improve sqlite test

3 files changed, 60 insertions, 3 deletions

diff --git a/tests/sqlite/benchmark.c b/tests/sqlite/benchmark.c
index de8a9a82..5618d388 100644
--- a/tests/sqlite/benchmark.c
+++ b/tests/sqlite/benchmark.c
@@ -11,6 +11,38 @@ static int callback(void *NotUsed, int argc, char **argv, char **azColName){
   return 0;
 }
 
+int test(){
+  sqlite3 *db;
+  char *zErrMsg = 0;
+  int rc;
+  int i;
+  const char *commands[] = {
+    "CREATE TABLE t2(a INTEGER, b INTEGER, c VARCHAR(100));",
+    "INSERT INTO t2 VALUES(1,13153,'thirteen thousand one hundred fifty three');",
+    "INSERT INTO t2 VALUES(1,987,'some other number');",
+    "SELECT count(*) FROM t2;",
+    "SELECT a, b, c FROM t2;",
+    NULL
+  };
+
+  rc = sqlite3_open(":memory:", &db);
+  if( rc ){
+    fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
+    sqlite3_close(db);
+    exit(1);
+  }
+  for (i = 0; commands[i]; i++) {
+    rc = sqlite3_exec(db, commands[i], callback, 0, &zErrMsg);
+    if( rc!=SQLITE_OK ){
+      fprintf(stderr, "SQL error on %d: %s\n", i, zErrMsg);
+      sqlite3_free(zErrMsg);
+      exit(1);
+    }
+  }
+  sqlite3_close(db);
+  return 0;
+}
+
 int main(){
   sqlite3 *db;
   char *zErrMsg = 0;
@@ -41,6 +73,7 @@ int main(){
     }
 
   t = clock();
+  TIME("'startup'");
 
   RUN("CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));");
   TIME("create table");
@@ -48,7 +81,7 @@ int main(){
   RUN("BEGIN;");
 
   // 25000 INSERTs in a transaction
-  for (i = 0; i < 5000; i++) {
+  for (i = 0; i < 5; i++) {
     RUN("INSERT INTO t1 VALUES(1,12345,'one 1 one 1 one 1');");
     RUN("INSERT INTO t1 VALUES(2,23422,'two two two two');");
     RUN("INSERT INTO t1 VALUES(3,31233,'three three 33333333333 three');");
@@ -77,6 +110,7 @@ int main(){
   TIME("selects with indexes");
 
   sqlite3_close(db);
-  return 0;
+
+  return test();
 }
 
diff --git a/tests/sqlite/benchmark.txt b/tests/sqlite/benchmark.txt
new file mode 100644
index 00000000..472221df
--- /dev/null
+++ b/tests/sqlite/benchmark.txt
@@ -0,0 +1,10 @@
+count(*) = 2
+
+a = 1
+b = 13153
+c = thirteen thousand one hundred fifty three
+
+a = 1
+b = 987
+c = some other number
+
diff --git a/tests/sqlite/sqlite3.c b/tests/sqlite/sqlite3.c
index 2c426c21..2d6633ea 100644
--- a/tests/sqlite/sqlite3.c
+++ b/tests/sqlite/sqlite3.c
@@ -29799,7 +29799,7 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nBuf, char *zBuf){
   ** tests repeatable.
   */
   memset(zBuf, 0, nBuf);
-#if !defined(SQLITE_TEST)
+#if 0 // XXX EMSCRIPTEN keep it all 0 for simplicity        !defined(SQLITE_TEST)
   {
     int pid, fd;
     fd = robust_open("/dev/urandom", O_RDONLY, 0);
@@ -38132,6 +38132,9 @@ static int writeJournalHdr(Pager *pPager){
   u32 nHeader = (u32)pPager->pageSize;/* Size of buffer pointed to by zHeader */
   u32 nWrite;                         /* Bytes of header sector written */
   int ii;                             /* Loop counter */
+#ifdef EMSCRIPTEN
+  u8 temp[4];
+#endif
 
   assert( isOpen(pPager->jfd) );      /* Journal file must be open. */
 
@@ -38182,7 +38185,12 @@ static int writeJournalHdr(Pager *pPager){
   }
 
   /* The random check-hash initialiser */ 
+#ifdef EMSCRIPTEN
+  sqlite3_randomness(sizeof(pPager->cksumInit), temp);
+  pPager->cksumInit = temp[0] + (((u32)temp[1]) << 8) + (((u32)temp[2]) << 16) + (((u32)temp[3]) << 24);
+#else
   sqlite3_randomness(sizeof(pPager->cksumInit), &pPager->cksumInit);
+#endif
   put32bits(&zHeader[sizeof(aJournalMagic)+4], pPager->cksumInit);
   /* The initial database size */
   put32bits(&zHeader[sizeof(aJournalMagic)+8], pPager->dbOrigSize);
@@ -53030,7 +53038,12 @@ static void insertCell(
     endPtr = &data[ins];
     assert( (SQLITE_PTR_TO_INT(ptr)&1)==0 );  /* ptr is always 2-byte aligned */
     while( ptr>endPtr ){
+#ifdef EMSCRIPTEN
+      ptr[0] = ptr[-2];
+      ptr[1] = ptr[-1];
+#else
       *(u16*)ptr = *(u16*)&ptr[-2];
+#endif
       ptr -= 2;
     }
     put2byte(&data[ins], idx);