From 3c8af1916d937d8ea1a5e79ea84a2363aed522a7 Mon Sep 17 00:00:00 2001
From: codemasher <smiley@chillerlan.net>
Date: Sat, 10 Nov 2018 19:29:12 +0100
Subject: [PATCH] :octocat: test GD RGB clamp

---
 tests/QROptionsTest.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/tests/QROptionsTest.php b/tests/QROptionsTest.php
index a56a85183..12581f65e 100644
--- a/tests/QROptionsTest.php
+++ b/tests/QROptionsTest.php
@@ -67,4 +67,20 @@ class QROptionsTest extends TestCase{
 	public function testInvalidEccLevelException(){
 		new QROptions(['eccLevel' => 42]);
 	}
+
+	public function testClampRGBValues(){
+		$o = new QROptions(['imageTransparencyBG' => [-1, 0, 999]]);
+
+		$this->assertSame(0, $o->imageTransparencyBG[0]);
+		$this->assertSame(0, $o->imageTransparencyBG[1]);
+		$this->assertSame(255, $o->imageTransparencyBG[2]);
+	}
+
+	/**
+	 * @expectedException \chillerlan\QRCode\QRCodeException
+	 * @expectedExceptionMessage Invalid RGB value.
+	 */
+	public function testInvalidRGBValueException(){
+		new QROptions(['imageTransparencyBG' => ['r', 'g', 'b']]);
+	}
 }