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// $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
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");
sys.exit(ecode);
}
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