Files
lancet/mathutil/mathutil_test.go
2022-03-22 10:26:43 +08:00

83 lines
2.2 KiB
Go

package mathutil
import (
"testing"
"github.com/duke-git/lancet/v2/internal"
)
func TestExponent(t *testing.T) {
assert := internal.NewAssert(t, "TestExponent")
assert.Equal(int64(1), Exponent(10, 0))
assert.Equal(int64(10), Exponent(10, 1))
assert.Equal(int64(100), Exponent(10, 2))
}
func TestFibonacci(t *testing.T) {
assert := internal.NewAssert(t, "TestFibonacci")
assert.Equal(0, Fibonacci(1, 1, 0))
assert.Equal(1, Fibonacci(1, 1, 1))
assert.Equal(1, Fibonacci(1, 1, 2))
assert.Equal(5, Fibonacci(1, 1, 5))
}
func TestFactorial(t *testing.T) {
assert := internal.NewAssert(t, "TestFactorial")
assert.Equal(uint(1), Factorial(0))
assert.Equal(uint(1), Factorial(1))
assert.Equal(uint(2), Factorial(2))
assert.Equal(uint(6), Factorial(3))
}
func TestPercent(t *testing.T) {
assert := internal.NewAssert(t, "TestPercent")
assert.Equal(float64(50), Percent(1, 2, 2))
assert.Equal(float64(33.33), Percent(0.1, 0.3, 2))
}
func TestRoundToFloat(t *testing.T) {
assert := internal.NewAssert(t, "TestRoundToFloat")
assert.Equal(RoundToFloat(0, 0), float64(0))
assert.Equal(RoundToFloat(0, 1), float64(0))
assert.Equal(RoundToFloat(0.124, 2), float64(0.12))
assert.Equal(RoundToFloat(0.125, 2), float64(0.13))
assert.Equal(RoundToFloat(0.125, 3), float64(0.125))
assert.Equal(RoundToFloat(33.33333, 2), float64(33.33))
}
func TestRoundToString(t *testing.T) {
assert := internal.NewAssert(t, "TestRoundToString")
assert.Equal(RoundToString(0, 0), "0")
assert.Equal(RoundToString(0, 1), "0.0")
assert.Equal(RoundToString(0.124, 2), "0.12")
assert.Equal(RoundToString(0.125, 2), "0.13")
assert.Equal(RoundToString(0.125, 3), "0.125")
}
func TestTruncRound(t *testing.T) {
assert := internal.NewAssert(t, "TestTruncRound")
assert.Equal(TruncRound(0, 0), float64(0))
assert.Equal(TruncRound(0, 1), float64(0))
assert.Equal(TruncRound(0.124, 2), float64(0.12))
assert.Equal(TruncRound(0.125, 2), float64(0.12))
assert.Equal(TruncRound(0.125, 3), float64(0.125))
assert.Equal(TruncRound(33.33333, 2), float64(33.33))
}
func TestAverage(t *testing.T) {
assert := internal.NewAssert(t, "TestAverage")
assert.Equal(Average(0, 0), 0)
assert.Equal(Average(1, 1), 1)
avg := Average(1.2, 1.4)
t.Log(avg)
assert.Equal(1.3, RoundToFloat(avg, 1))
}