diff --git a/tests/Drivers/Gd/Decoders/Base64ImageDecoderTest.php b/tests/Drivers/Gd/Decoders/Base64ImageDecoderTest.php
new file mode 100644
index 00000000..ae92fed2
--- /dev/null
+++ b/tests/Drivers/Gd/Decoders/Base64ImageDecoderTest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Intervention\Image\Tests\Drivers\Gd\Decoders;
+
+use Intervention\Image\Drivers\Gd\Decoders\Base64ImageDecoder;
+use Intervention\Image\Drivers\Gd\Image;
+use Intervention\Image\Tests\TestCase;
+use Intervention\Image\Tests\Traits\CanCreateGdTestImage;
+
+class Base64ImageDecoderTest extends TestCase
+{
+    use CanCreateGdTestImage;
+
+    public function testDecode(): void
+    {
+        $decoder = new Base64ImageDecoder();
+        $result = $decoder->decode(
+            base64_encode($this->getTestImageData('blue.gif'))
+        );
+        $this->assertInstanceOf(Image::class, $result);
+    }
+}
diff --git a/tests/Drivers/Gd/Decoders/DataUriImageDecoderTest.php b/tests/Drivers/Gd/Decoders/DataUriImageDecoderTest.php
new file mode 100644
index 00000000..fccc146d
--- /dev/null
+++ b/tests/Drivers/Gd/Decoders/DataUriImageDecoderTest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Intervention\Image\Tests\Drivers\Gd\Decoders;
+
+use Intervention\Image\Drivers\Gd\Decoders\DataUriImageDecoder;
+use Intervention\Image\Drivers\Gd\Image;
+use Intervention\Image\Tests\TestCase;
+use Intervention\Image\Tests\Traits\CanCreateGdTestImage;
+
+class DataUriImageDecoderTest extends TestCase
+{
+    use CanCreateGdTestImage;
+
+    public function testDecode(): void
+    {
+        $decoder = new DataUriImageDecoder();
+        $result = $decoder->decode(
+            sprintf('data:image/jpeg;base64,%s', base64_encode($this->getTestImageData('blue.gif')))
+        );
+        $this->assertInstanceOf(Image::class, $result);
+    }
+}
diff --git a/tests/Drivers/Gd/Decoders/FilePathImageDecoderTest.php b/tests/Drivers/Gd/Decoders/FilePathImageDecoderTest.php
new file mode 100644
index 00000000..840063b2
--- /dev/null
+++ b/tests/Drivers/Gd/Decoders/FilePathImageDecoderTest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Intervention\Image\Tests\Drivers\Gd\Decoders;
+
+use Intervention\Image\Drivers\Gd\Decoders\FilePathImageDecoder;
+use Intervention\Image\Drivers\Gd\Image;
+use Intervention\Image\Tests\TestCase;
+use Intervention\Image\Tests\Traits\CanCreateGdTestImage;
+
+class FilePathImageDecoderTest extends TestCase
+{
+    use CanCreateGdTestImage;
+
+    public function testDecode(): void
+    {
+        $decoder = new FilePathImageDecoder();
+        $result = $decoder->decode(
+            $this->getTestImagePath()
+        );
+        $this->assertInstanceOf(Image::class, $result);
+    }
+}
diff --git a/tests/Drivers/Gd/Decoders/HexColorDecoderTest.php b/tests/Drivers/Gd/Decoders/HexColorDecoderTest.php
new file mode 100644
index 00000000..37732117
--- /dev/null
+++ b/tests/Drivers/Gd/Decoders/HexColorDecoderTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Intervention\Image\Tests\Drivers\Gd\Decoders;
+
+use Intervention\Image\Drivers\Gd\Decoders\HexColorDecoder;
+use Intervention\Image\Drivers\Gd\Color;
+use Intervention\Image\Tests\TestCase;
+
+class HexColorDecoderTest extends TestCase
+{
+    public function testDecode(): void
+    {
+        $decoder = new HexColorDecoder();
+        $result = $decoder->decode('ccc');
+        $this->assertInstanceOf(Color::class, $result);
+
+        $result = $decoder->decode('#ccc');
+        $this->assertInstanceOf(Color::class, $result);
+
+        $result = $decoder->decode('cccccc');
+        $this->assertInstanceOf(Color::class, $result);
+
+        $result = $decoder->decode('#cccccc');
+        $this->assertInstanceOf(Color::class, $result);
+    }
+}
diff --git a/tests/Traits/CanCreateGdTestImage.php b/tests/Traits/CanCreateGdTestImage.php
index f9f4238e..e2e5d81a 100644
--- a/tests/Traits/CanCreateGdTestImage.php
+++ b/tests/Traits/CanCreateGdTestImage.php
@@ -9,10 +9,20 @@ use Intervention\Image\Drivers\Gd\Image;
 
 trait CanCreateGdTestImage
 {
+    public function getTestImagePath($filename = 'test.jpg'): string
+    {
+        return sprintf('%s/../images/%s', __DIR__, $filename);
+    }
+
+    public function getTestImageData($filename = 'test.jpg'): string
+    {
+        return file_get_contents($this->getTestImagePath($filename));
+    }
+
     public function createTestImage($filename = 'test.jpg'): Image
     {
         return $this->testImageDecoder()->handle(
-            sprintf('%s/../images/%s', __DIR__, $filename)
+            $this->getTestImagePath($filename)
         );
     }