1// Copyright 2019 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package cmdtest
6
7import (
8	"fmt"
9	"sort"
10	"testing"
11
12	"golang.org/x/tools/internal/span"
13)
14
15func (r *runner) Implementation(t *testing.T, spn span.Span, imps []span.Span) {
16	var itemStrings []string
17	for _, i := range imps {
18		itemStrings = append(itemStrings, fmt.Sprint(i))
19	}
20	sort.Strings(itemStrings)
21	var expect string
22	for _, i := range itemStrings {
23		expect += i + "\n"
24	}
25	expect = r.Normalize(expect)
26
27	uri := spn.URI()
28	filename := uri.Filename()
29	target := filename + fmt.Sprintf(":%v:%v", spn.Start().Line(), spn.Start().Column())
30
31	got, stderr := r.NormalizeGoplsCmd(t, "implementation", target)
32	if stderr != "" {
33		t.Errorf("implementation failed for %s: %s", target, stderr)
34	} else if expect != got {
35		t.Errorf("implementation failed for %s expected:\n%s\ngot:\n%s", target, expect, got)
36	}
37}
38