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132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "../../emscripten_resources.h"
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#include <stdio.h>
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#include <stdlib.h>
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#define ASSERT(expr) \
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do { \
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if (!(expr)) { \
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printf("%s:%d " #expr " false\n", __FILE__, __LINE__); \
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exit(-1); \
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} \
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} while (0)
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#define CUSTOM_RES_GEN(x) \
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static uint32_t s_read_##x##_called = 0; \
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static uint32_t s_size_##x##_called = 0; \
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int custom_res_read_##x(int offset, uint8_t *buf, int num_bytes) { \
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uint32_t *buf_ptr = (uint32_t *)buf; \
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*buf_ptr = x; \
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s_read_##x##_called++; \
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return 4; \
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} \
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int custom_res_size_##x(void) { \
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s_size_##x##_called++; \
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return 4; \
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}
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CUSTOM_RES_GEN(1);
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CUSTOM_RES_GEN(2);
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CUSTOM_RES_GEN(3);
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CUSTOM_RES_GEN(4);
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int main(int argc, char **argv) {
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// 1 res
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uint32_t id_1 = emx_resources_register_custom(custom_res_read_1, custom_res_size_1);
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ASSERT(emx_resources_get_size(1, id_1) == 4);
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uint32_t buf = 0;
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ASSERT(emx_resources_read(1, id_1, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 1);
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ASSERT(s_read_1_called == 1);
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ASSERT(s_size_1_called == 1);
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// 2nd res
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uint32_t id_2 = emx_resources_register_custom(custom_res_read_2, custom_res_size_2);
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ASSERT(emx_resources_get_size(1, id_2) == 4);
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buf = 0;
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ASSERT(emx_resources_read(1, id_2, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 2);
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ASSERT(s_read_2_called == 1);
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ASSERT(s_size_2_called == 1);
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// 3rd res
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uint32_t id_3 = emx_resources_register_custom(custom_res_read_3, custom_res_size_3);
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ASSERT(emx_resources_get_size(1, id_3) == 4);
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buf = 0;
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ASSERT(emx_resources_read(1, id_3, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 3);
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ASSERT(s_read_3_called == 1);
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ASSERT(s_size_3_called == 1);
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// remove 2
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emx_resources_remove_custom(id_2);
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ASSERT(emx_resources_get_size(1, id_2) == 0);
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buf = 0;
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ASSERT(emx_resources_read(1, id_2, 0, (uint8_t *)&buf, 1) == 0);
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ASSERT(buf == 0);
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// verify 1 & 3 are OK
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buf = 0;
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ASSERT(emx_resources_read(1, id_3, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 3);
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ASSERT(s_read_3_called == 2);
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buf = 0;
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ASSERT(emx_resources_read(1, id_1, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 1);
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ASSERT(s_read_1_called == 2);
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// add 4
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uint32_t id_4 = emx_resources_register_custom(custom_res_read_4, custom_res_size_4);
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ASSERT(emx_resources_get_size(1, id_4) == 4);
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buf = 0;
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ASSERT(emx_resources_read(1, id_4, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 4);
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ASSERT(s_read_4_called == 1);
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ASSERT(s_size_4_called == 1);
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// remove 1 & 3
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emx_resources_remove_custom(id_1);
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ASSERT(emx_resources_get_size(1, id_1) == 0);
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emx_resources_remove_custom(id_3);
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ASSERT(emx_resources_get_size(1, id_3) == 0);
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// verify 4 is ok
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buf = 0;
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ASSERT(emx_resources_read(1, id_4, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 4);
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ASSERT(s_read_4_called == 2);
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// remove 4
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emx_resources_remove_custom(id_4);
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ASSERT(emx_resources_get_size(1, id_4) == 0);
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ASSERT(s_size_4_called == 1);
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// add 4 again
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id_4 = emx_resources_register_custom(custom_res_read_4, custom_res_size_4);
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ASSERT(emx_resources_get_size(1, id_4) == 4);
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buf = 0;
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ASSERT(emx_resources_read(1, id_4, 0, (uint8_t *)&buf, 1) == 4);
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ASSERT(buf == 4);
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ASSERT(s_read_4_called == 3);
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ASSERT(s_size_4_called == 2);
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// remove 4 again
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emx_resources_remove_custom(id_4);
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ASSERT(emx_resources_get_size(1, id_4) == 0);
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ASSERT(s_size_4_called == 2);
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}
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