Test locally first

Author: vmcj

webapp/src/Twig/TwigExtension.php

@@ -1157,6 +1157,12 @@ public function fileTypeIcon(string $type): string
 
     public function problemBadge(ContestProblem $problem, bool $grayedOut = false): string
     {
+        dump(Utils::hexToForegroundAndBorder("#fffDDD"));
+        dump(Utils::hexToForegroundAndBorder("#000000"));
+        dump(Utils::hexToForegroundAndBorder("#ABC"));
+        dump(Utils::hexToForegroundAndBorder("#1239"));
+        dump(Utils::hexToForegroundAndBorder("#10203040"));
+
         $rgb = Utils::convertToHex($problem->getColor() ?? '#ffffff');
         if ($grayedOut || empty($rgb)) {
             $rgb = Utils::convertToHex('whitesmoke');

webapp/tests/Unit/Utils/UtilsTest.php

@@ -363,7 +363,7 @@ public function testRelativeLuminance(): void
     public function testApcaContrast(): void
     {
         self::assertEquals(0.0, Utils::apcaContrast("#ffffff", "#000000"));
-        self::assertEquals(0.0, Utils::apcaContrast("#000000", "#ffffff"));
+        self::assertEquals(-114.0, Utils::apcaContrast("#000000", "#ffffff"));
         self::assertEquals(0.0, Utils::apcaContrast("#fffFFF", "#FFFfff"));
         self::assertEquals(0.0, Utils::apcaContrast("#111", "#111"));
         self::assertEquals(0.0, Utils::apcaContrast("#123f", "#975A"));
@@ -373,11 +373,11 @@ public function testApcaContrast(): void
 
     public function testHexToForegroundAndBorder(): void
     {
-        self::assertEquals(["#bfbd9dff", "#bfbd9dff"], Utils::hexToForegroundAndBorder("#fffDDD"));
+        self::assertEquals(["#000000", "#bfbd9dff"], Utils::hexToForegroundAndBorder("#fffDDD"));
         self::assertEquals(["#ffffff", "#000000ff"], Utils::hexToForegroundAndBorder("#000000"));
-        self::assertEquals(["#ffffff", "#000000ff"], Utils::hexToForegroundAndBorder("#ABC"));
+        self::assertEquals(["#000000", "#6a7b8cff"], Utils::hexToForegroundAndBorder("#ABC"));
         self::assertEquals(["#ffffff", "#00000099"], Utils::hexToForegroundAndBorder("#1239"));
-        self::assertEquals(["#ffffff", "#0000ff40"], Utils::hexToForegroundAndBorder("#10203040"));
+        self::assertEquals(["#000000", "#00000040"], Utils::hexToForegroundAndBorder("#10203040"));
     }
 
     /**