Audio: test Buffer construction.

src/Magnum/Audio/Test/BufferTest.cpp

@@ -27,17 +27,27 @@
 #include <Corrade/TestSuite/Tester.h>
 
 #include "Magnum/Audio/Buffer.h"
+#include "Magnum/Audio/Context.h"
 
 namespace Magnum { namespace Audio { namespace Test {
 
 struct BufferTest: TestSuite::Tester {
     explicit BufferTest();
 
+    void construct();
     void debugFormat();
+
+    Context _context;
 };
 
 BufferTest::BufferTest() {
-    addTests({&BufferTest::debugFormat});
+    addTests({&BufferTest::construct,
+              &BufferTest::debugFormat});
+}
+
+void BufferTest::construct() {
+    Buffer buf;
+    CORRADE_VERIFY(buf.id() != 0);
 }
 
 void BufferTest::debugFormat() {