gcc/libgo/go/log/log_test.go
Ian Lance Taylor 7a9389330e Add Go frontend, libgo library, and Go testsuite.
gcc/:
	* gcc.c (default_compilers): Add entry for ".go".
	* common.opt: Add -static-libgo as a driver option.
	* doc/install.texi (Configuration): Mention libgo as an option for
	--enable-shared.  Mention go as an option for --enable-languages.
	* doc/invoke.texi (Overall Options): Mention .go as a file name
	suffix.  Mention go as a -x option.
	* doc/frontends.texi (G++ and GCC): Mention Go as a supported
	language.
	* doc/sourcebuild.texi (Top Level): Mention libgo.
	* doc/standards.texi (Standards): Add section on Go language.
	Move references for other languages into their own section.
	* doc/contrib.texi (Contributors): Mention that I contributed the
	Go frontend.
gcc/testsuite/:
	* lib/go.exp: New file.
	* lib/go-dg.exp: New file.
	* lib/go-torture.exp: New file.
	* lib/target-supports.exp (check_compile): Match // Go.

From-SVN: r167407
2010-12-03 04:34:57 +00:00

87 lines
2.5 KiB
Go

// 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 log
// These tests are too simple.
import (
"bytes"
"os"
"regexp"
"testing"
)
const (
Rdate = `[0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9]`
Rtime = `[0-9][0-9]:[0-9][0-9]:[0-9][0-9]`
Rmicroseconds = `\.[0-9][0-9][0-9][0-9][0-9][0-9]`
Rline = `[0-9]+:` // must update if the calls to l.Printf / l.Print below move
Rlongfile = `.*/[A-Za-z0-9_\-]+\.go:|\?\?\?:` + Rline
Rshortfile = `[A-Za-z0-9_\-]+\.go:|\?\?\?:` + Rline
)
type tester struct {
flag int
prefix string
pattern string // regexp that log output must match; we add ^ and expected_text$ always
}
var tests = []tester{
// individual pieces:
{0, "", ""},
{0, "XXX", "XXX"},
{Ldate, "", Rdate + " "},
{Ltime, "", Rtime + " "},
{Ltime | Lmicroseconds, "", Rtime + Rmicroseconds + " "},
{Lmicroseconds, "", Rtime + Rmicroseconds + " "}, // microsec implies time
{Llongfile, "", Rlongfile + " "},
{Lshortfile, "", Rshortfile + " "},
{Llongfile | Lshortfile, "", Rshortfile + " "}, // shortfile overrides longfile
// everything at once:
{Ldate | Ltime | Lmicroseconds | Llongfile, "XXX", "XXX" + Rdate + " " + Rtime + Rmicroseconds + " " + Rlongfile + " "},
{Ldate | Ltime | Lmicroseconds | Lshortfile, "XXX", "XXX" + Rdate + " " + Rtime + Rmicroseconds + " " + Rshortfile + " "},
}
// Test using Println("hello", 23, "world") or using Printf("hello %d world", 23)
func testPrint(t *testing.T, flag int, prefix string, pattern string, useFormat bool) {
buf := new(bytes.Buffer)
SetOutput(buf)
SetFlags(flag)
SetPrefix(prefix)
if useFormat {
Printf("hello %d world", 23)
} else {
Println("hello", 23, "world")
}
line := buf.String()
line = line[0 : len(line)-1]
pattern = "^" + pattern + "hello 23 world$"
matched, err4 := regexp.MatchString(pattern, line)
if err4 != nil {
t.Fatal("pattern did not compile:", err4)
}
if !matched {
t.Errorf("log output should match %q is %q", pattern, line)
}
SetOutput(os.Stderr)
}
func TestAll(t *testing.T) {
for _, testcase := range tests {
testPrint(t, testcase.flag, testcase.prefix, testcase.pattern, false)
testPrint(t, testcase.flag, testcase.prefix, testcase.pattern, true)
}
}
func TestOutput(t *testing.T) {
const testString = "test"
var b bytes.Buffer
l := New(&b, "", 0)
l.Println(testString)
if expect := testString + "\n"; b.String() != expect {
t.Errorf("log output should match %q is %q", expect, b.String())
}
}