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Added tests for Mixed().

They caught an error, which is being fixed now.
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commit 421915b751731291b03f6181c38c9b01a1295d91 1 parent ed538aa
@anschelsc authored
Showing with 28 additions and 4 deletions.
  1. +28 −4 frac_test.go
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32 frac_test.go
@@ -160,12 +160,36 @@ func TestNumAndDen(t *testing.T) {
}
func TestInverse(t *testing.T) {
- seventeen,_:=New(17,1)
- threeSeventeenths,_:=New(3,17)
- if s:=seventeen.Inverse().String();s!="1/17"{
+ seventeen, _ := New(17, 1)
+ threeSeventeenths, _ := New(3, 17)
+ if s := seventeen.Inverse().String(); s != "1/17" {
t.Errorf("(1/17)^-1 = %v", s)
}
- if s:=threeSeventeenths.Inverse().String();s!="17/3"{
+ if s := threeSeventeenths.Inverse().String(); s != "17/3" {
t.Errorf("(3/17)^-1 = %v", s)
}
}
+
+func TestMixed(t *testing.T) {
+ three, _ := New(3, 1)
+ third, _ := New(1, 3)
+ fourThirds, _ := New(4, 3)
+ if m := three.Mixed(); m != "3" {
+ t.Errorf("%v = %v", three, m)
+ }
+ if m := third.Mixed(); m != "1/3" {
+ t.Errorf("%v = %v", third, m)
+ }
+ if m := fourThirds.Mixed(); m != "1 1/3" {
+ t.Errorf("%v = %v", fourThirds, m)
+ }
+ if m := three.Negative().Mixed(); m != "-3" {
+ t.Errorf("%v = %v", three.Negative(), m)
+ }
+ if m := third.Negative().Mixed(); m != "-1/3" {
+ t.Errorf("%v = %v", third.Negative(), m)
+ }
+ if m := fourThirds.Negative().Mixed(); m != "-1 1/3" {
+ t.Errorf("%v = %v", fourThirds.Negative(), m)
+ }
+}
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