_error (buffer));
TEST_ASSERT (jerry_value_is_arraybuffer (buffer));
TEST_ASSERT (jerry_get_arraybuffer_byte_length (buffer) == 20);
uint8_t *const data = jerry_get_arraybuffer_pointer (buffer);
/* test memory read */
for (int i = 0; i < 20; i++)
{
TEST_ASSERT (data[i] == (uint8_t) (i * 2));
}
/* "upload" new data */
double sum = 0;
for (int i = 0; i < 20; i++)
{
data[i] = (uint8_t)(i * 3);
sum += data[i];
}
jerry_release_value (buffer);
const char *eval_test_arraybuffer_p = (
"var sum = 0;"
"for (var i = 0; i < array.length; i++)"
"{"
" var expected = i * 3;"
" assert(array[i] == expected, 'Array at index ' + i + ' was: ' + array[i] + ' should be: ' + expected);"
" sum += array[i]"
"};"
"sum");
jerry_value_t res = jerry_eval ((jerry_char_t *) eval_test_arraybuffer_p,
strlen (eval_test_arraybuffer_p),
true);
TEST_ASSERT (jerry_value_is_number (res));
TEST_ASSERT (jerry_get_number_value (res) == sum);
jerry_release_value (res);
jerry_release_value (buffer);
}
/* Test ArrayBuffer external with invalid arguments */
{
jerry_value_t input_buffer = jerry_create_arraybuffer_external (0, NULL, NULL);
TEST_ASSERT (jerry_value_is_error (input_buffer));
TEST_ASSERT (jerry_get_error_type (input_buffer) == JERRY_ERROR_RANGE);
jerry_release_value (input_buffer);
}
jerry_cleanup ();
TEST_ASSERT (callback_called == true);
return 0;
} /* main */
int
main (void)
{
TEST_INIT ();
jerry_init (JERRY_INIT_EMPTY);
const jerry_char_t test_eval_function[] = "function demo(a) { return a + 1; }; demo";
test_entry_t entries[] =
{
ENTRY (JERRY_TYPE_NUMBER, jerry_create_number (-33.0)),
ENTRY (JERRY_TYPE_NUMBER, jerry_create_number (3)),
ENTRY (JERRY_TYPE_NUMBER, jerry_create_number_nan ()),
ENTRY (JERRY_TYPE_NUMBER, jerry_create_number_infinity (false)),
ENTRY (JERRY_TYPE_NUMBER, jerry_create_number_infinity (true)),
ENTRY (JERRY_TYPE_BOOLEAN, jerry_create_boolean (true)),
ENTRY (JERRY_TYPE_BOOLEAN, jerry_create_boolean (false)),
ENTRY (JERRY_TYPE_UNDEFINED, jerry_create_undefined ()),
ENTRY (JERRY_TYPE_OBJECT, jerry_create_object ()),
ENTRY (JERRY_TYPE_OBJECT, jerry_create_array (10)),
ENTRY (JERRY_TYPE_ERROR, jerry_create_error (JERRY_ERROR_TYPE, (const jerry_char_t *) "error")),
ENTRY (JERRY_TYPE_NULL, jerry_create_null ()),
ENTRY (JERRY_TYPE_FUNCTION, jerry_eval (test_eval_function,
sizeof (test_eval_function) - 1,
JERRY_PARSE_NO_OPTS)),
ENTRY (JERRY_TYPE_FUNCTION, jerry_create_external_function (test_ext_function)),
ENTRY (JERRY_TYPE_STRING, jerry_create_string (test_eval_function)),
ENTRY (JERRY_TYPE_STRING, jerry_create_string ((jerry_char_t *) "")),
};
for (size_t idx = 0; idx < sizeof (entries) / sizeof (entries[0]); idx++)
{
jerry_type_t type_info = jerry_value_get_type (entries[idx].value);
TEST_ASSERT (type_info != JERRY_TYPE_NONE);
TEST_ASSERT (type_info == entries[idx].type_info);
jerry_release_value (entries[idx].value);
}
if (jerry_is_feature_enabled (JERRY_FEATURE_SYMBOL))
{
jerry_value_t symbol_desc_value = jerry_create_string ((jerry_char_t *) "foo");
jerry_value_t symbol_value = jerry_create_symbol (symbol_desc_value);
jerry_type_t type_info = jerry_value_get_type (symbol_value);
TEST_ASSERT (type_info != JERRY_TYPE_NONE);
TEST_ASSERT (type_info == JERRY_TYPE_SYMBOL);
jerry_release_value (symbol_value);
jerry_release_value (symbol_desc_value);
}
jerry_cleanup ();
return 0;
} /* main */