update

mathx/int_test.go

@@ -0,0 +1,27 @@
+package mathx_test
+
+import (
+	"github.com/charlienet/go-mixed/mathx"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestMin(t *testing.T) {
+	assert.Equal(t, 1, mathx.Min(1, 3))
+	assert.Equal(t, 2, mathx.Min(66, 2))
+}
+
+func TestMax(t *testing.T) {
+	assert.Equal(t, 3, mathx.Max(1, 3))
+	assert.Equal(t, 66, mathx.Max(66, 2))
+}
+
+func TestAbs(t *testing.T) {
+	assert.Equal(t, 23, mathx.Abs1(23))
+	assert.Equal(t, 23, mathx.Abs1(-23))
+	assert.Equal(t, 0, mathx.Abs1(0))
+
+	var u int8 = -127
+	var exp int8 = 127
+	assert.Equal(t, exp, mathx.Abs1(u))
+}