105 строки
2.4 KiB
C
105 строки
2.4 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <emscripten.h>
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#define DB "THE_DB"
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void test() {
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void *buffer;
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int num, error, exists;
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int sum = 0;
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printf("storing %s\n", SECRET);
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emscripten_idb_store(DB, "the_secret", SECRET, strlen(SECRET)+1, &error);
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assert(!error);
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sum++;
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printf("checking\n");
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emscripten_idb_exists(DB, "the_secret", &exists, &error);
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assert(!error);
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assert(exists);
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sum++;
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printf("loading\n");
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emscripten_idb_load(DB, "the_secret", &buffer, &num, &error);
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assert(!error);
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char *ptr = buffer;
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printf("loaded %s\n", ptr);
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assert(num == strlen(SECRET)+1);
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assert(strcmp(ptr, SECRET) == 0);
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free(buffer);
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sum++;
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printf("deleting the_secret\n");
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emscripten_idb_delete(DB, "the_secret", &error);
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assert(!error);
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sum++;
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printf("loading, should fail as we deleted\n");
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emscripten_idb_load(DB, "the_secret", &buffer, &num, &error);
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assert(error); // expected error!
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sum++;
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printf("last checking\n");
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emscripten_idb_exists(DB, "the_secret", &exists, &error);
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assert(!error);
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assert(!exists);
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sum++;
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// worker-specific code
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printf("save blobs\n");
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const int CHUNK = /*50*/1*1024*1024;
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buffer = malloc(CHUNK);
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char *cbuffer = (char*)buffer;
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cbuffer[0] = 1;
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emscripten_idb_store_blob(DB, "chunk1", buffer, CHUNK, &error);
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cbuffer[0] = 2;
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emscripten_idb_store_blob(DB, "chunk2", buffer, CHUNK, &error);
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assert(!error);
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printf("blobs stored\n");
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cbuffer[0] = 0;
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int blob1, blob2;
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printf("load first\n");
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emscripten_idb_load_blob(DB, "chunk1", &blob1, &error);
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printf("loaded first as %d\n", blob1);
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assert(!error);
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printf("load second\n");
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emscripten_idb_load_blob(DB, "chunk2", &blob2, &error);
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printf("loaded second as %d\n", blob2);
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assert(!error);
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printf("blobs loaded\n");
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emscripten_idb_read_from_blob(blob1, 0, CHUNK, buffer);
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printf("read %d\n", cbuffer[0]);
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assert(cbuffer[0] == 1);
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printf("moving on\n");
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emscripten_idb_read_from_blob(blob2, 0, CHUNK, buffer);
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printf("read %d\n", cbuffer[0]);
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assert(cbuffer[0] == 2);
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//EM_ASM({ alert('freeze') });
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printf("freeing blobs\n");
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emscripten_idb_free_blob(blob1);
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emscripten_idb_free_blob(blob2);
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// finish up
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int result = sum;
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REPORT_RESULT();
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}
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void never() {
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EM_ASM({ alert('this should never be reached! runtime must not be shut down!') });
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assert(0);
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while (1) {}
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}
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int main() {
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atexit(never);
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test();
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return 0;
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}
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