node/test/js-native-api/test_string/test_string.c
Anthony Tuininga 914d908359
n-api: improve performance creating strings
Improve performance creating strings using N-API by ensuring that the
strings are not internalized.

Added test cases for latin-1 and utf-16 strings.

PR-URL: https://github.com/nodejs/node/pull/26439
Fixes: https://github.com/nodejs/node/issues/26437
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2019-03-09 00:21:50 +01:00

267 lines
7.7 KiB
C

#include <limits.h> // INT_MAX
#include <js_native_api.h>
#include "../common.h"
static napi_value TestLatin1(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
char buffer[128];
size_t buffer_size = 128;
size_t copied;
NAPI_CALL(env,
napi_get_value_string_latin1(env, args[0], buffer, buffer_size, &copied));
napi_value output;
NAPI_CALL(env, napi_create_string_latin1(env, buffer, copied, &output));
return output;
}
static napi_value TestUtf8(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
char buffer[128];
size_t buffer_size = 128;
size_t copied;
NAPI_CALL(env,
napi_get_value_string_utf8(env, args[0], buffer, buffer_size, &copied));
napi_value output;
NAPI_CALL(env, napi_create_string_utf8(env, buffer, copied, &output));
return output;
}
static napi_value TestUtf16(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
char16_t buffer[128];
size_t buffer_size = 128;
size_t copied;
NAPI_CALL(env,
napi_get_value_string_utf16(env, args[0], buffer, buffer_size, &copied));
napi_value output;
NAPI_CALL(env, napi_create_string_utf16(env, buffer, copied, &output));
return output;
}
static napi_value
TestLatin1Insufficient(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
char buffer[4];
size_t buffer_size = 4;
size_t copied;
NAPI_CALL(env,
napi_get_value_string_latin1(env, args[0], buffer, buffer_size, &copied));
napi_value output;
NAPI_CALL(env, napi_create_string_latin1(env, buffer, copied, &output));
return output;
}
static napi_value TestUtf8Insufficient(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
char buffer[4];
size_t buffer_size = 4;
size_t copied;
NAPI_CALL(env,
napi_get_value_string_utf8(env, args[0], buffer, buffer_size, &copied));
napi_value output;
NAPI_CALL(env, napi_create_string_utf8(env, buffer, copied, &output));
return output;
}
static napi_value TestUtf16Insufficient(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
char16_t buffer[4];
size_t buffer_size = 4;
size_t copied;
NAPI_CALL(env,
napi_get_value_string_utf16(env, args[0], buffer, buffer_size, &copied));
napi_value output;
NAPI_CALL(env, napi_create_string_utf16(env, buffer, copied, &output));
return output;
}
static napi_value Utf16Length(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
size_t length;
NAPI_CALL(env, napi_get_value_string_utf16(env, args[0], NULL, 0, &length));
napi_value output;
NAPI_CALL(env, napi_create_uint32(env, (uint32_t)length, &output));
return output;
}
static napi_value Utf8Length(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
NAPI_ASSERT(env, argc >= 1, "Wrong number of arguments");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string,
"Wrong type of argment. Expects a string.");
size_t length;
NAPI_CALL(env, napi_get_value_string_utf8(env, args[0], NULL, 0, &length));
napi_value output;
NAPI_CALL(env, napi_create_uint32(env, (uint32_t)length, &output));
return output;
}
static napi_value TestLargeUtf8(napi_env env, napi_callback_info info) {
napi_value output;
if (SIZE_MAX > INT_MAX) {
NAPI_CALL(env, napi_create_string_utf8(env, "", ((size_t)INT_MAX) + 1, &output));
} else {
// just throw the expected error as there is nothing to test
// in this case since we can't overflow
NAPI_CALL(env, napi_throw_error(env, NULL, "Invalid argument"));
}
return output;
}
static napi_value TestLargeLatin1(napi_env env, napi_callback_info info) {
napi_value output;
if (SIZE_MAX > INT_MAX) {
NAPI_CALL(env, napi_create_string_latin1(env, "", ((size_t)INT_MAX) + 1, &output));
} else {
// just throw the expected error as there is nothing to test
// in this case since we can't overflow
NAPI_CALL(env, napi_throw_error(env, NULL, "Invalid argument"));
}
return output;
}
static napi_value TestLargeUtf16(napi_env env, napi_callback_info info) {
napi_value output;
if (SIZE_MAX > INT_MAX) {
NAPI_CALL(env, napi_create_string_utf16(env, "", ((size_t)INT_MAX) + 1, &output));
} else {
// just throw the expected error as there is nothing to test
// in this case since we can't overflow
NAPI_CALL(env, napi_throw_error(env, NULL, "Invalid argument"));
}
return output;
}
EXTERN_C_START
napi_value Init(napi_env env, napi_value exports) {
napi_property_descriptor properties[] = {
DECLARE_NAPI_PROPERTY("TestLatin1", TestLatin1),
DECLARE_NAPI_PROPERTY("TestLatin1Insufficient", TestLatin1Insufficient),
DECLARE_NAPI_PROPERTY("TestUtf8", TestUtf8),
DECLARE_NAPI_PROPERTY("TestUtf8Insufficient", TestUtf8Insufficient),
DECLARE_NAPI_PROPERTY("TestUtf16", TestUtf16),
DECLARE_NAPI_PROPERTY("TestUtf16Insufficient", TestUtf16Insufficient),
DECLARE_NAPI_PROPERTY("Utf16Length", Utf16Length),
DECLARE_NAPI_PROPERTY("Utf8Length", Utf8Length),
DECLARE_NAPI_PROPERTY("TestLargeUtf8", TestLargeUtf8),
DECLARE_NAPI_PROPERTY("TestLargeLatin1", TestLargeLatin1),
DECLARE_NAPI_PROPERTY("TestLargeUtf16", TestLargeUtf16),
};
NAPI_CALL(env, napi_define_properties(
env, exports, sizeof(properties) / sizeof(*properties), properties));
return exports;
}
EXTERN_C_END