| // $G $F.go && $L $F.$A && ./$A.out |
| |
| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| import "os" |
| |
| var ecode int |
| |
| func assert(a, b, c string) { |
| if a != b { |
| ecode = 1; |
| print("FAIL: ", c, ": ", a, "!=", b, "\n"); |
| var max int = len(a); |
| if len(b) > max { |
| max = len(b) |
| } |
| for i := 0; i < max; i++ { |
| ac := 0; |
| bc := 0; |
| if i < len(a) { |
| ac = int(a[i]) |
| } |
| if i < len(b) { |
| bc = int(b[i]) |
| } |
| if ac != bc { |
| print("\ta[", i, "] = ", ac, "; b[", i, "] =", bc, "\n") |
| } |
| } |
| } |
| } |
| |
| func main() { |
| ecode = 0; |
| s := |
| "" + |
| " " + |
| "'`" + |
| "a" + |
| "ä" + |
| "本" + |
| "\a\b\f\n\r\t\v\\\"" + |
| "\000\123\x00\xca\xFE\u0123\ubabe\U0000babe" + |
| |
| `` + |
| ` ` + |
| `'"` + |
| `a` + |
| `ä` + |
| `本` + |
| `\a\b\f\n\r\t\v\\\'` + |
| `\000\123\x00\xca\xFE\u0123\ubabe\U0000babe` + |
| `\x\u\U\`; |
| |
| assert("", ``, "empty"); |
| assert(" ", " ", "blank"); |
| assert("\x61", "a", "lowercase a"); |
| assert("\x61", `a`, "lowercase a (backquote)"); |
| assert("\u00e4", "ä", "a umlaut"); |
| assert("\u00e4", `ä`, "a umlaut (backquote)"); |
| assert("\u672c", "本", "nihon"); |
| assert("\u672c", `本`, "nihon (backquote)"); |
| assert("\x07\x08\x0c\x0a\x0d\x09\x0b\x5c\x22", |
| "\a\b\f\n\r\t\v\\\"", |
| "backslashes"); |
| assert("\\a\\b\\f\\n\\r\\t\\v\\\\\\\"", |
| `\a\b\f\n\r\t\v\\\"`, |
| "backslashes (backquote)"); |
| assert("\x00\x53\000\xca\376S몾몾", |
| "\000\123\x00\312\xFE\u0053\ubabe\U0000babe", |
| "backslashes 2"); |
| assert("\\000\\123\\x00\\312\\xFE\\u0123\\ubabe\\U0000babe", |
| `\000\123\x00\312\xFE\u0123\ubabe\U0000babe`, |
| "backslashes 2 (backquote)"); |
| assert("\\x\\u\\U\\", `\x\u\U\`, "backslash 3 (backquote)"); |
| |
| // test large runes. perhaps not the most logical place for this test. |
| var r int32; |
| r = 0x10ffff; // largest rune value |
| s = string(r); |
| assert(s, "\xf4\x8f\xbf\xbf", "largest rune"); |
| r = 0x10ffff + 1; |
| s = string(r); |
| assert(s, "\xef\xbf\xbd", "too-large rune"); |
| os.Exit(ecode); |
| } |