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mirror of https://github.com/golang/go synced 2024-11-11 19:51:37 -07:00
go/test
Ian Lance Taylor be10af7c4e test: match gofrontend error messages
fixedbugs/issue20602.go:13:9: error: argument must have complex type
fixedbugs/issue20602.go:14:9: error: argument must have complex type

fixedbugs/issue19323.go:12:12: error: attempt to slice object that is not array, slice, or string
fixedbugs/issue19323.go:18:13: error: attempt to slice object that is not array, slice, or string

fixedbugs/issue20749.go:12:11: error: array index out of bounds
fixedbugs/issue20749.go:15:11: error: array index out of bounds

fixedbugs/issue20415.go:14:5: error: redefinition of ‘f’
fixedbugs/issue20415.go:12:5: note: previous definition of ‘f’ was here
fixedbugs/issue20415.go:25:5: error: redefinition of ‘g’
fixedbugs/issue20415.go:20:5: note: previous definition of ‘g’ was here
fixedbugs/issue20415.go:33:5: error: redefinition of ‘h’
fixedbugs/issue20415.go:31:5: note: previous definition of ‘h’ was here

fixedbugs/issue19977.go:12:21: error: reference to undefined name ‘a’

fixedbugs/issue20812.go:10:13: error: invalid type conversion (cannot use type string as type int)
fixedbugs/issue20812.go:11:13: error: invalid type conversion (cannot use type int as type bool)
fixedbugs/issue20812.go:12:13: error: invalid type conversion (cannot use type string as type bool)
fixedbugs/issue20812.go:13:13: error: invalid type conversion (cannot use type bool as type int)
fixedbugs/issue20812.go:14:13: error: invalid type conversion (cannot use type bool as type string)

fixedbugs/issue21256.go:9:5: error: redefinition of ‘main’

fixedbugs/issue20813.go:10:11: error: invalid left hand side of assignment

fixedbugs/issue20185.go:22:16: error: ‘t’ declared but not used
fixedbugs/issue20185.go:13:9: error: cannot type switch on non-interface value
fixedbugs/issue20185.go:22:9: error: cannot type switch on non-interface value

fixedbugs/issue20227.go:11:11: error: division by zero
fixedbugs/issue20227.go:12:12: error: division by zero
fixedbugs/issue20227.go:13:12: error: division by zero
fixedbugs/issue20227.go:15:11: error: division by zero
fixedbugs/issue20227.go:16:12: error: division by zero

fixedbugs/issue19880.go:14:13: error: invalid use of type

fixedbugs/issue23093.go:9:5: error: initialization expression for ‘f’ depends upon itself

fixedbugs/issue21979.go:29:13: error: integer constant overflow
fixedbugs/issue21979.go:39:13: error: complex constant truncated to floating-point
fixedbugs/issue21979.go:10:13: error: invalid type conversion (cannot use type string as type bool)
fixedbugs/issue21979.go:11:13: error: invalid type conversion (cannot use type int as type bool)
fixedbugs/issue21979.go:12:13: error: invalid type conversion (cannot use type float64 as type bool)
fixedbugs/issue21979.go:13:13: error: invalid type conversion (cannot use type complex128 as type bool)
fixedbugs/issue21979.go:15:13: error: invalid type conversion (cannot use type bool as type string)
fixedbugs/issue21979.go:17:13: error: invalid type conversion (cannot use type float64 as type string)
fixedbugs/issue21979.go:18:13: error: invalid type conversion (cannot use type complex128 as type string)
fixedbugs/issue21979.go:20:13: error: invalid type conversion (cannot use type string as type int)
fixedbugs/issue21979.go:21:13: error: invalid type conversion (cannot use type bool as type int)
fixedbugs/issue21979.go:27:13: error: invalid type conversion (cannot use type string as type uint)
fixedbugs/issue21979.go:28:13: error: invalid type conversion (cannot use type bool as type uint)
fixedbugs/issue21979.go:34:13: error: invalid type conversion (cannot use type string as type float64)
fixedbugs/issue21979.go:35:13: error: invalid type conversion (cannot use type bool as type float64)
fixedbugs/issue21979.go:41:13: error: invalid type conversion (cannot use type string as type complex128)
fixedbugs/issue21979.go:42:13: error: invalid type conversion (cannot use type bool as type complex128)

fixedbugs/issue21988.go:11:11: error: reference to undefined name ‘Wrong’

fixedbugs/issue22063.go:11:11: error: reference to undefined name ‘Wrong’

fixedbugs/issue22904.go:12:6: error: invalid recursive type ‘a’
fixedbugs/issue22904.go:13:6: error: invalid recursive type ‘b’

fixedbugs/issue22921.go:11:16: error: reference to undefined identifier ‘bytes.nonexist’
fixedbugs/issue22921.go:13:19: error: reference to undefined identifier ‘bytes.nonexist’
fixedbugs/issue22921.go:13:19: error: expected signature or type name
fixedbugs/issue22921.go:17:15: error: reference to undefined identifier ‘bytes.buffer’

fixedbugs/issue23823.go:15:9: error: invalid recursive interface
fixedbugs/issue23823.go:10:9: error: invalid recursive interface

fixedbugs/issue23732.go:24:13: error: too few expressions for struct
fixedbugs/issue23732.go:34:17: error: too many expressions for struct
fixedbugs/issue23732.go:37:13: error: too few expressions for struct
fixedbugs/issue23732.go:40:17: error: too many expressions for struct

fixedbugs/issue22794.go:16:14: error: reference to undefined field or method ‘floats’
fixedbugs/issue22794.go:18:19: error: unknown field ‘floats’ in ‘it’
fixedbugs/issue22794.go:19:17: error: unknown field ‘InneR’ in ‘it’
fixedbugs/issue22794.go:18:9: error: ‘i2’ declared but not used

fixedbugs/issue22822.go:15:17: error: expected function

fixedbugs/issue25727.go:12:10: error: reference to unexported field or method ‘doneChan’
fixedbugs/issue25727.go:13:10: error: reference to undefined field or method ‘DoneChan’
fixedbugs/issue25727.go:14:21: error: unknown field ‘tlsConfig’ in ‘http.Server’
fixedbugs/issue25727.go:15:21: error: unknown field ‘DoneChan’ in ‘http.Server’
fixedbugs/issue25727.go:21:14: error: unknown field ‘bAr’ in ‘foo’

Change-Id: I32ce0b7d80017b2367b8fb479a881632240d4161
Reviewed-on: https://go-review.googlesource.com/c/go/+/277455
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
2020-12-14 17:37:52 +00:00
..
alias3.dir
bench test/bench/go1: add go.mod file 2019-03-06 18:53:12 +00:00
chan test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
closure3.dir cmd/compile: allow inlining of "for" loops 2020-10-15 18:26:33 +00:00
codegen cmd/compile: fix rules regression with shifts on PPC64 2020-11-17 13:20:20 +00:00
ddd2.dir
dwarf
fixedbugs test: match gofrontend error messages 2020-12-14 17:37:52 +00:00
import2.dir
import4.dir
interface test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
intrinsic.dir
ken all: fix typos 2019-09-08 17:28:20 +00:00
linkname.dir cmd/compile: trim function name prefix from escape diagnostics 2019-09-16 15:30:51 +00:00
method4.dir
oldescape_linkname.dir cmd/compile: update escape analysis tests for newescape 2019-04-16 16:20:39 +00:00
retjmp.dir
runtime test: remove -newescape from regress tests 2019-08-28 19:27:20 +00:00
stress
syntax test: match gofrontend error messages 2020-12-02 02:56:41 +00:00
uintptrescapes.dir
64bit.go
235.go
alg.go
alias1.go
alias2.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
alias3.go
alias.go
align.go test: check that unaligned load-add opcodes work. 2018-04-09 18:57:37 +00:00
append1.go cmd/compile: optimize append(x, make([]T, y)...) slice extension 2018-05-06 04:28:23 +00:00
append.go cmd/compile: optimize append(x, make([]T, y)...) slice extension 2018-05-06 04:28:23 +00:00
args.go
armimm.go
assign1.go
assign.go test: match gccgo error messages 2020-12-03 16:28:44 +00:00
atomicload.go
bigalg.go
bigmap.go
blank1.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
blank.go
bom.go
bombad.go
bounds.go cmd/compile: defer lowering OANDNOT until SSA 2020-10-27 03:11:45 +00:00
cannotassign.go cmd/compile: be more specific in cannot assign errors 2020-09-16 20:04:58 +00:00
chancap.go runtime: handle 64bits addresses for AIX 2018-11-26 14:06:28 +00:00
chanlinear.go test, test/fixedbugs, crypto/x509, go/internal/gccgoimporter: fix typos 2020-03-29 17:12:56 +00:00
char_lit1.go
char_lit.go
checkbce.go cmd/compile: fix ordering for short-circuiting ops 2019-03-06 20:04:07 +00:00
clearfat.go
closedchan.go
closure1.go
closure2.go all: fix typos 2019-09-08 17:28:20 +00:00
closure3.go all: fix a bunch of misspellings 2018-10-06 15:40:03 +00:00
closure4.go cmd/compile/internal/gc: add nil check for closure call on wasm 2018-08-14 09:19:38 +00:00
closure.go
cmp6.go
cmp.go
cmplx.go cmd/compile: rewrite f(g()) for multi-value g() during typecheck 2019-03-14 21:00:20 +00:00
cmplxdivide1.go
cmplxdivide.c
cmplxdivide.go
complit1.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
complit.go
compos.go
const1.go cmd/compile: fix ICE from invalid operations on float/complex constants 2019-03-28 17:46:55 +00:00
const2.go
const3.go
const4.go
const5.go
const6.go
const.go cmd/compile: apply constant folding to ORUNESTR 2019-09-26 23:54:29 +00:00
convert1.go
convert2.go
convert3.go
convert.go
convlit1.go
convlit.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
convT2X.go
copy1.go cmd/compile: rewrite f(g()) for multi-value g() during typecheck 2019-03-14 21:00:20 +00:00
copy.go
crlf.go
ddd1.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
ddd2.go
ddd.go
decl.go
declbad.go
defer.go
defererrcheck.go test: re-enable open-coded defer test on riscv64 2020-02-26 16:54:17 +00:00
deferfin.go
defernil.go cmd/compile: on Wasm and AIX, let deferred nil function panic at invocation 2019-10-16 00:05:37 +00:00
deferprint.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
deferprint.out
devirt.go cmd/compile: debug rewrite 2020-04-13 21:56:15 +00:00
directive.go cmd/compile: reject misplaced go:build comments 2020-10-13 01:16:45 +00:00
divide.go
divmod.go
empty.go
env.go
eof1.go
eof.go
escape2.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape2n.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape3.go
escape4.go cmd/compile: skip escape analysis diagnostics for OADDR 2019-04-02 16:34:03 +00:00
escape5.go cmd/compile: add failing test case for #24305 2020-08-15 03:09:52 +00:00
escape_array.go cmd/compile: trim function name prefix from escape diagnostics 2019-09-16 15:30:51 +00:00
escape_calls.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_closure.go cmd/compile: improve escape analysis of known calls 2020-10-15 18:26:06 +00:00
escape_field.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_goto.go cmd/compile: preserve loop depth when evaluating block 2019-09-06 01:35:46 +00:00
escape_hash_maphash.go hash/maphash: mark call into runtime hash function as not escaping 2019-11-16 20:31:45 +00:00
escape_iface.go cmd/compile: fix devirtualization of promoted interface methods 2020-10-30 00:47:37 +00:00
escape_indir.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_level.go cmd/compile: silence esc diagnostics about directiface OCONVIFACEs 2019-09-03 17:52:06 +00:00
escape_map.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_param.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_runtime_atomic.go test: fix escape_runtime_atomic.go 2019-04-17 22:55:26 +00:00
escape_selfassign.go test: add regress test cases for self-assignment 2019-04-17 16:36:56 +00:00
escape_slice.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_struct_param1.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_struct_param2.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
escape_struct_return.go test: remove -newescape from regress tests 2019-08-28 19:27:20 +00:00
escape_sync_atomic.go runtime/internal/atomic: remove bad go:noescape annotations on Loadp 2019-04-17 19:09:15 +00:00
escape_unsafe.go cmd/compile: silence esc diagnostics about directiface OCONVIFACEs 2019-09-03 17:52:06 +00:00
escape.go
fibo.go
finprofiled.go all: fix typos 2019-09-08 17:28:20 +00:00
float_lit2.go
float_lit3.go
float_lit.go
floatcmp.go
for.go
func1.go
func2.go
func3.go
func4.go
func5.go
func6.go
func7.go
func8.go
func.go
funcdup2.go
funcdup.go
gc1.go
gc2.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
gc.go
gcgort.go test: fast GC+concurrency+types verification 2018-05-08 21:15:48 +00:00
gcstring.go
goprint.go test: adjust a test to work with js/wasm's background goroutine 2019-10-10 19:38:06 +00:00
goprint.out
goto.go
heapsampling.go test: improve test coverage for heap sampling 2019-03-07 21:05:15 +00:00
helloworld.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
helloworld.out
if.go
import1.go
import2.go
import4.go
import5.go
import6.go
import.go
index0.go
index1.go
index2.go
index.go all: fix typos 2019-09-08 17:28:20 +00:00
indirect1.go
indirect.go
init1.go
init.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
initcomma.go
initempty.go cmd/compile: add test for skipping empty init functions 2019-11-04 20:19:15 +00:00
initialize.go
initializerr.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
initloop.go
inline_big.go cmd/compile: output cost while inlining function with Debug['m'] > 1 2020-02-26 14:44:24 +00:00
inline_caller.go runtime: make FuncForPC return the innermost inlined frame 2019-01-08 21:54:04 +00:00
inline_callers.go runtime: make FuncForPC return the innermost inlined frame 2019-01-08 21:54:04 +00:00
inline_literal.go
inline_math_bits_rotate.go cmd/compile: make math/bits.RotateLeft* an intrinsic on amd64 2018-08-30 22:48:28 +00:00
inline_sync.go test: re-enable atomic intrinsic related tests on riscv64 2020-03-25 01:11:15 +00:00
inline_variadic.go cmd/compile: use clearer error message for stuct literal 2020-09-12 08:31:49 +00:00
inline.go cmd/compile: support inlining of type switches 2020-11-06 20:49:11 +00:00
int_lit.go
intcvt.go
intrinsic_atomic.go test: re-enable atomic intrinsic related tests on riscv64 2020-03-25 01:11:15 +00:00
intrinsic.go
iota.go
label1.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
label.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
linkmain_run.go test: avoid writing temporary files to GOROOT 2019-11-18 14:40:07 +00:00
linkmain.go
linkname.go test: remove -newescape from regress tests 2019-08-28 19:27:20 +00:00
linkobj.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
linkx_run.go cmd/compile: don't statically copy string-typed variables 2019-10-03 18:08:32 +00:00
linkx.go [dev.link] all: clean up some TODOs 2019-11-01 20:13:05 +00:00
literal2.go cmd/compile: accept 'i' suffix orthogonally on all numbers 2019-02-19 22:45:09 +00:00
literal.go
live1.go
live2.go cmd/compile: extend ssa.go to handle 1-element array and 1-field struct 2019-09-03 19:33:04 +00:00
live_syscall.go cmd/compile: trim function name prefix from escape diagnostics 2019-09-16 15:30:51 +00:00
live.go cmd/compile,cmd/link: fix and re-enable open-coded defers on riscv64 2020-01-29 16:34:44 +00:00
locklinear.go test: skip locklinear's lockmany test for now 2018-04-05 10:53:40 +00:00
loopbce.go cmd/compile: detect indvars that are bound by other indvars 2019-09-26 18:47:12 +00:00
makechan.go test: remove duplicate code from makechan/makemap 2020-04-19 07:51:23 +00:00
makemap.go test: remove duplicate code from makechan/makemap 2020-04-19 07:51:23 +00:00
makenew.go
makeslice.go cmd/compile: optimize make+copy pattern to avoid memclr 2020-05-07 17:50:24 +00:00
mallocfin.go
map1.go test: match gofrontend error messages 2020-11-28 02:31:54 +00:00
map.go
mapclear.go cmd/compile: optimize map-clearing range idiom 2018-05-08 21:15:16 +00:00
maplinear.go
mergemul.go
method1.go
method2.go test: match gccgo error messages 2020-12-03 16:28:44 +00:00
method3.go
method4.go
method5.go
method6.go
method7.go cmd/compile: fix method expressions with anonymous receivers 2018-04-06 15:39:11 +00:00
method.go
named1.go
named.go
nil.go
nilcheck.go
nilptr2.go test: use a real use function in nilptr2.go 2019-05-11 03:02:33 +00:00
nilptr3.go cmd/compile: fix nilcheck for AIX 2018-11-26 14:13:53 +00:00
nilptr4.go
nilptr5_aix.go test: fix nilptr5 for AIX 2018-11-27 15:36:08 +00:00
nilptr5_wasm.go cmd/compile: fix nilcheck for AIX 2018-11-26 14:13:53 +00:00
nilptr5.go cmd/compile: fix nilcheck for AIX 2018-11-26 14:13:53 +00:00
nilptr_aix.go cmd/compile: fix nilcheck for AIX 2018-11-26 14:13:53 +00:00
nilptr.go cmd/dist: enable more tests on macOS/ARM64 2020-10-06 21:55:49 +00:00
nosplit.go runtime: static lock ranking for the runtime (enabled by GOEXPERIMENT) 2020-04-07 21:51:03 +00:00
notinheap2.go cmd/compile: propagate go:notinheap implicitly 2020-09-17 19:35:53 +00:00
notinheap3.go cmd/compile: omit write barriers for slice clears of go:notinheap pointers 2018-12-05 21:54:54 +00:00
notinheap.go cmd/compile: propagate go:notinheap implicitly 2020-09-17 19:35:53 +00:00
nowritebarrier.go cmd/compile: allow mid-stack inlining when there is a cycle of recursion 2020-04-03 21:43:52 +00:00
nul1.go
opt_branchlikely.go all: fix typos 2019-09-08 17:28:20 +00:00
parentype.go
peano.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
phiopt.go
print.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
print.out
printbig.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
printbig.out
prove.go cmd/compile: check indirect connection between if block and phi block in addLocalInductiveFacts 2020-11-07 07:33:23 +00:00
range.go
README.md test: document specifying individual test files as operands 2020-08-28 21:23:32 +00:00
recover1.go
recover2.go cmd/compile,runtime: generate hash functions only for types which are map keys 2019-09-03 20:41:29 +00:00
recover3.go
recover4.go
recover5.go
recover.go
reflectmethod1.go
reflectmethod2.go
reflectmethod3.go
reflectmethod4.go
reflectmethod5.go cmd/compile: when marking REFLECTMETHOD, check for reflect package itself 2020-04-19 03:12:32 +00:00
reflectmethod6.go cmd/compile: when marking REFLECTMETHOD, check for reflect package itself 2020-04-19 03:12:32 +00:00
rename1.go cmd/compile: rewrite untyped constant conversion logic 2019-09-06 23:15:48 +00:00
rename.go
reorder2.go
reorder.go
retjmp.go
return.go
rotate0.go
rotate1.go
rotate2.go
rotate3.go
rotate.go
run.go all: update to use filepath.WalkDir instead of filepath.Walk 2020-12-02 16:33:57 +00:00
rune.go
runtime.go cmd/compile: report error for unexported name only once 2020-08-25 16:06:36 +00:00
shift1.go test: recognize gofrontend error messages 2020-11-30 20:08:34 +00:00
shift2.go
sieve.go
sigchld.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
sigchld.out
simassign.go
sinit_run.go test: avoid writing temporary files to GOROOT 2019-11-18 14:40:07 +00:00
sinit.go cmd/compile: fix static initializer 2018-12-03 16:48:21 +00:00
sizeof.go
slice3.go
slice3err.go
slicecap.go
sliceopt.go
solitaire.go
stack.go
stackobj2.go test: stress test for stack objects 2018-10-03 19:54:29 +00:00
stackobj3.go cmd/compile,runtime: remove ambiguously live logic 2018-10-03 19:54:16 +00:00
stackobj.go cmd/compile,runtime: remove ambiguously live logic 2018-10-03 19:54:16 +00:00
strcopy.go test: add test to verify that string copies don't get optimized away 2018-06-12 19:10:34 +00:00
strength.go all: fix typos 2019-09-08 17:28:20 +00:00
string_lit.go
stringrange.go
struct0.go
switch2.go
switch3.go
switch4.go
switch5.go Revert "fmt: fix incorrect format of whole-number floats when using %#v" 2018-10-16 21:54:35 +00:00
switch6.go
switch7.go
switch.go
tinyfin.go
torture.go
turing.go
typecheck.go test: add copyright notice to typecheck.go 2020-04-17 13:30:49 +00:00
typecheckloop.go
typeswitch1.go
typeswitch2.go cmd/compile: move duplicate type-case checking into typecheck 2019-09-11 23:33:11 +00:00
typeswitch2b.go cmd/compile/internal/gc: reword "declared and not used" error message 2019-10-28 23:34:13 +00:00
typeswitch3.go test: fix spelling of caught be the compiler to caught by the compiler 2018-10-04 00:49:49 +00:00
typeswitch.go
uintptrescapes2.go cmd/compile: fix //go:uintptrescapes for basic method calls 2019-11-05 00:26:30 +00:00
uintptrescapes3.go cmd/compile: fix //go:uintptrescapes for basic method calls 2019-11-05 00:26:30 +00:00
uintptrescapes.go
undef.go
utf.go
varerr.go
varinit.go
winbatch.go all: update to use filepath.WalkDir instead of filepath.Walk 2020-12-02 16:33:57 +00:00
writebarrier.go cmd/compile: improve generated code for concrete cases in type switches 2020-04-14 17:34:31 +00:00
zerodivide.go

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go run run.go

To run just tests from specified files in this directory, execute:

../bin/go run run.go -- file1.go file2.go ...

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.