diff --git a/Tests/ColorTests.swift b/Tests/ColorTests.swift
new file mode 100644
index 0000000..7a35907
--- /dev/null
+++ b/Tests/ColorTests.swift
@@ -0,0 +1,90 @@
+//
+// Created by mengyu.li on 2023/9/1.
+//
+
+@testable import Senna
+import XCTest
+
+final class ColorTests: XCTestCase {
+    func testLegacyTextColor() {
+        XCTAssertEqual(LegacyTextColor.default.value[0], UInt8(39))
+        let color8: [LegacyTextColor] = [
+            LegacyTextColor.black,
+            LegacyTextColor.red,
+            LegacyTextColor.green,
+            LegacyTextColor.yellow,
+            LegacyTextColor.blue,
+            LegacyTextColor.magenta,
+            LegacyTextColor.cyan,
+            LegacyTextColor.lightGray,
+        ]
+        XCTAssertEqual(color8[0].value[0], 30)
+        XCTAssertEqual(color8[1].value[0], color8[0].value[0] + 1)
+        XCTAssertEqual(color8[2].value[0], color8[0].value[0] + 2)
+        XCTAssertEqual(color8[3].value[0], color8[0].value[0] + 3)
+        XCTAssertEqual(color8[4].value[0], color8[0].value[0] + 4)
+        XCTAssertEqual(color8[5].value[0], color8[0].value[0] + 5)
+        XCTAssertEqual(color8[6].value[0], color8[0].value[0] + 6)
+        XCTAssertEqual(color8[7].value[0], color8[0].value[0] + 7)
+
+        let color16: [LegacyTextColor] = [
+            LegacyTextColor.darkGray,
+            LegacyTextColor.lightRed,
+            LegacyTextColor.lightGreen,
+            LegacyTextColor.lightYellow,
+            LegacyTextColor.lightBlue,
+            LegacyTextColor.lightMagenta,
+            LegacyTextColor.lightCyan,
+            LegacyTextColor.white,
+        ]
+        XCTAssertEqual(color16[0].value[0], 90)
+        XCTAssertEqual(color16[1].value[0], color16[0].value[0] + 1)
+        XCTAssertEqual(color16[2].value[0], color16[0].value[0] + 2)
+        XCTAssertEqual(color16[3].value[0], color16[0].value[0] + 3)
+        XCTAssertEqual(color16[4].value[0], color16[0].value[0] + 4)
+        XCTAssertEqual(color16[5].value[0], color16[0].value[0] + 5)
+        XCTAssertEqual(color16[6].value[0], color16[0].value[0] + 6)
+        XCTAssertEqual(color16[7].value[0], color16[0].value[0] + 7)
+    }
+
+    func testLegacyBackgroundColor() {
+        XCTAssertEqual(LegacyBackgroundColor.default.value[0], UInt8(49))
+        let color8: [LegacyBackgroundColor] = [
+            LegacyBackgroundColor.black,
+            LegacyBackgroundColor.red,
+            LegacyBackgroundColor.green,
+            LegacyBackgroundColor.yellow,
+            LegacyBackgroundColor.blue,
+            LegacyBackgroundColor.magenta,
+            LegacyBackgroundColor.cyan,
+            LegacyBackgroundColor.lightGray,
+        ]
+        XCTAssertEqual(color8[0].value[0], 40)
+        XCTAssertEqual(color8[1].value[0], color8[0].value[0] + 1)
+        XCTAssertEqual(color8[2].value[0], color8[0].value[0] + 2)
+        XCTAssertEqual(color8[3].value[0], color8[0].value[0] + 3)
+        XCTAssertEqual(color8[4].value[0], color8[0].value[0] + 4)
+        XCTAssertEqual(color8[5].value[0], color8[0].value[0] + 5)
+        XCTAssertEqual(color8[6].value[0], color8[0].value[0] + 6)
+        XCTAssertEqual(color8[7].value[0], color8[0].value[0] + 7)
+
+        let color16: [LegacyBackgroundColor] = [
+            LegacyBackgroundColor.darkGray,
+            LegacyBackgroundColor.lightRed,
+            LegacyBackgroundColor.lightGreen,
+            LegacyBackgroundColor.lightYellow,
+            LegacyBackgroundColor.lightBlue,
+            LegacyBackgroundColor.lightMagenta,
+            LegacyBackgroundColor.lightCyan,
+            LegacyBackgroundColor.white,
+        ]
+        XCTAssertEqual(color16[0].value[0], 100)
+        XCTAssertEqual(color16[1].value[0], color16[0].value[0] + 1)
+        XCTAssertEqual(color16[2].value[0], color16[0].value[0] + 2)
+        XCTAssertEqual(color16[3].value[0], color16[0].value[0] + 3)
+        XCTAssertEqual(color16[4].value[0], color16[0].value[0] + 4)
+        XCTAssertEqual(color16[5].value[0], color16[0].value[0] + 5)
+        XCTAssertEqual(color16[6].value[0], color16[0].value[0] + 6)
+        XCTAssertEqual(color16[7].value[0], color16[0].value[0] + 7)
+    }
+}
diff --git a/Tests/PrinterTests.swift b/Tests/PrinterTests.swift
index 3555dc8..d61341a 100644
--- a/Tests/PrinterTests.swift
+++ b/Tests/PrinterTests.swift
@@ -7,7 +7,7 @@ import XCTest
 
 final class PrinterTests: XCTestCase {
     func testLegacy8Bit() {
-        let formation = Formation(components: [.message], printer: Printer.legacy8bit)
+        let formation = Formation(components: [.name, .message], printer: Printer.legacy8bit)
         let logger = Logger(label: "LogName") {
             Handler(name: $0, sink: StandardSink.out(), formation: formation, logLevel: .trace)
         }
@@ -22,7 +22,7 @@ final class PrinterTests: XCTestCase {
     }
 
     func testLegacy16Bit() {
-        let formation = Formation(components: [.message], printer: Printer.legacy16bit)
+        let formation = Formation(components: [.name, .message], printer: Printer.legacy16bit)
         let logger = Logger(label: "LogName") {
             Handler(name: $0, sink: StandardSink.out(), formation: formation, logLevel: .trace)
         }