Add several tests for vertex shader attributes

tests/attribute-01.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type int */
+attribute int i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-02.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type ivec2 */
+attribute ivec2 i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-03.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type ivec3 */
+attribute ivec3 i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-04.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type ivec4 */
+attribute ivec4 i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-05.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type bool */
+attribute bool i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-06.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type bvec2 */
+attribute bvec2 i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-07.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type bvec3 */
+attribute bvec3 i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-08.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have type bvec4 */
+attribute bvec4 i;
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-09.glsl

@@ -0,0 +1,7 @@
+/* FAIL - attribute cannot have array type in GLSL 1.10 */
+attribute vec4 i[10];
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-10.glsl

@@ -0,0 +1,8 @@
+#version 120
+/* FAIL - attribute cannot have array type in GLSL 1.20 */
+attribute vec4 i[10];
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}

tests/attribute-11.glsl

@@ -0,0 +1,8 @@
+#version 130
+/* PASS */
+attribute vec4 i[10];
+
+void main()
+{
+  gl_Position = vec4(1.0);
+}