init: dec-music 项目初始化

2026-05-23 12:55:48 +08:00
commit 21045d0aad
50 changed files with 3662 additions and 0 deletions
@@ -0,0 +1,42 @@
+package mmkv
+
+import (
+	"bytes"
+	"os"
+	"testing"
+)
+
+func Test_loadMetadata(t *testing.T) {
+	file, err := os.Open("./testdata/mmkv.default.crc")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	meta, err := loadMetadata(file)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if meta.version != 3 {
+		t.Fatalf("version = %d, want 3", meta.version)
+	}
+	if meta.sequence != 1 {
+		t.Fatalf("sequence = %d, want 1", meta.sequence)
+	}
+	if meta.actualSize != 28 {
+		t.Fatalf("actualSize = %d, want 28", meta.actualSize)
+	}
+	if meta.crc32 != 197326043 {
+		t.Fatalf("crc32 = %d, want 197326043", meta.crc32)
+	}
+	if meta.lastActualSize != 4 {
+		t.Fatalf("lastActualSize = %d, want 4", meta.lastActualSize)
+	}
+	if meta.lastCRC32 != 1285129681 {
+		t.Fatalf("lastCRC32 = %d, want 1285129681", meta.lastCRC32)
+	}
+	wantIV := bytes.Repeat([]byte{0x00}, 16)
+	if !bytes.Equal(meta.aesVector, wantIV) {
+		t.Fatalf("aesVector = %v, want zeros", meta.aesVector)
+	}
+}