Merge pull request #82 from onevcat/feature/strikethrough-tests

Add strikethrough style support

Author: onevcat

Playground/main.swift

@@ -40,4 +40,28 @@ let entry = Rainbow.Entry(
         .init(text: "see you!", color: .bit8(39), styles: [.italic])
     ]
 )
-print(Rainbow.generateString(for: entry))
+print(Rainbow.generateString(for: entry))
+
+print("")
+
+// Strikethrough examples
+print("=== Strikethrough Style Examples ===".bold)
+print("This is \("deleted text".strikethrough)")
+print("Error: \("Deprecated method".red.strikethrough) - use new API instead")
+print("\("Old price: $99.99".strikethrough) \("New price: $79.99".green.bold)")
+print("")
+print("Combining with other styles:")
+print("  • \("Strikethrough + Bold".strikethrough.bold)")
+print("  • \("Strikethrough + Italic".strikethrough.italic)")
+print("  • \("Strikethrough + Underline".strikethrough.underline)")
+print("  • \("Strikethrough + Red + Bold".red.strikethrough.bold)")
+print("")
+print("Complex example:")
+let todoList = """
+TODO List:
+  ✓ \("Setup project".strikethrough.dim)
+  ✓ \("Write tests".strikethrough.dim)
+  - Implement feature
+  - Code review
+"""
+print(todoList)

Sources/String+Rainbow.swift

@@ -394,6 +394,8 @@ extension String {
     public var blink: String { return applyingStyle(.blink) }
     /// String with text color and background color swapped.
     public var swap: String { return applyingStyle(.swap) }
+    /// String with strikethrough style.
+    public var strikethrough: String { return applyingStyle(.strikethrough) }
 }
 
 // MARK: - Clear Modes Shorthand

Tests/RainbowTests/ConsoleStringTests.swift

@@ -105,6 +105,7 @@ class ConsoleStringTests: XCTestCase {
         XCTAssertEqual(string.underline, "\u{001B}[4mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.blink, "\u{001B}[5mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.swap, "\u{001B}[7mHello Rainbow\u{001B}[0m")
+        XCTAssertEqual(string.strikethrough, "\u{001B}[9mHello Rainbow\u{001B}[0m")
     }
 
     func testStringMultipleModes() {
@@ -115,6 +116,9 @@ class ConsoleStringTests: XCTestCase {
         XCTAssertEqual(string.onWhite.dim.blink, "\u{001B}[47;2;5mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.red.blue.onWhite, "\u{001B}[34;47mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.red.blue.green.blue.blue, "\u{001B}[34mHello Rainbow\u{001B}[0m")
+        XCTAssertEqual(string.red.strikethrough, "\u{001B}[31;9mHello Rainbow\u{001B}[0m")
+        XCTAssertEqual(string.strikethrough.underline, "\u{001B}[9;4mHello Rainbow\u{001B}[0m")
+        XCTAssertEqual(string.red.onYellow.strikethrough, "\u{001B}[31;43;9mHello Rainbow\u{001B}[0m")
     }
 
     func testStringClearMode() {
@@ -128,6 +132,8 @@ class ConsoleStringTests: XCTestCase {
         XCTAssertEqual(string.red.clearStyles, "\u{001B}[31mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.red.bold.clearStyles, "\u{001B}[31mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.red.bold.clearColor, "\u{001B}[1mHello Rainbow\u{001B}[0m")
+        XCTAssertEqual(string.strikethrough.clearStyles, "Hello Rainbow")
+        XCTAssertEqual(string.red.strikethrough.clearStyles, "\u{001B}[31mHello Rainbow\u{001B}[0m")
         XCTAssertEqual(string.bold.italic.clearStyles, "Hello Rainbow")
     }