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<html>
    <head>
        <script src="../../resources/js-test-pre.js"></script>
    </head>
    <body>
        <p id="description"></p>
        <div id="console"></div>
        <script>
            description("Tests getUserMedia (Promise-based version on navigator.mediaDevices)");

            function setUserMediaPermission(isGranted) {
                if (window.testRunner)
                    testRunner.setUserMediaPermission(isGranted);
                else
                    debug("This test can not be run without the testRunner");
            }

            var stream;
            var errorArg;

            let audioConstraints;
            let videoConstraints;

            function invalidGotStream() {
                testFailed("Stream generated when an error should have occurred.");
                finishJSTest();
            }

            function error1(e) {
                testFailed(`Error callback called, error = ${e}`);
                finishJSTest();
            }

            function errorWithConstraints2(e) {
                testPassed("Error callback called.");
                errorArg = e;
                shouldBeEqualToString("errorArg.name", "OverconstrainedError");

                finishJSTest();
            }

            function errorWithConstraints1() {
                testPassed("Error callback called.");

                videoConstraints = {
                    width: {
                        max: -1,
                        ideal: 2
                    },
                    height: 11
                };
                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({audio:false, video:videoConstraints}).then(invalidGotStream).catch(errorWithConstraints2)");
            }

            function gotStreamWithConstraints3(s) {
                stream = s;
                testPassed("Stream 7 generated.");

                shouldBeEqualToString("stream.getVideoTracks()[0].getSettings().facingMode", "user");
                shouldBe("stream.getAudioTracks().length", "0");

                audioConstraints = {
                    sampleRate: {
                        min: .6,
                        max: .5,
                        ideal: 1.0
                    },
                    sampleRate: {
                        exact: 88000
                    }
                };
                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({audio:audioConstraints, video:false}).then(invalidGotStream).catch(errorWithConstraints1)");
            }

            function gotStreamWithConstraints2(s) {
                stream = s;
                testPassed("Stream 6 generated.");

                shouldBe("stream.getAudioTracks().length", "0");
                shouldBe("stream.getVideoTracks().length", "1");

                videoConstraints = {
                    facingMode: {
                        exact: ['user']
                    },
                };
                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({video:videoConstraints}).then(gotStreamWithConstraints3).catch(error1)");
            }

            function gotStreamWithConstraints1(s) {
                stream = s;
                testPassed("Stream 5 generated.");

                shouldBe("stream.getAudioTracks().length", "1");
                shouldBe("stream.getVideoTracks().length", "0");

                videoConstraints = {
                    width: {
                        min: 160,
                        max: 960,
                        ideal: 320
                    },
                    height: 240,
                    facingMode: {
                        exact: ['environment']
                    }
                };
                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({video:videoConstraints}).then(gotStreamWithConstraints2)");
            }

            function gotStream4(s) {
                stream = s;
                testPassed("Stream 4 generated.");
                shouldBe("stream.getAudioTracks().length", "1");
                shouldBe("stream.getVideoTracks().length", "1");

                audioConstraints = {
                    sampleRate: {
                        min: 44100,
                        exact: 44100,
                        max: 48000,
                        ideal: 44100
                    },
                    sampleSize: 11
                };
                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({audio:audioConstraints}).then(gotStreamWithConstraints1)");
            }

            function gotStream3(s) {
                stream = s;
                testPassed("Stream 3 generated.");
                shouldBe("stream.getAudioTracks().length", "1");
                shouldBe("stream.getVideoTracks().length", "1");

                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({audio:{}, video:{}}).then(gotStream4);");
            }

            function gotStream2(s) {
                stream = s;
                testPassed("Stream 2 generated.");
                shouldBe("stream.getAudioTracks().length", "0");
                shouldBe("stream.getVideoTracks().length", "1");

                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({audio:true, video:true}).then(gotStream3);");
            }

            function gotStream1(s) {
                stream = s;
                testPassed("Stream 1 generated.");
                shouldBe("stream.getAudioTracks().length", "1");
                shouldBe("stream.getVideoTracks().length", "0");

                debug("");
                shouldNotThrow("navigator.mediaDevices.getUserMedia({video:true}).then(gotStream2);")
            }

            navigator.mediaDevices.getUserMedia().then(invalidGotStream, function(error) {
                testPassed("navigator.mediaDevices.getUserMedia() rejected with error: " + error);
            });
            navigator.mediaDevices.getUserMedia({}).then(invalidGotStream, function(error) {
                testPassed("navigator.mediaDevices.getUserMedia({}) rejected with error: " + error);
            });
            shouldBe("typeof navigator.mediaDevices.webkitGetUserMedia", "'undefined'");
            setUserMediaPermission(true);
            debug("");
            shouldNotThrow("navigator.mediaDevices.getUserMedia({audio:true}).then(gotStream1);");
            navigator.mediaDevices.getUserMedia.apply(undefined, {audio:true}).then(invalidGotStream, function(error) {
                 testPassed("navigator.mediaDevices.getUserMedia.apply(undefined) rejected with error: " + error);
            });

            window.jsTestIsAsync = true;
            window.successfullyParsed = true;
        </script>
        <script src="../../resources/js-test-post.js"></script>
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