feat(timex): 自 go-hua/common 迁入时间日期工具并独立成包

- NT/UTC 时间戳互转、时间字符串转毫秒时间戳、指定年月天数 - 附单元测试、examples/timex 例程与包 README
2026-09-20 12:20:50 +08:00
parent d13de8f3fa
commit ca9dedaf82
4 changed files with 164 additions and 0 deletions
@@ -0,0 +1,44 @@
+package timex
+
+import "testing"
+
+func TestGetYearMonthToDay(t *testing.T) {
+	cases := []struct {
+		year, month, want int
+	}{
+		{2024, 2, 29}, // 闰年
+		{2023, 2, 28}, // 平年
+		{2000, 2, 29}, // 400 整除
+		{1900, 2, 28}, // 100 整除非 400
+		{2026, 1, 31},
+		{2026, 4, 30},
+	}
+	for _, c := range cases {
+		if got := GetYearMonthToDay(c.year, c.month); got != c.want {
+			t.Errorf("GetYearMonthToDay(%d,%d) = %d, want %d", c.year, c.month, got, c.want)
+		}
+	}
+}
+
+func TestNtUtcConvert(t *testing.T) {
+	nt := UtcToNt(1000000000)
+	if got := NtToUtc(nt); got != 1000000000 {
+		t.Errorf("NT/UTC 往返 = %d, want 1000000000", got)
+	}
+}
+
+func TestTimeStrToTimestamp(t *testing.T) {
+	ts, err := TimeStrToTimestamp("2026-08-29 12:00:00")
+	if err != nil {
+		t.Fatalf("TimeStrToTimestamp: %v", err)
+	}
+	if ts <= 0 {
+		t.Errorf("时间戳应为正数: %d", ts)
+	}
+	if ts%1000 != 0 {
+		t.Errorf("毫秒时间戳应为整秒: %d", ts)
+	}
+	if _, err := TimeStrToTimestamp("bad"); err == nil {
+		t.Error("非法格式应返回错误")
+	}
+}