Test the original functions

Some will fail as the solution is not implemented yet.

Author: vmcj

webapp/tests/Unit/Utils/UtilsTest.php

@@ -343,6 +343,15 @@ public function testRgbToHex(): void
         self::assertEquals('#fedcba', Utils::rgbToHex([254, 220, 186]));
     }
 
+    public function testRelativeLuminance(): void
+    {
+        self::assertEquals(0.0, Utils::relativeLuminance("#000000"));
+        self::assertEquals(0.0, Utils::relativeLuminance("#FFFfff"));
+        self::assertEquals(0.0, Utils::relativeLuminance("#FFFfffFF"));
+        self::assertEquals(0.0, Utils::relativeLuminance("#123"));
+        self::assertEquals(0.0, Utils::relativeLuminance("#1234"));
+    }
+
     /**
      * Test that the APCA contrast function returns the correct data
      */
@@ -351,18 +360,19 @@ public function testApcaContrast(): void
         self::assertEquals(0.0, Utils::apcaContrast("#ffffff",   "#000000"));
         self::assertEquals(0.0, Utils::apcaContrast("#000000",   "#ffffff"));
         self::assertEquals(0.0, Utils::apcaContrast("#fffFFF",   "#FFFfff"));
-        self::assertEquals(0.0, Utils::apcaContrast("#fff",      "#fff"));
+        self::assertEquals(0.0, Utils::apcaContrast("#111",      "#111"));
         self::assertEquals(0.0, Utils::apcaContrast("#123f",     "#975A"));
         self::assertEquals(0.0, Utils::apcaContrast("#11223344", "#00110011"));
+        self::assertEquals(0.0, Utils::apcaContrast("#11223344", "#FF0011"));
     }
 
-    public function testRelativeLuminance(): void
+    public function testHexToForegroundAndBorder(): void
     {
-        self::assertEquals(0.0, Utils::relativeLuminance("#000000"));
-        self::assertEquals(0.0, Utils::relativeLuminance("#FFFfff"));
-        self::assertEquals(0.0, Utils::relativeLuminance("#FFFfffFF"));
-        self::assertEquals(0.0, Utils::relativeLuminance("#123"));
-        self::assertEquals(0.0, Utils::relativeLuminance("#1234"));
+        self::assertEquals(["#ffffff", "#000000"], Utils::hexToForegroundAndBorder("#ffffff"));
+        self::assertEquals(["#ffffff", "#000000"], Utils::hexToForegroundAndBorder("#000000"));
+        self::assertEquals(["#ffffff", "#000000"], Utils::hexToForegroundAndBorder("#AFE"));
+        self::assertEquals(["#ffffff", "#000000"], Utils::hexToForegroundAndBorder("#1239"));
+        self::assertEquals(["#ffffff", "#000000"], Utils::hexToForegroundAndBorder("#10203040"));
     }
 
     /**