1 files changed, 71 insertions, 0 deletions
diff --git a/testing/web-platform/tests/virtual-keyboard/vk_support.js b/testing/web-platform/tests/virtual-keyboard/vk_support.js
new file mode 100644
index 0000000000..e40216dd44
--- /dev/null
+++ b/testing/web-platform/tests/virtual-keyboard/vk_support.js
@@ -0,0 +1,71 @@
+// Ends a manual test. Must be called before any async tests are started.
+function skipManualTest() {
+    test(function() { assert_true(false); }, "Manual Test Skipped");
+    done();
+}
+
+var stepInstructions = [];
+var testNames = [];
+var stepFunctions = [];
+var steps;
+var curStep = 0;
+
+// Adds a manual test step to the test. A test will add a series of steps,
+// along with instructions.  Once all the tests steps are added, the test can
+// be run by continually running the nextStep() function. All manual test steps
+// must be added before calling nextStep.
+//
+// |func| A function to be executed at the given step. This function can include
+//        testharness assertions if |testName| is provided. If this is the last
+//        step, the |done()| function (used for manual testharness.js tests)
+//        will be called after |func| is executed.
+// |testName| If provided, the |func| will be wrapped in a testharness.js
+//            async_test with this name. If null, |func| will be executed as a
+//            free function.
+// |instructions| The text to display to the user. Note, these are shown after
+//                step is executed so these should be instructions to setup the
+//                checks in the next step.
+function addManualTestStep(func, testName, instructions) {
+    stepFunctions.push(func);
+    testNames.push(testName);
+    stepInstructions.push(instructions);
+}
+
+// Runs the next step of the test. This must be called only after all test steps
+// have been added using |addManualTestStep|.
+//
+// |callbackFunc| If provided, will be called with a single argument being the
+//                instruction string for the current step. Use this to update
+//                any necessary UI.
+function nextStep(callbackFunc) {
+    if (curStep == 0)
+      _startManualTest();
+
+    if (typeof(callbackFunc) === 'function')
+        callbackFunc(stepInstructions[curStep]);
+
+    steps[curStep]();
+    curStep++;
+}
+
+function _startManualTest() {
+    steps = [];
+    for (let i = 0; i < stepFunctions.length; ++i) {
+        var stepFunc = stepFunctions[i];
+        var testName = testNames[i];
+        if (testName) {
+            steps.push(async_test(testName).step_func(function() {
+                stepFunctions[i]();
+                this.done();
+                if (i == stepFunctions.length - 1)
+                    done();
+            }));
+        } else {
+            steps.push(function() {
+                stepFunctions[i]();
+                if (i == stepFunctions.length - 1)
+                    done();
+            });
+        }
+    }
+}