60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package chart
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import (
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"testing"
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"github.com/wcharczuk/go-chart/v2/testutil"
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)
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func TestGenerateContinuousTicks(t *testing.T) {
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// replaced new assertions helper
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f, err := GetDefaultFont()
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testutil.AssertNil(t, err)
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r, err := PNG(1024, 1024)
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testutil.AssertNil(t, err)
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r.SetFont(f)
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ra := &ContinuousRange{
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Min: 0.0,
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Max: 10.0,
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Domain: 256,
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}
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vf := FloatValueFormatter
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ticks := GenerateContinuousTicks(r, ra, false, Style{}, vf)
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testutil.AssertNotEmpty(t, ticks)
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testutil.AssertLen(t, ticks, 11)
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testutil.AssertEqual(t, 0.0, ticks[0].Value)
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testutil.AssertEqual(t, 10, ticks[len(ticks)-1].Value)
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}
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func TestGenerateContinuousTicksDescending(t *testing.T) {
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// replaced new assertions helper
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f, err := GetDefaultFont()
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testutil.AssertNil(t, err)
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r, err := PNG(1024, 1024)
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testutil.AssertNil(t, err)
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r.SetFont(f)
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ra := &ContinuousRange{
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Min: 0.0,
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Max: 10.0,
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Domain: 256,
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Descending: true,
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}
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vf := FloatValueFormatter
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ticks := GenerateContinuousTicks(r, ra, false, Style{}, vf)
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testutil.AssertNotEmpty(t, ticks)
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testutil.AssertLen(t, ticks, 11)
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testutil.AssertEqual(t, 10.0, ticks[0].Value)
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testutil.AssertEqual(t, 9.0, ticks[1].Value)
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testutil.AssertEqual(t, 1.0, ticks[len(ticks)-2].Value)
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testutil.AssertEqual(t, 0.0, ticks[len(ticks)-1].Value)
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}
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