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Rob Pike bf2838334c testing: let runtime catch the panic. 
It's not as pretty, but it deletes some irrelevant information from the
printout and avoids a dependency.
It also means the test binary will stop if a test panics. That's a feature,
not a bug.
Any output printed by the test appears before the panic traceback.

before:

--- FAIL: TestPanic (0.00 seconds)
        fmt_test.go:19: HI
        testing.go:257: runtime error: index out of range
                /Users/r/go/src/pkg/testing/testing.go:257 (0x23998)
                        _func_003: t.Logf("%s\n%s", err, debug.Stack())
                /Users/r/go/src/pkg/runtime/proc.c:1388 (0x10d2d)
                        panic: reflect·call(d->fn, d->args, d->siz);
                /Users/r/go/src/pkg/runtime/runtime.c:128 (0x119b0)
                        panicstring: runtime·panic(err);
                /Users/r/go/src/pkg/runtime/runtime.c:85 (0x11857)
                        panicindex: runtime·panicstring("index out of range");
                /Users/r/go/src/pkg/fmt/fmt_test.go:21 (0x23d72)
                        TestPanic: a[10]=1
                /Users/r/go/src/pkg/testing/testing.go:264 (0x21b75)
                        tRunner: test.F(t)
                /Users/r/go/src/pkg/runtime/proc.c:258 (0xee9e)
                        goexit: runtime·goexit(void)
FAIL

after:

--- FAIL: TestPanic (0.00 seconds)
        fmt_test.go:19: HI
panic: runtime error: index out of range [recovered]
        panic: (*testing.T) (0xec3b0,0xf8400001c0)

goroutine 2 [running]:
testing._func_003(0x21f5fa8, 0x21f5100, 0x21f5fb8, 0x21f5e88)
        /Users/r/go/src/pkg/testing/testing.go:259 +0x108
----- stack segment boundary -----
fmt_test.TestPanic(0xf8400001c0, 0x27603728)
        /Users/r/go/src/pkg/fmt/fmt_test.go:21 +0x6b
testing.tRunner(0xf8400001c0, 0x18edb8, 0x0, 0x0)
        /Users/r/go/src/pkg/testing/testing.go:264 +0x6f
created by testing.RunTests
        /Users/r/go/src/pkg/testing/testing.go:343 +0x76e

goroutine 1 [chan receive]:
testing.RunTests(0x2000, 0x18edb8, 0x2400000024, 0x100000001, 0x200000001, ...)
        /Users/r/go/src/pkg/testing/testing.go:344 +0x791
testing.Main(0x2000, 0x18edb8, 0x2400000024, 0x188a58, 0x800000008, ...)
        /Users/r/go/src/pkg/testing/testing.go:275 +0x62
main.main()
        /var/folders/++/+++Fn+++6+0++4RjPqRgNE++2Qk/-Tmp-/go-build743922747/fmt/_test/_testmain.go:129 +0x91
exit status 2

R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/5658048
2012-02-14 14:53:30 +11:00
..
cmd godoc: list examples in index 2012-02-14 14:52:00 +11:00
lib9 build: delete make paraphernalia 2012-02-06 13:34:25 -05:00
libbio build: delete make paraphernalia 2012-02-06 13:34:25 -05:00
libmach build: delete make paraphernalia 2012-02-06 13:34:25 -05:00
pkg testing: let runtime catch the panic. 2012-02-14 14:53:30 +11:00
all.bash cmd/dist: cross-compiling fixes 2012-02-13 22:31:51 -05:00
all.bat builder: set $GOBUILDEXIT for Windows 2012-02-10 01:27:59 -05:00
clean.bash build: use cmd/dist 2012-02-04 00:54:08 -05:00
make.bash build: set $PATH during make.bash 2012-02-13 22:46:50 -05:00
make.bat cmd/dist: cross-compiling fixes 2012-02-13 22:31:51 -05:00
Make.dist cmd/dist: make 'make' quieter for developers 2012-02-08 15:26:47 -05:00
run.bash cmd/dist: cross-compiling fixes 2012-02-13 22:31:51 -05:00
run.bat build: dist-based build for windows 2012-02-04 00:48:31 -05:00
sudo.bash build: fix sudo.bash. 2012-02-05 14:50:38 +11:00