1 files changed, 19 insertions, 0 deletions
diff --git a/tests/spec/glsl-es-1.00/compiler/structure-and-array-operations/array-constant-index-negative.vert b/tests/spec/glsl-es-1.00/compiler/structure-and-array-operations/array-constant-index-negative.vert
new file mode 100644
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--- /dev/null
+++ b/tests/spec/glsl-es-1.00/compiler/structure-and-array-operations/array-constant-index-negative.vert
@@ -0,0 +1,19 @@
+/* [config]
+ * expect_result: fail
+ * glsl_version: 1.20
+ * glsles_version: 1.00
+ * [end config]
+ *
+ * From page 19 (page 25 of the PDF) of the GLSL 1.20 spec:
+ *
+ *     "It is also illegal to index an array with a negative constant
+ *     expression."
+ */
+
+
+uniform vec4 [6] an_array;
+
+void main()
+{
+  gl_Position = an_array[-1];
+}