Add tests for PHP_CodeCoverage::setPromoteGlobals().

Author: sebastianbergmann

Tests/PHP/CodeCoverageTest.php

@@ -188,6 +188,26 @@ public function testSetProcessUncoveredFilesFromWhitelist()
         );
     }
 
+    /**
+     * @covers PHP_CodeCoverage::setPromoteGlobals
+     */
+    public function testSetPromoteGlobals()
+    {
+        $coverage = new PHP_CodeCoverage;
+        $coverage->setPromoteGlobals(TRUE);
+        $this->assertAttributeEquals(TRUE, 'promoteGlobals', $coverage);
+    }
+
+    /**
+     * @covers            PHP_CodeCoverage::setPromoteGlobals
+     * @expectedException InvalidArgumentException
+     */
+    public function testSetPromoteGlobalsThrowsExceptionForInvalidArgument()
+    {
+        $coverage = new PHP_CodeCoverage;
+        $coverage->setPromoteGlobals(NULL);
+    }
+
     /**
      * @covers PHP_CodeCoverage::clear
      */