diff --git a/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php b/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php
index 40d79849c..ddadc89c5 100644
--- a/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php
+++ b/tests/Composer/Test/Autoload/ClassMapGeneratorTest.php
@@ -55,6 +55,8 @@ class ClassMapGeneratorTest extends \PHPUnit_Framework_TestCase
                 'Foo\\LargeGap'           => realpath(__DIR__).'/Fixtures/classmap/LargeGap.php',
                 'Foo\\MissingSpace'       => realpath(__DIR__).'/Fixtures/classmap/MissingSpace.php',
                 'Foo\\StripNoise'         => realpath(__DIR__).'/Fixtures/classmap/StripNoise.php',
+                'Foo\\SlashedA'           => realpath(__DIR__).'/Fixtures/classmap/BackslashLineEndingString.php',
+                'Foo\\SlashedB'           => realpath(__DIR__).'/Fixtures/classmap/BackslashLineEndingString.php',
                 'Unicode\\↑\\↑'              => realpath(__DIR__).'/Fixtures/classmap/Unicode.php',
             )),
             array(__DIR__.'/Fixtures/template', array()),
diff --git a/tests/Composer/Test/Autoload/Fixtures/classmap/BackslashLineEndingString.php b/tests/Composer/Test/Autoload/Fixtures/classmap/BackslashLineEndingString.php
new file mode 100644
index 000000000..6c8b94c9b
--- /dev/null
+++ b/tests/Composer/Test/Autoload/Fixtures/classmap/BackslashLineEndingString.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace Foo;
+
+class SlashedA {
+    function foo() {
+        return sprintf("foo\
+                        bar");
+    }
+}
+
+class SlashedB {
+    function bar() {
+        print "baz";
+    }
+}