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      1 // Copyright 2014 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 "content/test/webrtc_content_browsertest_base.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/strings/stringprintf.h"
      9 #include "base/strings/utf_string_conversions.h"
     10 #include "content/public/common/content_switches.h"
     11 #include "content/public/test/browser_test_utils.h"
     12 #include "content/public/test/content_browser_test_utils.h"
     13 #include "content/shell/browser/shell.h"
     14 #include "media/base/media_switches.h"
     15 
     16 #if defined(OS_CHROMEOS)
     17 #include "chromeos/audio/cras_audio_handler.h"
     18 #endif
     19 
     20 namespace content {
     21 
     22 void WebRtcContentBrowserTest::SetUpCommandLine(CommandLine* command_line) {
     23   // We need fake devices in this test since we want to run on naked VMs. We
     24   // assume these switches are set by default in content_browsertests.
     25   ASSERT_TRUE(CommandLine::ForCurrentProcess()->HasSwitch(
     26       switches::kUseFakeDeviceForMediaStream));
     27   ASSERT_TRUE(CommandLine::ForCurrentProcess()->HasSwitch(
     28       switches::kUseFakeUIForMediaStream));
     29 
     30   // Always include loopback interface in network list, in case the test device
     31   // doesn't have other interfaces available.
     32   CommandLine::ForCurrentProcess()->AppendSwitch(
     33       switches::kAllowLoopbackInPeerConnection);
     34 }
     35 
     36 void WebRtcContentBrowserTest::SetUp() {
     37   EnablePixelOutput();
     38 #if defined(OS_CHROMEOS)
     39     chromeos::CrasAudioHandler::InitializeForTesting();
     40 #endif
     41   ContentBrowserTest::SetUp();
     42 }
     43 
     44 void WebRtcContentBrowserTest::TearDown() {
     45   ContentBrowserTest::TearDown();
     46 #if defined(OS_CHROMEOS)
     47     chromeos::CrasAudioHandler::Shutdown();
     48 #endif
     49 }
     50 
     51 // Executes |javascript|. The script is required to use
     52 // window.domAutomationController.send to send a string value back to here.
     53 std::string WebRtcContentBrowserTest::ExecuteJavascriptAndReturnResult(
     54     const std::string& javascript) {
     55   std::string result;
     56   EXPECT_TRUE(ExecuteScriptAndExtractString(shell()->web_contents(),
     57                                             javascript,
     58                                             &result));
     59   return result;
     60 }
     61 
     62 void WebRtcContentBrowserTest::ExecuteJavascriptAndWaitForOk(
     63     const std::string& javascript) {
     64    std::string result = ExecuteJavascriptAndReturnResult(javascript);
     65    if (result != "OK") {
     66      printf("From javascript: %s", result.c_str());
     67      FAIL();
     68    }
     69  }
     70 
     71 std::string WebRtcContentBrowserTest::GenerateGetUserMediaCall(
     72     const char* function_name,
     73     int min_width,
     74     int max_width,
     75     int min_height,
     76     int max_height,
     77     int min_frame_rate,
     78     int max_frame_rate) const {
     79   return base::StringPrintf(
     80       "%s({video: {mandatory: {minWidth: %d, maxWidth: %d, "
     81       "minHeight: %d, maxHeight: %d, minFrameRate: %d, maxFrameRate: %d}, "
     82       "optional: []}});",
     83       function_name,
     84       min_width,
     85       max_width,
     86       min_height,
     87       max_height,
     88       min_frame_rate,
     89       max_frame_rate);
     90 }
     91 
     92 void WebRtcContentBrowserTest::DisableOpusIfOnAndroid() {
     93 #if defined(OS_ANDROID)
     94   // Always force iSAC 16K on Android for now (Opus is broken).
     95   EXPECT_EQ("isac-forced",
     96             ExecuteJavascriptAndReturnResult("forceIsac16KInSdp();"));
     97 #endif
     98 }
     99 
    100 }  // namespace content
    101