[vr] Exit VR mode when we encounter unsupported URLs

chrome/browser/android/vr_shell/textures/url_bar_texture_unittest.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/vr_shell/textures/url_bar_texture.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 134 matching lines @@
   texture.DrawURL(GURL("https://foo.com"));
   EXPECT_EQ(UiUnsupportedMode::kCount, texture.unsupported_mode());
   texture.SetForceFontFallbackFailure(true);
   texture.DrawURL(GURL("https://bar.com"));
   EXPECT_EQ(UiUnsupportedMode::kUnhandledCodePoint, texture.unsupported_mode());
   texture.SetForceFontFallbackFailure(false);
   texture.DrawURL(GURL("https://baz.com"));
   EXPECT_EQ(UiUnsupportedMode::kCount, texture.unsupported_mode());
 }
 
+TEST(UrlBarTexture, ElisionIsAnUnsupportedMode) {
+  TestUrlBarTexture texture;
+  texture.DrawURL(GURL(
+      "https://"
+      "thereisnopossiblewaythatthishostnamecouldbecontainedinthelimitedspacetha"
+      "tweareaffordedtousitsreallynotsomethingweshouldconsiderorplanfororpinour"
+      "hopesonlestwegetdisappointedor.sad.com"));
+  EXPECT_EQ(UiUnsupportedMode::kCouldNotElideURL, texture.unsupported_mode());
+}
+
+TEST(UrlBarTexture, ShortURLAreIndeedSupported) {
+  TestUrlBarTexture texture;
+  texture.DrawURL(GURL("https://short.com/"));
+  EXPECT_EQ(UiUnsupportedMode::kCount, texture.unsupported_mode());
+}
+
+TEST(UrlBarTexture, LongPathsDoNotRequireElisionAndAreSupported) {
+  TestUrlBarTexture texture;
+  texture.DrawURL(GURL(
+      "https://something.com/"
+      "thereisnopossiblewaythatthishostnamecouldbecontainedinthelimitedspacetha"
+      "tweareaffordedtousitsreallynotsomethingweshouldconsiderorplanfororpinour"
+      "hopesonlestwegetdisappointedorsad.com"));
+  EXPECT_EQ(UiUnsupportedMode::kCount, texture.unsupported_mode());
+}
+
 }  // namespace vr_shell