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66 lines
1.6 KiB
66 lines
1.6 KiB
/*===
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1st return value: 21
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2nd return value: undefined
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error: TypeError: test_2 error
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final top: 1
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===*/
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static duk_ret_t test_1(duk_context *ctx, void *udata) {
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double a, b, c;
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(void) udata;
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a = duk_get_number(ctx, -3);
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b = duk_get_number(ctx, -2);
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c = duk_get_number(ctx, -1);
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c = c; /* silence warning */
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duk_push_number(ctx, a + b);
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/* just one return value */
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return 1;
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}
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static duk_ret_t test_2(duk_context *ctx, void *udata) {
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(void) udata;
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duk_error(ctx, DUK_ERR_TYPE_ERROR, "test_2 error");
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return 0;
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}
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void test(duk_context *ctx) {
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duk_ret_t rc;
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duk_set_top(ctx, 0);
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duk_push_string(ctx, "foo"); /* dummy */
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/* success case */
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duk_push_int(ctx, 10);
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duk_push_int(ctx, 11);
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duk_push_int(ctx, 12);
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rc = duk_safe_call(ctx, test_1, NULL /*udata*/, 3 /*nargs*/, 2 /*nrets*/);
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if (rc == DUK_EXEC_SUCCESS) {
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printf("1st return value: %s\n", duk_to_string(ctx, -2)); /* 21 */
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printf("2nd return value: %s\n", duk_to_string(ctx, -1)); /* undefined */
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} else {
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printf("error: %s\n", duk_to_string(ctx, -2));
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}
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duk_pop_2(ctx);
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/* error case */
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duk_push_int(ctx, 10);
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duk_push_int(ctx, 11);
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duk_push_int(ctx, 12);
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rc = duk_safe_call(ctx, test_2, NULL /*udata*/, 3 /*nargs*/, 2 /*nrets*/);
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if (rc == DUK_EXEC_SUCCESS) {
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printf("1st return value: %s\n", duk_to_string(ctx, -2)); /* 21 */
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printf("2nd return value: %s\n", duk_to_string(ctx, -1)); /* undefined */
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} else {
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printf("error: %s\n", duk_to_string(ctx, -2));
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}
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duk_pop_2(ctx);
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/* XXX: also test invalid input stack shapes (like not enough args) */
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printf("final top: %ld\n", (long) duk_get_top(ctx));
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}
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