33: digit cancelling fractions

33_digit_cancelling_fractions/main_test.go

@@ -0,0 +1,43 @@
+package main
+
+import "testing"
+
+func Test_findGCD(t *testing.T) {
+	type args struct {
+		a int
+		b int
+	}
+	tests := []struct {
+		name string
+		args args
+		want int
+	}{
+		{
+			"4, 8",
+			args{4, 8},
+			4,
+		},
+		{
+			"12, 48",
+			args{12, 48},
+			12,
+		},
+		{
+			"12, 48",
+			args{12, 48},
+			12,
+		},
+		{
+			"319, 377",
+			args{319, 377},
+			29,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := findGCD(tt.args.a, tt.args.b); got != tt.want {
+				t.Errorf("findGCD() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}