gopls/go/internal/gccgoimporter/testenv

1	// Copyright 2018 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
5	// This file contains testing utilities copied from $GOROOT/src/internal/testenv/testenv.go.
6
7	package gccgoimporter
8
9	import (
10	"runtime"
11	"strings"
12	"testing"
13	)
14
15	// HasGoBuild reports whether the current system can build programs with “go build”
16	// and then run them with os.StartProcess or exec.Command.
17	func HasGoBuild() bool {
18	switch runtime.GOOS {
19	case "android", "nacl":
20	return false
21	case "darwin":
22	if strings.HasPrefix(runtime.GOARCH, "arm") {
23	return false
24	}
25	}
26	return true
27	}
28
29	// HasExec reports whether the current system can start new processes
30	// using os.StartProcess or (more commonly) exec.Command.
31	func HasExec() bool {
32	switch runtime.GOOS {
33	case "nacl", "js":
34	return false
35	case "darwin":
36	if strings.HasPrefix(runtime.GOARCH, "arm") {
37	return false
38	}
39	}
40	return true
41	}
42
43	// MustHaveGoBuild checks that the current system can build programs with “go build”
44	// and then run them with os.StartProcess or exec.Command.
45	// If not, MustHaveGoBuild calls t.Skip with an explanation.
46	func MustHaveGoBuild(t *testing.T) {
47	if !HasGoBuild() {
48	t.Skipf("skipping test: 'go build' not available on %s/%s", runtime.GOOS, runtime.GOARCH)
49	}
50	}
51
52	// MustHaveExec checks that the current system can start new processes
53	// using os.StartProcess or (more commonly) exec.Command.
54	// If not, MustHaveExec calls t.Skip with an explanation.
55	func MustHaveExec(t *testing.T) {
56	if !HasExec() {
57	t.Skipf("skipping test: cannot exec subprocess on %s/%s", runtime.GOOS, runtime.GOARCH)
58	}
59	}
60
61	var testenv = struct {
62	HasGoBuild func() bool
63	MustHaveGoBuild func(*testing.T)
64	MustHaveExec func(*testing.T)
65	}{
66	HasGoBuild: HasGoBuild,
67	MustHaveGoBuild: MustHaveGoBuild,
68	MustHaveExec: MustHaveExec,
69	}
70

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