QUnit.test('Automatic column width on log X axis (#4870)', function (assert) {
    var chart = Highcharts.chart('container', {
        xAxis: {
            type: 'logarithmic'
        },
        series: [
            {
                type: 'column',
                //"pointWidth": 10,
                data: [
                    {
                        x: 1,
                        y: 1
                    },
                    {
                        x: 2,
                        y: 2
                    },
                    {
                        x: 3,
                        y: 3
                    },
                    {
                        x: 4,
                        y: 4
                    },
                    {
                        x: 5,
                        y: 5
                    }
                ]
            }
        ]
    });

    var bBox3 = chart.series[0].points[3].graphic.getBBox(),
        bBox4 = chart.series[0].points[4].graphic.getBBox();

    assert.strictEqual(typeof bBox3.x, 'number', 'Box is ok');
    assert.strictEqual(typeof bBox3.width, 'number', 'Box is ok');
    assert.strictEqual(typeof bBox4.x, 'number', 'Box is ok');
    assert.ok(bBox3.x + bBox3.width < bBox4.x, 'No overlapping points');
});

QUnit.test(
    'Missing minor tick lines before and after extremes for a column chart.',
    function (assert) {
        var chart = $('#container')
                .highcharts({
                    xAxis: {
                        // easier for tests - otherwise floating numbers in JS
                        //gives error, for example: 0.9-0.3 = 0.6000000001 etc.
                        //but we need to test strict numbers
                        minorTickInterval: 1
                    },
                    series: [
                        {
                            data: [
                                29.9,
                                71.5,
                                106.4,
                                129.2,
                                144.0,
                                176.0,
                                135.6,
                                148.5,
                                216.4,
                                194.1,
                                95.6,
                                54.4
                            ],
                            pointInterval: 10,
                            type: 'column'
                        }
                    ]
                })
                .highcharts(),
            minorTicks = chart.xAxis[0].minorTicks,
            firstTick = minorTicks['-6'],
            lastTick = minorTicks['116'],
            UNDEFINED;

        assert.strictEqual(
            firstTick !== UNDEFINED &&
                firstTick.gridLine !== UNDEFINED &&
                firstTick.gridLine.element instanceof SVGElement,
            true,
            'Proper first minor tick.'
        );
        assert.strictEqual(
            lastTick !== UNDEFINED &&
                lastTick.gridLine !== UNDEFINED &&
                lastTick.gridLine.element instanceof SVGElement,
            true,
            'Proper last minor tick.'
        );
    }
);

QUnit.test('Minor ticks should not affect extremes (#6330)', function (assert) {
    var chart = Highcharts.chart('container', {
        yAxis: {
            type: 'logarithmic',
            minorTickInterval: 'auto'
        },

        series: [
            {
                data: [3, 12, 3]
            }
        ]
    });

    var extremes = chart.yAxis[0].getExtremes();
    assert.ok(
        extremes.max > extremes.dataMax,
        'Y axis max is bigger than data'
    );
});

QUnit.test(
    'Minor ticks should extend past major ticks (#6330)',
    function (assert) {
        var chart = Highcharts.chart('container', {
            chart: {
                width: 600,
                height: 300
            },

            xAxis: {
                type: 'logarithmic',
                minorTickInterval: 'auto'
            },

            series: [
                {
                    data: [
                        [0.42, 1],
                        [1.7, 2]
                    ]
                }
            ]
        });

        var gridLines = chart.container.querySelectorAll(
            '.highcharts-grid-line'
        );
        var minorGridLines = chart.container.querySelectorAll(
            '.highcharts-minor-grid-line'
        );
        assert.ok(
            minorGridLines.length > 0 &&
                minorGridLines[0].getBBox().x < gridLines[0].getBBox().x,
            'Minor grid lines outside major grid lines'
        );
        assert.ok(
            minorGridLines.length > 0 &&
                minorGridLines[minorGridLines.length - 1].getBBox().x >
                    gridLines[gridLines.length - 1].getBBox().x,
            'Minor grid lines outside major grid lines'
        );
    }
);

QUnit.test('Linear-log axis with natural min at 0 (#6502)', function (assert) {
    var chart = Highcharts.chart('container', {
        chart: {
            height: 1800
        },

        yAxis: [
            {},
            {
                type: 'logarithmic',
                opposite: true
            }
        ],
        series: [
            {
                data: [5, 7]
            },
            {
                data: [90, 107],
                yAxis: 1
            },
            {
                data: [4.9, 13],
                yAxis: 1
            }
        ]
    });

    assert.notEqual(chart.yAxis[1].min, -Infinity, 'Axis min is ok');
});

// Highcharts 4.0.1, Issue #3053
// Logarithmic xAxis for line series
QUnit.test('Cropping log axis (#3053)', function (assert) {
    var data = [];

    for (var i = 1; i < 901; i++) {
        data.push([i, i]);
    }

    TestTemplate.test(
        'highcharts/scatter',
        {
            xAxis: {
                type: 'logarithmic'
            },

            plotOptions: {
                series: {
                    lineWidth: 1
                }
            },

            series: [
                {
                    data: data
                }
            ]
        },
        function (template) {
            var chart = template.chart;

            assert.strictEqual(
                chart.series[0].length,
                chart.options.series[0].length,
                'All points should be rendered.'
            );

            chart.update({
                plotOptions: {
                    series: {
                        lineWidth: 2
                    }
                }
            });

            assert.strictEqual(
                chart.series[0].length,
                chart.options.series[0].length,
                'Still all points should be rendered.'
            );
        }
    );
});

// Highcharts v4.0.3, Issue #3353
// switching yAxis from between linear and logarithmic creates
// inconsistencies with 1 values
QUnit.test('Y axis minimum got stuck (#3353)', function (assert) {
    var chart = Highcharts.chart('container', {
        chart: {
            type: 'column'
        },
        yAxis: {
            type: 'logarithmic'
        },
        credits: {
            enabled: false
        },
        series: [
            {
                name: 'Year 1800',
                data: [1, 3, 2]
            }
        ]
    });

    var preUpdatesTick = chart.yAxis[0].tickPositions[0];

    chart.yAxis[0].update({ type: 'linear' });
    var linearUpdateTick = chart.yAxis[0].tickPositions[0];
    assert.notEqual(
        preUpdatesTick,
        linearUpdateTick,
        'Y minimum value should not be logarithmic.'
    );

    chart.yAxis[0].update({ type: 'logarithmic' });
    var postUpdatesTick = chart.yAxis[0].tickPositions[0];
    assert.strictEqual(
        preUpdatesTick,
        postUpdatesTick,
        'Y minimum value should not be changed when updating yAxis type'
    );
});

QUnit.test('Negative values on the log axes.', function (assert) {
    const chart = Highcharts.chart('container', {
        xAxis: [
            {
                type: 'logarithmic'
            },
            {}
        ],
        yAxis: [
            {
                type: 'logarithmic'
            },
            {}
        ],
        series: [
            {
                xAxis: 0,
                yAxis: 0,
                data: [
                    [-3, -5],
                    [-1, 2],
                    [0, -2],
                    [1, -5],
                    [10, 10]
                ]
            },
            {
                xAxis: 0,
                yAxis: 1,
                data: [
                    [-3, -5],
                    [-1, 2],
                    [0, -2],
                    [1, -5],
                    [10, 10]
                ]
            },
            {
                xAxis: 1,
                yAxis: 0,
                data: [
                    [-3, -5],
                    [-1, 2],
                    [0, -2],
                    [1, -5],
                    [10, 10]
                ]
            },
            {
                xAxis: 1,
                yAxis: 1,
                data: [
                    [-3, -5],
                    [-1, 2],
                    [0, -2],
                    [1, -5],
                    [10, 10]
                ]
            }
        ]
    });

    assert.strictEqual(
        chart.xAxis[0].dataMin,
        1,
        'Negative xValues should not be present on the log axis under ' +
            'the xAxis.dataMin.'
    );

    assert.strictEqual(
        chart.yAxis[0].dataMin,
        2,
        'Negative yValues should not be present on the log axis under ' +
            'the xAxis.dataMin.'
    );

    assert.strictEqual(
        chart.xAxis[1].dataMin,
        -3,
        'Negative xValues should be present on the log axis under ' +
            'the xAxis.dataMin.'
    );

    assert.strictEqual(
        chart.yAxis[1].dataMin,
        -5,
        'Negative yValues should be present on the log axis under ' +
            'the yAxis.dataMin.'
    );

    assert.deepEqual(
        chart.series[0].points.map(point => point.isNull),
        [true, true, true, true, false],
        'Points with negative value should be discarded when both axes ' +
            'are logarithmic.  '
    );

    assert.deepEqual(
        chart.series[1].points.map(point => point.isNull),
        [true, true, true, false, false],
        'Points with negative xValues should be discarded when xAxis ' +
            'is logarithmic.'
    );

    assert.deepEqual(
        chart.series[2].points.map(point => point.isNull),
        [true, false, true, true, false],
        'Points with negative yValues should be discarded when yAxis ' +
            'is logarithmic.'
    );

    assert.strictEqual(
        chart.series[3].points.filter(point => point.isNull).length,
        0,
        'Points with negative value should not be discarded when both ' +
            'axes are linear.'
    );

    assert.ok(true, 'Should not throw error.');
});
