glslang testing: Remove dependence on testfiles from LunarGLASS.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31512 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/prepost.frag

@@ -0,0 +1,38 @@
+#version 140
+
+void main()
+{
+    struct s {
+        float y[5];
+    } str;
+
+    float t;
+    int index = 5;  // all indexing is 4
+
+    str.y[4] = 2.0;             // 2.0
+    t = ++str.y[--index];       // 3.0
+    str.y[4] += t;              // 6.0
+    t = str.y[4]--;             // 5.0 (t = 6.0)
+    str.y[index++] += t;        // 11.0
+    --str.y[--index];           // 10.0
+
+    float x = str.y[4];
+	++x;
+	--x;
+	x++;
+	x--;
+
+	// x is 10.0
+
+	float y = x * ++x;  // 10 * 11
+	float z = y * x--;  // 110 * 11
+
+    // x is 10.0
+    // z is 1210.0
+
+    vec4 v = vec4(1.0, 2.0, 3.0, 4.0);
+    v.y = v.z--;  // (1,3,2,4)
+    v.x = --v.w;  // (3,3,2,3)
+
+    gl_FragColor = z * v;// (3630.0, 3630.0, 2420.0, 3630.0)
+}