diff options
| -rw-r--r-- | sqlite3_test.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sqlite3_test.go b/sqlite3_test.go index bfed027..7b16342 100644 --- a/sqlite3_test.go +++ b/sqlite3_test.go @@ -1770,6 +1770,7 @@ var tests = []testing.InternalTest{ {Name: "TestResult", F: testResult}, {Name: "TestBlobs", F: testBlobs}, {Name: "TestMultiBlobs", F: testMultiBlobs}, + {Name: "TestNullZeroLengthBlobs", F: testNullZeroLengthBlobs}, {Name: "TestManyQueryRow", F: testManyQueryRow}, {Name: "TestTxQuery", F: testTxQuery}, {Name: "TestPreparedStmt", F: testPreparedStmt}, @@ -1975,6 +1976,34 @@ func testMultiBlobs(t *testing.T) { } } +// testBlobs tests that we distinguish between null and zero-length blobs +func testNullZeroLengthBlobs(t *testing.T) { + db.tearDown() + db.mustExec("create table foo (id integer primary key, bar " + db.blobType(16) + ")") + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 0, nil) + db.mustExec(db.q("insert into foo (id, bar) values(?,?)"), 1, []byte{}) + + r0 := db.QueryRow(db.q("select bar from foo where id=0")) + var b0 []byte + err := r0.Scan(&b0) + if err != nil { + t.Fatal(err) + } + if b0 != nil { + t.Errorf("for id=0, got %x; want nil", b0) + } + + r1 := db.QueryRow(db.q("select bar from foo where id=1")) + var b1 []byte + err = r1.Scan(&b1) + if err != nil { + t.Fatal(err) + } + if b1 == nil || len(b1) > 0 { + t.Errorf("for id=1, got nil; want zero-length slice") + } +} + // testManyQueryRow is test for many query row func testManyQueryRow(t *testing.T) { if testing.Short() { |