Created the test case

PicoCreator · PicoCreator · commit be3f065e2185 · 2016-04-22T19:34:04.000+08:00
diff --git a/test/html/test-all.html b/test/html/test-all.html
@@ -37,6 +37,8 @@
 	<script src="../src/internal/GPUUtils_test.js"></script>
 	<script src="../src/internal/functionNode_test.js"></script>
 	<script src="../src/internal/functionBuilder_test.js"></script>
-
+	
+	<!-- bug issues -->
+	<script src="../src/issues/31-nested-var-declare_test.js"></script>
 </body>
 </html>
diff --git a/test/src/issues/31-nested-var-declare_test.js b/test/src/issues/31-nested-var-declare_test.js
@@ -0,0 +1,37 @@
+//
+// See: https://github.com/gpujs/gpu.js/issues/31
+//
+function nestedVarDeclare( mode ) {
+	var gpu = new GPU();
+	var f = gpu.createKernel(function() {
+		var ret = 0.0;
+		
+		// outer loop limit is effectively skipped in CPU
+		for(var i=0; i<10; ++i) {
+			// inner loop limit should be higher, to avoid infinite loops
+			for(var i=0; i<20; ++i) {
+				ret += 1;
+			}
+		}
+		
+		return ret;
+	}, {
+		dimensions : [1],
+		mode : mode
+	});
+
+	QUnit.ok( f !== null, "function generated test");
+	QUnit.close(f(), 20, 0.00, "basic return function test");
+}
+
+QUnit.test( "Issue #31 - nestedVarDeclare (auto)", function() {
+	nestedVarDeclare(null);
+});
+
+QUnit.test( "Issue #31 - nestedVarDeclare (GPU)", function() {
+	nestedVarDeclare("gpu");
+});
+
+QUnit.test( "Issue #31 - nestedVarDeclare (CPU)", function() {
+	nestedVarDeclare("cpu");
+});
