Import TestRunner library into chromium.

content/test/layout_tests/runner/MockConstraints.cpp

+// Copyright 2013 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.
+
+/*
+ * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "content/test/layout_tests/runner/MockConstraints.h"
+
+#include "third_party/WebKit/public/platform/WebMediaConstraints.h"
+#include "third_party/WebKit/public/platform/WebString.h"
+
+using namespace blink;
+
+namespace WebTestRunner {
+
+namespace {
+
+bool isSupported(const WebString& constraint)
+{
+    return constraint == "valid_and_supported_1" || constraint == "valid_and_supported_2";
+}
+
+bool isValid(const WebString& constraint)
+{
+    return isSupported(constraint) || constraint == "valid_but_unsupported_1" || constraint == "valid_but_unsupported_2";
+}
+
+}
+
+bool MockConstraints::verifyConstraints(const WebMediaConstraints& constraints, WebString* failedConstraint)
+{
+    WebVector<WebMediaConstraint> mandatoryConstraints;
+    constraints.getMandatoryConstraints(mandatoryConstraints);
+    if (mandatoryConstraints.size()) {
+        for (size_t i = 0; i < mandatoryConstraints.size(); ++i) {
+            const WebMediaConstraint& curr = mandatoryConstraints[i];
+            if (!isSupported(curr.m_name) || curr.m_value != "1") {
+                if (failedConstraint)
+                    *failedConstraint = curr.m_name;
+                return false;
+            }
+        }
+    }
+
+    WebVector<WebMediaConstraint> optionalConstraints;
+    constraints.getOptionalConstraints(optionalConstraints);
+    if (optionalConstraints.size()) {
+        for (size_t i = 0; i < optionalConstraints.size(); ++i) {
+            const WebMediaConstraint& curr = optionalConstraints[i];
+            if (!isValid(curr.m_name) || curr.m_value != "0") {
+                if (failedConstraint)
+                    *failedConstraint = curr.m_name;
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+}