From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 dom/vr/test/mochitest/requestPresent.js | 74 +++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 dom/vr/test/mochitest/requestPresent.js

(limited to 'dom/vr/test/mochitest/requestPresent.js')

diff --git a/dom/vr/test/mochitest/requestPresent.js b/dom/vr/test/mochitest/requestPresent.js
new file mode 100644
index 0000000000..a2f9dd4d11
--- /dev/null
+++ b/dom/vr/test/mochitest/requestPresent.js
@@ -0,0 +1,74 @@
+// requestPresent.js
+//
+// This file provides helpers for testing VRDisplay requestPresent.
+
+function attachVRDisplay(test) {
+  assert_equals(
+    typeof navigator.getVRDisplays,
+    "function",
+    "'navigator.getVRDisplays()' must be defined."
+  );
+  return VRSimulationDriver.AttachWebVRDisplay();
+}
+
+function setupVRDisplay(test) {
+  assert_equals(
+    typeof navigator.getVRDisplays,
+    "function",
+    "'navigator.getVRDisplays()' must be defined."
+  );
+  return VRSimulationDriver.AttachWebVRDisplay()
+    .then(() => {
+      return navigator.getVRDisplays();
+    })
+    .then(displays => {
+      assert_equals(
+        displays.length,
+        1,
+        "displays.length must be one after attach."
+      );
+      vrDisplay = displays[0];
+      return validateNewVRDisplay(test, vrDisplay);
+    });
+}
+
+// Validate the settings off a freshly created VRDisplay (prior to calling
+// requestPresent).
+function validateNewVRDisplay(test, display) {
+  assert_true(
+    display.capabilities.canPresent,
+    "display.capabilities.canPresent must always be true for HMDs."
+  );
+  assert_equals(
+    display.capabilities.maxLayers,
+    1,
+    "display.capabilities.maxLayers must always be 1 when display.capabilities.canPresent is true for current spec revision."
+  );
+  assert_false(
+    display.isPresenting,
+    "display.isPresenting must be false before calling requestPresent."
+  );
+  assert_equals(
+    display.getLayers().length,
+    0,
+    "display.getLayers() should have no layers if not presenting."
+  );
+  var promise = display.exitPresent();
+  return promise_rejects(test, null, promise);
+}
+
+// Validate the settings off a VRDisplay after requestPresent promise is
+// rejected or after exitPresent is fulfilled.
+function validateDisplayNotPresenting(test, display) {
+  assert_false(
+    display.isPresenting,
+    "display.isPresenting must be false if requestPresent is rejected or after exitPresent is fulfilled."
+  );
+  assert_equals(
+    display.getLayers().length,
+    0,
+    "display.getLayers() should have no layers if requestPresent is rejected  or after exitPresent is fulfilled."
+  );
+  var promise = display.exitPresent();
+  return promise_rejects(test, null, promise);
+}
-- 
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