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https://github.com/golang/go
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5f5dcfbc15
- remove use of implicit string concatenation - these appear to be the only files correctly compiling under test that used implicit string concatenation R=rsc https://golang.org/cl/172043
91 lines
2.0 KiB
Go
91 lines
2.0 KiB
Go
// $G $F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import "os"
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var ecode int
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func assert(a, b, c string) {
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if a != b {
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ecode = 1;
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print("FAIL: ", c, ": ", a, "!=", b, "\n");
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var max int = len(a);
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if len(b) > max {
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max = len(b)
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}
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for i := 0; i < max; i++ {
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ac := 0;
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bc := 0;
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if i < len(a) {
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ac = int(a[i])
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}
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if i < len(b) {
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bc = int(b[i])
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}
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if ac != bc {
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print("\ta[", i, "] = ", ac, "; b[", i, "] =", bc, "\n")
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}
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}
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}
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}
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func main() {
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ecode = 0;
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s :=
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"" +
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" " +
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"'`" +
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"a" +
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"ä" +
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"本" +
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"\a\b\f\n\r\t\v\\\"" +
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"\000\123\x00\xca\xFE\u0123\ubabe\U0000babe" +
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`` +
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` ` +
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`'"` +
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`a` +
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`ä` +
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`本` +
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`\a\b\f\n\r\t\v\\\'` +
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`\000\123\x00\xca\xFE\u0123\ubabe\U0000babe` +
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`\x\u\U\`;
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assert("", ``, "empty");
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assert(" ", " ", "blank");
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assert("\x61", "a", "lowercase a");
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assert("\x61", `a`, "lowercase a (backquote)");
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assert("\u00e4", "ä", "a umlaut");
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assert("\u00e4", `ä`, "a umlaut (backquote)");
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assert("\u672c", "本", "nihon");
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assert("\u672c", `本`, "nihon (backquote)");
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assert("\x07\x08\x0c\x0a\x0d\x09\x0b\x5c\x22",
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"\a\b\f\n\r\t\v\\\"",
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"backslashes");
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assert("\\a\\b\\f\\n\\r\\t\\v\\\\\\\"",
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`\a\b\f\n\r\t\v\\\"`,
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"backslashes (backquote)");
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assert("\x00\x53\000\xca\376S몾몾",
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"\000\123\x00\312\xFE\u0053\ubabe\U0000babe",
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"backslashes 2");
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assert("\\000\\123\\x00\\312\\xFE\\u0123\\ubabe\\U0000babe",
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`\000\123\x00\312\xFE\u0123\ubabe\U0000babe`,
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"backslashes 2 (backquote)");
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assert("\\x\\u\\U\\", `\x\u\U\`, "backslash 3 (backquote)");
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// test large runes. perhaps not the most logical place for this test.
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var r int32;
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r = 0x10ffff; // largest rune value
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s = string(r);
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assert(s, "\xf4\x8f\xbf\xbf", "largest rune");
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r = 0x10ffff + 1;
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s = string(r);
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assert(s, "\xef\xbf\xbd", "too-large rune");
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os.Exit(ecode);
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}
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