// MIT License // Copyright (c) 2021 Tree Xie // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. package charts import ( "math" "testing" "github.com/stretchr/testify/assert" "github.com/wcharczuk/go-chart/v2" ) func TestRange(t *testing.T) { assert := assert.New(t) r := Range{ ContinuousRange: chart.ContinuousRange{ Min: 0, Max: 5, Domain: 500, }, } assert.Equal(100, r.Translate(1)) r.TickPosition = chart.TickPositionBetweenTicks assert.Equal(50, r.Translate(1)) } func TestHiddenRange(t *testing.T) { assert := assert.New(t) r := HiddenRange{} assert.Equal(float64(0), r.GetDelta()) } func TestYContinuousRange(t *testing.T) { assert := assert.New(t) r := YContinuousRange{} r.Min = -math.MaxFloat64 r.Max = math.MaxFloat64 assert.True(r.IsZero()) r.SetMin(1.0) assert.Equal(1.0, r.GetMin()) // 再次设置无效 r.SetMin(2.0) assert.Equal(1.0, r.GetMin()) r.SetMax(5.0) // *1.2 assert.Equal(6.0, r.GetMax()) // 再次设置无效 r.SetMax(10.0) assert.Equal(6.0, r.GetMax()) }