1 files changed, 82 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/more/conformance/quickCheckAPIBadArgs.html b/dom/canvas/test/webgl-conf/checkout/conformance/more/conformance/quickCheckAPIBadArgs.html
new file mode 100644
index 0000000000..fb65bf2ad1
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/conformance/more/conformance/quickCheckAPIBadArgs.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<!--
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+-->
+<link rel="stylesheet" type="text/css" href="../unit.css" />
+<script type="application/javascript" src="../unit.js"></script>
+<script type="application/javascript" src="../util.js"></script>
+<script type="application/javascript" src="quickCheckAPI.js"></script>
+
+<script type="application/javascript">
+
+// Test that all GL functions specified in ArgGenerators fail
+// when called with randomly generated invalid arguments
+// Works only on tests with checkArgValidity defined
+Tests.testInvalidArgs = function() {
+  var randomTestCount = 100;
+  for (var name in ArgGenerators) {
+    try {
+      if (!GL[name])
+        throw (new Error(name + " is missing from the WebGL context"));
+      var argGen = ArgGenerators[name];
+      var alreadyTriedArgs = {};
+      if (!argGen.generate || !argGen.checkArgValidity) continue;
+      // test each GL function with randomTestCount randomly generated valid args
+      argGeneratorTestRunner(argGen, function(args, gen, setupVars) {
+        var mutatedArgs;
+        var foundArgs = false;
+        for (var j=0; j<100; j++) {
+          mutatedArgs = mutateArgs(args);
+          var validArgs = false;
+          try {
+            validArgs = gen.checkArgValidity.apply(gen, mutatedArgs);
+          } catch(e) {}
+          if (!validArgs) {
+            if (gen.noAlreadyTriedCheck) {
+              foundArgs = true;
+              break; // found new invalid args
+            }
+            var src = Object.toSource(mutatedArgs);
+            if (!alreadyTriedArgs[src]) {
+              alreadyTriedArgs[src] = true;
+              foundArgs = true;
+              break; // found new invalid args
+            }
+          }
+        }
+        if (!foundArgs)
+          return true;
+        var ok = false;
+        var rv;
+        // assert that GL function fails when called with invalid args
+        assertFail("This should fail: "+name+"("+argsToString(mutatedArgs)+")",
+          function(){
+            GL.getError(); // clear off existing error
+            rv = GL[name].apply(GL, mutatedArgs);
+            throwError(GL, name);
+            ok = true;
+          });
+        // if we need to cleanup the return value, do it here
+        // e.g. calling gl.deleteBuffer(rv) after testing gl.createBuffer() above
+        if (gen.returnValueCleanup && rv != null) {
+          assertOk("Cleaning up return value after "+name+"("+argsToString(mutatedArgs)+")",
+                   function() { gen.returnValueCleanup(rv); });
+        }
+        GL.getError();
+        return !ok;
+      }, argGen.testCount || randomTestCount);
+    } catch(e) {
+      testFailed(name, e.name, formatError(e));
+    }
+  }
+}
+
+</script>
+<style>canvas{position:absolute;}</style>
+</head><body>
+</body></html>