func BenchmarkInts(b *testing.B) {
t := tests[len(tests)-1]
d1 := t.a
d2 := t.b
for i := 0; i < b.N; i++ {
diff.Ints(d1, d2)
}
}
func TestDiffAB(t *testing.T) {
for _, test := range tests {
res := diff.Ints(test.a, test.b)
if len(res) != len(test.res) {
t.Error(test.name, "expected length", len(test.res), "for", res)
continue
}
for i, c := range test.res {
if c != res[i] {
t.Error(test.name, "expected ", c, "got", res[i])
}
}
}
}
func TestDiffBA(t *testing.T) {
// interesting: fig.1 Diff(b, a) results in the same path as `diff -d a b`
tests[len(tests)-1].res = []diff.Change{
{0, 0, 2, 0},
{3, 1, 1, 0},
{5, 2, 0, 1},
{7, 5, 0, 1},
}
for _, test := range tests {
res := diff.Ints(test.b, test.a)
if len(res) != len(test.res) {
t.Error(test.name, "expected length", len(test.res), "for", res)
continue
}
for i, c := range test.res {
// flip change data also
rc := diff.Change{c.B, c.A, c.Ins, c.Del}
if rc != res[i] {
t.Error(test.name, "expected ", rc, "got", res[i])
}
}
}
}