1// errorcheck
2
3// Copyright 2017 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Verify that invalid imports are rejected by the compiler.
8// Does not compile.
9
10package main
11
12// Each of these pairs tests both `` vs "" strings
13// and also use of invalid characters spelled out as
14// escape sequences and written directly.
15// For example `"\x00"` tests import "\x00"
16// while "`\x00`" tests import `<actual-NUL-byte>`.
17import ""         // ERROR "import path"
18import ``         // ERROR "import path"
19import "\x00"     // ERROR "import path"
20import `\x00`     // ERROR "import path"
21import "\x7f"     // ERROR "import path"
22import `\x7f`     // ERROR "import path"
23import "a!"       // ERROR "import path"
24import `a!`       // ERROR "import path"
25import "a b"      // ERROR "import path"
26import `a b`      // ERROR "import path"
27import "a\\b"     // ERROR "import path"
28import `a\\b`     // ERROR "import path"
29import "\"`a`\""  // ERROR "import path"
30import `\"a\"`    // ERROR "import path"
31import "\x80\x80" // ERROR "import path"
32import `\x80\x80` // ERROR "import path"
33import "\xFFFD"   // ERROR "import path"
34import `\xFFFD`   // ERROR "import path"
35
36// Invalid local imports.
37// types2 adds extra "not used" error.
38import "/foo"  // ERROR "import path cannot be absolute path|not used"
39import "c:/foo"  // ERROR "import path contains invalid character|invalid character"
40