金额转换

currency/amountConvert_test.go

@@ -0,0 +1,47 @@
+package currency
+
+import (
+	"testing"
+)
+
+func TestCentToDollar(t *testing.T) {
+	cases := []struct {
+		cent     int32
+		excepted string
+	}{
+		{24040, "240.40"},
+		{99999940, "999999.40"},
+		{99999, "999.99"},
+		{1, "0.01"},
+		{99999901, "999999.01"},
+		{100000099, "1000000.99"},
+	}
+
+	for _, c := range cases {
+		result := CentToDollar(c.cent)
+		if result != c.excepted {
+			t.Fatalf("dollar to cent failed, dollar:%d execpted:%s result:%s", c.cent, c.excepted, result)
+		}
+	}
+}
+
+func TestDollarToCent(t *testing.T) {
+	cases := []struct {
+		dollar   string
+		excepted int64
+	}{
+		{"240.40", 24040},
+		{"999999.40", 99999940},
+		{"999.99", 99999},
+		{"0.01", 1},
+		{"999999.01", 99999901},
+		{"1000000.99", 100000099},
+	}
+
+	for _, c := range cases {
+		result := DollarToCent(c.dollar)
+		if result != c.excepted {
+			t.Fatalf("dollar to cent failed, dollar:%s execpted:%d result:%d", c.dollar, c.excepted, result)
+		}
+	}
+}