components/test_runner/mock_constraints.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/test_runner/mock_constraints.h"
   6
   7 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
   8 #include "third_party/WebKit/public/platform/WebString.h"
   9
  10 using blink::WebMediaConstraint;
  11 using blink::WebMediaConstraints;
  12 using blink::WebString;
  13 using blink::WebVector;
  14
  15 namespace test_runner {
  16
  17 namespace {
  18
  19 bool IsSupported(const WebString& constraint) {
  20   return constraint == "valid_and_supported_1" ||
  21          constraint == "valid_and_supported_2";
  22 }
  23
  24 bool IsValid(const WebString& constraint) {
  25   return IsSupported(constraint) || constraint == "valid_but_unsupported_1" ||
  26          constraint == "valid_but_unsupported_2";
  27 }
  28
  29 }  // namespace
  30
  31 bool MockConstraints::VerifyConstraints(const WebMediaConstraints& constraints,
  32                                         WebString* failed_constraint) {
  33   WebVector<WebMediaConstraint> mandatory_constraints;
  34   constraints.getMandatoryConstraints(mandatory_constraints);
  35   if (mandatory_constraints.size()) {
  36     for (size_t i = 0; i < mandatory_constraints.size(); ++i) {
  37       const WebMediaConstraint& curr = mandatory_constraints[i];
  38       if (!IsSupported(curr.m_name) || curr.m_value != "1") {
  39         if (failed_constraint)
  40           *failed_constraint = curr.m_name;
  41         return false;
  42       }
  43     }
  44   }
  45
  46   WebVector<WebMediaConstraint> optional_constraints;
  47   constraints.getOptionalConstraints(optional_constraints);
  48   if (optional_constraints.size()) {
  49     for (size_t i = 0; i < optional_constraints.size(); ++i) {
  50       const WebMediaConstraint& curr = optional_constraints[i];
  51       if (!IsValid(curr.m_name) || curr.m_value != "0") {
  52         if (failed_constraint)
  53           *failed_constraint = curr.m_name;
  54         return false;
  55       }
  56     }
  57   }
  58
  59   return true;
  60 }
  61
  62 }  // namespace test_runner