Add some tests.

README.md

@@ -15,7 +15,7 @@ See [package documentation](http://godoc.org/github.com/gwenn/gosqlite).
 If your OS does not bundle SQLite3 development files (or old ones):
 - download and copy SQLite3 files
 
-```shell
+```sh
 $ cp ~/Downloads/sqlite-amalgamation-xxx/sqlite3.{c,h} $GOPATH/src/github.com/gwenn/gosqlite
 ```
 

blob_test.go

@@ -72,3 +72,20 @@ func TestBlobMisuse(t *testing.T) {
 	/*err = bw.Close()
 	assert(t, "error expected", err != nil)*/
 }
+
+func TestZeroLengthBlob(t *testing.T) {
+	db := open(t)
+	defer checkClose(db, t)
+
+	err := db.Exec("CREATE TABLE test (content BLOB);")
+	checkNoError(t, err, "error creating table: %s")
+
+	err = db.Exec("INSERT INTO test VALUES (?)", ZeroBlobLength(0))
+	checkNoError(t, err, "insert error: %s")
+	rowid := db.LastInsertRowid()
+
+	var blob []byte
+	err = db.OneValue("SELECT content FROM test WHERE rowid = ?", &blob, rowid)
+	checkNoError(t, err, "select error: %s")
+	assert(t, "nil blob expected", blob == nil)
+}

stmt_test.go

@@ -453,3 +453,18 @@ func TestBindEmptyZeroNotTransformedToNull(t *testing.T) {
 	_, null = s.ScanValue(1, false)
 	assert(t, "Zero time expected", !null)
 }
+
+func TestColumnType(t *testing.T) {
+	db := open(t)
+	defer checkClose(db, t)
+
+	createTable(db, t)
+	s, err := db.Prepare("SELECT * from test")
+	checkNoError(t, err, "prepare error: %s")
+	defer checkFinalize(s, t)
+
+	for col := 0; col < s.ColumnCount(); col++ {
+		//println(col, s.ColumnName(col), s.ColumnOriginName(col), s.ColumnType(col), s.ColumnDeclaredType(col))
+		assertEquals(t, "expected %s but got %s type", Null, s.ColumnType(col))
+	}
+}