Esempio n. 1
0
func TestDecScan(t *testing.T) {
	tmp := new(inf.Dec)
	for i, test := range decStringTests {
		if test.scale < 0 {
			// SetString only supports scale >= 0
			continue
		}
		// initialize to a non-zero value so that issues with parsing
		// 0 are detected
		tmp.Set(inf.NewDec(1234567890, 123))
		n1, n2 := new(inf.Dec), tmp
		nn1, err1 := fmt.Sscan(test.in, n1)
		nn2, err2 := fmt.Sscan(test.in, n2)
		if !test.scanOk {
			if err1 == nil || err2 == nil {
				t.Errorf("#%d (input '%s') ok incorrect, should be %t", i, test.in, test.scanOk)
			}
			continue
		}
		expected := inf.NewDec(test.val, test.scale)
		if nn1 != 1 || err1 != nil || nn2 != 1 || err2 != nil {
			t.Errorf("#%d (input '%s') error %d %v, %d %v", i, test.in, nn1, err1, nn2, err2)
			continue
		}
		if n1.Cmp(expected) != 0 {
			t.Errorf("#%d (input '%s') got: %s want: %d", i, test.in, n1, test.val)
		}
		if n2.Cmp(expected) != 0 {
			t.Errorf("#%d (input '%s') got: %s want: %d", i, test.in, n2, test.val)
		}
	}
}
Esempio n. 2
0
func TestDecAbsZ(t *testing.T) {
	var zero inf.Dec
	for _, a := range decSumZZ {
		var z inf.Dec
		z.Abs(a.z)
		var e inf.Dec
		e.Set(a.z)
		if e.Cmp(&zero) < 0 {
			e.Sub(&zero, &e)
		}
		if z.Cmp(&e) != 0 {
			t.Errorf("got z = %v; want %v", z, e)
		}
	}
}
Esempio n. 3
0
func TestDecSetString(t *testing.T) {
	tmp := new(inf.Dec)
	for i, test := range decStringTests {
		if test.scale < 0 {
			// SetString only supports scale >= 0
			continue
		}
		// initialize to a non-zero value so that issues with parsing
		// 0 are detected
		tmp.Set(inf.NewDec(1234567890, 123))
		n1, ok1 := new(inf.Dec).SetString(test.in)
		n2, ok2 := tmp.SetString(test.in)
		expected := inf.NewDec(test.val, test.scale)
		if ok1 != test.ok || ok2 != test.ok {
			t.Errorf("#%d (input '%s') ok incorrect (should be %t)", i, test.in, test.ok)
			continue
		}
		if !ok1 {
			if n1 != nil {
				t.Errorf("#%d (input '%s') n1 != nil", i, test.in)
			}
			continue
		}
		if !ok2 {
			if n2 != nil {
				t.Errorf("#%d (input '%s') n2 != nil", i, test.in)
			}
			continue
		}

		if n1.Cmp(expected) != 0 {
			t.Errorf("#%d (input '%s') got: %s want: %d", i, test.in, n1, test.val)
		}
		if n2.Cmp(expected) != 0 {
			t.Errorf("#%d (input '%s') got: %s want: %d", i, test.in, n2, test.val)
		}
	}
}