package chart import ( "testing" "github.com/blendlabs/go-assert" ) func TestGenerateGridLines(t *testing.T) { assert := assert.New(t) ticks := []Tick{ {Value: 1.0, Label: "1.0"}, {Value: 2.0, Label: "2.0"}, {Value: 3.0, Label: "3.0"}, {Value: 4.0, Label: "4.0"}, } gl := GenerateGridLines(ticks, true) assert.Len(gl, 4) assert.Equal(1.0, gl[0].Value) assert.Equal(2.0, gl[1].Value) assert.Equal(3.0, gl[2].Value) assert.Equal(4.0, gl[3].Value) assert.True(gl[0].IsVertical) }