/usr/share/gocode/src/github.com/kr/pretty/diff_test.go is in golang-github-kr-pretty-dev 0.0~git20160325.0.add1dbc-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"testing"
)
type difftest struct {
a interface{}
b interface{}
exp []string
}
type S struct {
A int
S *S
I interface{}
C []int
}
var diffs = []difftest{
{a: nil, b: nil},
{a: S{A: 1}, b: S{A: 1}},
{0, "", []string{`int != string`}},
{0, 1, []string{`0 != 1`}},
{S{}, new(S), []string{`pretty.S != *pretty.S`}},
{"a", "b", []string{`"a" != "b"`}},
{S{}, S{A: 1}, []string{`A: 0 != 1`}},
{new(S), &S{A: 1}, []string{`A: 0 != 1`}},
{S{S: new(S)}, S{S: &S{A: 1}}, []string{`S.A: 0 != 1`}},
{S{}, S{I: 0}, []string{`I: nil != 0`}},
{S{I: 1}, S{I: "x"}, []string{`I: int != string`}},
{S{}, S{C: []int{1}}, []string{`C: []int[0] != []int[1]`}},
{S{C: []int{}}, S{C: []int{1}}, []string{`C: []int[0] != []int[1]`}},
{S{C: []int{1, 2, 3}}, S{C: []int{1, 2, 4}}, []string{`C[2]: 3 != 4`}},
{S{}, S{A: 1, S: new(S)}, []string{`A: 0 != 1`, `S: nil != &{0 <nil> <nil> []}`}},
}
func TestDiff(t *testing.T) {
for _, tt := range diffs {
got := Diff(tt.a, tt.b)
eq := len(got) == len(tt.exp)
if eq {
for i := range got {
eq = eq && got[i] == tt.exp[i]
}
}
if !eq {
t.Errorf("diffing % #v", tt.a)
t.Errorf("with % #v", tt.b)
diffdiff(t, got, tt.exp)
continue
}
}
}
func diffdiff(t *testing.T, got, exp []string) {
minus(t, "unexpected:", got, exp)
minus(t, "missing:", exp, got)
}
func minus(t *testing.T, s string, a, b []string) {
var i, j int
for i = 0; i < len(a); i++ {
for j = 0; j < len(b); j++ {
if a[i] == b[j] {
break
}
}
if j == len(b) {
t.Error(s, a[i])
}
}
}
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