//go:build !dnum package grid2 import ( "testing" "github.com/stretchr/testify/assert" ) func TestGrid_HasPrice(t *testing.T) { t.Run("case1", func(t *testing.T) { upper := number(500.0) lower := number(100.0) size := number(5.0) grid := NewGrid(lower, upper, size, number(0.01)) grid.CalculateArithmeticPins() assert.True(t, grid.HasPrice(number(500.0)), "upper price") assert.True(t, grid.HasPrice(number(100.0)), "lower price") assert.True(t, grid.HasPrice(number(200.0)), "found 200 price ok") assert.True(t, grid.HasPrice(number(300.0)), "found 300 price ok") }) t.Run("case2", func(t *testing.T) { upper := number(0.9) lower := number(0.1) size := number(7.0) grid := NewGrid(lower, upper, size, number(0.00000001)) grid.CalculateArithmeticPins() assert.Equal(t, []Pin{ Pin(number(0.1)), Pin(number(0.23333333)), Pin(number(0.36666666)), Pin(number(0.49999999)), Pin(number(0.63333332)), Pin(number(0.76666665)), Pin(number(0.9)), }, grid.Pins) assert.False(t, grid.HasPrice(number(200.0)), "out of range") assert.True(t, grid.HasPrice(number(0.9)), "upper price") assert.True(t, grid.HasPrice(number(0.1)), "lower price") assert.True(t, grid.HasPrice(number(0.49999999)), "found 0.49999999 price ok") }) t.Run("case3", func(t *testing.T) { upper := number(0.9) lower := number(0.1) size := number(7.0) grid := NewGrid(lower, upper, size, number(0.0001)) grid.CalculateArithmeticPins() assert.Equal(t, []Pin{ Pin(number(0.1)), Pin(number(0.2333)), Pin(number(0.3666)), Pin(number(0.5000)), Pin(number(0.6333)), Pin(number(0.7666)), Pin(number(0.9)), }, grid.Pins) assert.False(t, grid.HasPrice(number(200.0)), "out of range") assert.True(t, grid.HasPrice(number(0.9)), "upper price") assert.True(t, grid.HasPrice(number(0.1)), "lower price") assert.True(t, grid.HasPrice(number(0.5)), "found 0.5 price ok") assert.True(t, grid.HasPrice(number(0.2333)), "found 0.2333 price ok") }) t.Run("case4", func(t *testing.T) { upper := number(90.0) lower := number(10.0) size := number(7.0) grid := NewGrid(lower, upper, size, number(0.001)) grid.CalculateArithmeticPins() assert.Equal(t, []Pin{ Pin(number("10.0")), Pin(number("23.333")), Pin(number("36.666")), Pin(number("50.00")), Pin(number("63.333")), Pin(number("76.666")), Pin(number("90.0")), }, grid.Pins) assert.False(t, grid.HasPrice(number(200.0)), "out of range") assert.True(t, grid.HasPrice(number("36.666")), "found 36.666 price ok") }) }