# Test go build -pgo=auto flag.

[short] skip 'compiles and links executables'

# Set up fresh GOCACHE.
env GOCACHE=$WORK/gocache
mkdir $GOCACHE

# use default.pgo for a single main package
go build -n -pgo=auto -o a1.exe ./a/a1
stderr 'preprofile.*-i.*default\.pgo'
stderr 'compile.*-pgoprofile=.*a1.go'

# check that pgo applied to dependencies
stderr 'compile.*-p test/dep.*-pgoprofile=.*'

# check that pgo appears in build info

class CacheControlTest {
  @Test
  @Throws(Exception::class)
  fun emptyBuilderIsEmpty() {
    val cacheControl = CacheControl.Builder().build()
    assertThat(cacheControl.toString()).isEqualTo("")
    assertThat(cacheControl.noCache).isFalse()
    assertThat(cacheControl.noStore).isFalse()
    assertThat(cacheControl.maxAgeSeconds).isEqualTo(-1)
    assertThat(cacheControl.sMaxAgeSeconds).isEqualTo(-1)
    assertThat(cacheControl.isPrivate).isFalse()

# Test that the user can override default code generation flags.

[compiler:gccgo] skip  # gccgo does not use -gcflags
[!cgo] skip
[!GOOS:linux] skip  # test only works if c-archive implies -shared
[short] skip

env GOCACHE=$WORK/gocache  # Looking for compile commands, so need a clean cache.
go build -x -n -buildmode=c-archive -gcflags=all=-shared=false ./override.go
stderr '^.*/compile (.* )?-shared (.* )?-shared=false'

-- override.go --

    -e IN_BUILD_CONTAINER=1 \
    -e TZ="${TIMEZONE:-$TZ}" \
    --mount "type=bind,source=${MOUNT_SOURCE},destination=/work" \
    --mount "type=volume,source=go,destination=/go" \
    --mount "type=volume,source=gocache,destination=/gocache" \
    --mount "type=volume,source=cache,destination=/home/.cache" \
    --mount "type=volume,source=crates,destination=/home/.cargo/registry" \
    --mount "type=volume,source=git-crates,destination=/home/.cargo/git" \

# Normally, the default is gcc or clang, but if CC was set during make.bash,
# that becomes the default.
[!cc:clang] [!cc:gcc] skip 'C compiler is not gcc or clang'

env GOCACHE=$WORK/gocache  # Looking for compile flags, so need a clean cache.
[!GOOS:windows] env PATH=.:$PATH
[!GOOS:windows] chmod 0755 p/gcc p/clang
[!GOOS:windows] exists -exec p/gcc p/clang
[GOOS:windows] exists -exec p/gcc.bat p/clang.bat

[short] skip
[!fuzz-instrumented] skip

env GOCACHE=$WORK/cache
! go test -fuzz=FuzzDead -v
# This is a somewhat inexact check, but since we don't prefix the error with anything
# and as the error suffix is platform dependent, this is the best we can do. In the
# deadlock failure case, the test will just deadlock and timeout anyway, so it should
# be clear that that failure mode is different.
stdout 'open'

-- go.mod --
module test

[short] skip

# Packages in std do not have an install target.
go list -f '{{.Target}}' fmt
! stdout .
go list -export -f '{{.Export}}' fmt
stdout $GOCACHE

# With GODEBUG=installgoroot=all, fmt has a target.
# (Though we can't try installing it without modifying goroot).
env GODEBUG=installgoroot=all
go list -f '{{.Target}}' fmt
stdout fmt\.a

# However, the fake packages "builtin" and "unsafe" do not.

		t.Fatal(err)
	}
	env := append(os.Environ(), "GOROOT=", "GOROOT_BOOTSTRAP="+realGoroot)

	// Use a clean cache.
	gocache := t.TempDir()
	env = append(env, "GOCACHE="+gocache)

	// Build the toolchain without GOEXPERIMENT.
	var makeScript string
	switch runtime.GOOS {
	case "windows":
		makeScript = "make.bat"
	case "plan9":
		makeScript = "make.rc"

# should not depend on its working directory, even if the binary is specified as
# a list of relative source files.

[short] skip  # links and runs binaries

env GOFLAGS=-trimpath
env GOCACHE=$WORK/gocache


# When we build a binary in module mode with -trimpath, the -D flag (for the
# "local import prefix") should not be passed to it.

cd $WORK/tmp/foo
go build -x -o a.exe main.go

[short] skip

env GO111MODULE=on
env GOCACHE=$WORK/gocache
env GODEBUG=gocachetest=1

# The first run of a test should not be cached.
# The second run should be.
go test -run=WriteTmp .
! stdout '(cached)'
go test -run=WriteTmp .
stdout '(cached)'

# 'go test' without arguments should never be cached.
go test -run=WriteTmp
! stdout '(cached)'
go test -run=WriteTmp
! stdout '(cached)'