Add some CPP tests.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20457 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/cppComplexExpr.vert

@@ -0,0 +1,40 @@
+#define ON1
+#define ON2
+
+float sum = 0.0;
+
+void main()
+{
+#if defined(ON1) && (defined(OFF) || defined(ON2))
+//yes
+    sum += 1.0;
+#endif
+
+#if !defined(ON1) || (defined(OFF) || (!defined(OFF2) && defined(ON2)))
+//yes
+    sum += 20.0;
+#endif
+
+#if defined(ON1) && (defined(OFF) || !defined(ON2))
+//no
+    sum += 0.1;
+#endif
+
+#if !defined(ON1) || (defined(OFF) || !defined(OFF2) && !defined(ON2))
+//no
+    sum += 0.2;
+#endif
+
+#if !defined(ON1) || !defined(OFF) || defined(ON2) && defined(OFF2)
+//yes
+    sum += 300.0;
+#endif
+
+#if (!defined(ON1) || !defined(OFF) || defined(ON2)) && defined(OFF2)
+//no
+    sum += 0.4;
+#endif
+
+// sum should be 321.0
+    gl_Position = vec4(sum);
+}