static duk_ret_t test_nodejs_buffer_write_1(duk_context *ctx, void *udata) {
int i, dst, src;
unsigned char *data;
(void) udata;
data = (unsigned char *) duk_push_dynamic_buffer(ctx, 10); /* index 0 */
for (i = 0; i < 10; i++) {
data[i] = 0x40 + i;
}
setup_nodejs_buffer(ctx, 0); /* index 1 */
setup_nodejs_buffer_slice(ctx, 0, 1, 4); /* index 2 */
setup_nodejs_buffer_slice(ctx, 0, 3, 7); /* index 3 */
setup_nodejs_buffer_slice(ctx, 0, 6, 9); /* index 4 */
duk_push_string(ctx, ""); /* index 5 */
duk_push_string(ctx, "fo"); /* index 6 */
duk_push_string(ctx, "bar"); /* index 7 */
duk_push_string(ctx, "quux"); /* index 8 */
for (i = 10; i >= 0; i--) {
duk_resize_buffer(ctx, 0, i);
/* The resulting buffers are not printed here; they're not very
* intuitive because both the source and the destination share
* the same underlying buffer.
*/
for (dst = 1; dst <= 4; dst++) {
for (src = 5; src <= 8; src++) {
printf("%d %d %d\n", i, dst, src);
duk_eval_string(ctx,
"(function (dst, src) {\n"
" for (var i = 0; i < dst.length; i++) { dst[i] = 0x11; }\n"
" dst.write(src);\n"
" for (var i = 0; i < dst.length; i++) { dst[i] = 0x11; }\n"
" dst.write(src, 1);\n"
"})");
duk_dup(ctx, dst);
duk_dup(ctx, src);
duk_call(ctx, 2);
duk_pop(ctx);
}
}
}
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
/* Node.js Buffer, "partial slice" */
static duk_ret_t test_nodejs_buffer_indexed_1b(duk_context *ctx) {
duk_push_dynamic_buffer(ctx, 150);
setup_nodejs_buffer_slice(ctx, -1, 30, 130);
shared_read_write_index(ctx, 30 + 95);
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
static int test_nodejs_buffer_copy_1(duk_context *ctx) {
int i, dst, src;
unsigned char *data;
data = (unsigned char *) duk_push_dynamic_buffer(ctx, 10); /* index 0 */
for (i = 0; i < 10; i++) {
data[i] = 0x40 + i;
}
setup_nodejs_buffer(ctx, 0);
setup_nodejs_buffer_slice(ctx, 0, 1, 4);
setup_nodejs_buffer_slice(ctx, 0, 3, 7);
setup_nodejs_buffer_slice(ctx, 0, 6, 9);
for (i = 10; i >= 0; i--) {
duk_resize_buffer(ctx, 0, i);
/* The resulting buffers are not printed here; they're not very
* intuitive because both the source and the destination share
* the same underlying buffer.
*/
for (dst = 1; dst <= 4; dst++) {
for (src = 1; src <= 4; src++) {
printf("%d %d %d\n", i, dst, src);
duk_eval_string(ctx,
"(function (dst, src) {\n"
" for (var i = 0; i < dst.length; i++) { dst[i] = 0x11; }\n"
" for (var i = 0; i < src.length; i++) { src[i] = 0x22; }\n"
" src.copy(dst);\n"
" for (var i = 0; i < dst.length; i++) { dst[i] = 0x11; }\n"
" for (var i = 0; i < src.length; i++) { src[i] = 0x22; }\n"
" src.copy(dst, 4, 1);\n"
"})");
duk_dup(ctx, dst);
duk_dup(ctx, src);
duk_call(ctx, 2);
duk_pop(ctx);
}
}
}
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
static duk_ret_t test_nodejs_buffer_compare_1(duk_context *ctx, void *udata) {
int i, dst, src;
unsigned char *data;
(void) udata;
/* There are two relevant methods: Buffer.compare and Buffer.prototype.compare() */
data = (unsigned char *) duk_push_dynamic_buffer(ctx, 10); /* index 0 */
for (i = 0; i < 10; i++) {
data[i] = 0x40 + i;
}
setup_nodejs_buffer(ctx, 0);
setup_nodejs_buffer_slice(ctx, 0, 1, 4);
setup_nodejs_buffer_slice(ctx, 0, 3, 7);
setup_nodejs_buffer_slice(ctx, 0, 6, 9);
for (i = 10; i >= 0; i--) {
duk_resize_buffer(ctx, 0, i);
for (dst = 1; dst <= 4; dst++) {
for (src = 1; src <= 4; src++) {
printf("%d %d %d\n", i, dst, src);
duk_eval_string(ctx,
"(function (dst, src) {\n"
" print(Buffer.compare(dst, src), dst.compare(src));\n"
"})");
duk_dup(ctx, dst);
duk_dup(ctx, src);
duk_call(ctx, 2);
duk_pop(ctx);
}
}
}
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
static duk_ret_t test_nodejs_buffer_concat_1(duk_context *ctx, void *udata) {
int i;
unsigned char *data;
(void) udata;
data = (unsigned char *) duk_push_dynamic_buffer(ctx, 10); /* index 0 */
for (i = 0; i < 10; i++) {
data[i] = 0x40 + i;
}
setup_nodejs_buffer(ctx, 0);
setup_nodejs_buffer_slice(ctx, 0, 1, 6);
setup_nodejs_buffer_slice(ctx, 0, 3, 7);
setup_nodejs_buffer_slice(ctx, 0, 6, 9);
setup_nodejs_buffer_slice(ctx, 0, 1, 8);
for (i = 10; i >= 0; i--) {
duk_resize_buffer(ctx, 0, i);
printf("%d\n", i);
duk_eval_string(ctx,
"(function (arg1, arg2, arg3, arg4, arg5) {\n"
" var res = Buffer.concat([ arg1, arg2, arg3, arg4, arg5 ]);\n"
" print(Duktape.enc('jx', res));\n"
"})");
duk_dup(ctx, 1);
duk_dup(ctx, 2);
duk_dup(ctx, 3);
duk_dup(ctx, 4);
duk_dup(ctx, 5);
duk_call(ctx, 5);
duk_pop(ctx);
}
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
static duk_ret_t test_json_serialize_1(duk_context *ctx, void *udata) {
unsigned char *data;
int i;
duk_uarridx_t arridx = 0;
(void) udata;
data = (unsigned char *) duk_push_dynamic_buffer(ctx, 20);
for (i = 0; i < 20; i++) {
data[i] = 0x40 + i;
}
duk_push_array(ctx); /* index 1 */
setup_duktape_buffer(ctx, 0);
duk_put_prop_index(ctx, 1, arridx++);
setup_nodejs_buffer(ctx, 0);
duk_put_prop_index(ctx, 1, arridx++);
setup_nodejs_buffer_slice(ctx, 0, 3, 5);
duk_put_prop_index(ctx, 1, arridx++);
setup_arraybuffer(ctx, 0);
duk_put_prop_index(ctx, 1, arridx++);
setup_typedarray(ctx, 0, "Uint8Array");
duk_put_prop_index(ctx, 1, arridx++);
setup_typedarray_slice(ctx, 0, "Uint8Array", 2, 6);
duk_put_prop_index(ctx, 1, arridx++);
setup_typedarray(ctx, 0, "Uint32Array");
duk_put_prop_index(ctx, 1, arridx++);
setup_typedarray_slice(ctx, 0, "Uint32Array", 4, 1);
duk_put_prop_index(ctx, 1, arridx++);
/* Serialize with a full backing buffer first. */
for (i = 20; i >= 0; i--) {
printf("resize to %d\n", i);
duk_resize_buffer(ctx, 0, i);
duk_dup(ctx, 1);
duk_json_encode(ctx, -1);
printf("%s\n", duk_to_string(ctx, -1));
duk_pop(ctx);
duk_eval_string(ctx, "(function (v) { print(Duktape.enc('jx', v)); })");
duk_dup(ctx, 1);
duk_call(ctx, 1);
duk_pop(ctx);
}
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}