cmd/go: convert more tests to the script framework

Part of converting all tests to script framework to improve
test parallelism.

Updates #36320
Updates #17751

Change-Id: I394844da1ffc0dcde7f5862c41ed8efa7c5ca088
Reviewed-on: https://go-review.googlesource.com/c/go/+/214429
Reviewed-by: Jay Conrod <jayconrod@google.com>

src/cmd/go/go_test.go

@@ -1102,42 +1102,6 @@ func TestAccidentalGitCheckout(t *testing.T) {
 	}
 }
 
-func TestVersionControlErrorMessageIncludesCorrectDirectory(t *testing.T) {
-	tg := testgo(t)
-	defer tg.cleanup()
-	tg.setenv("GOPATH", filepath.Join(tg.pwd(), "testdata/shadow/root1"))
-	tg.runFail("get", "-u", "foo")
-
-	// TODO(iant): We should not have to use strconv.Quote here.
-	// The code in vcs.go should be changed so that it is not required.
-	quoted := strconv.Quote(filepath.Join("testdata", "shadow", "root1", "src", "foo"))
-	quoted = quoted[1 : len(quoted)-1]
-
-	tg.grepStderr(regexp.QuoteMeta(quoted), "go get -u error does not mention shadow/root1/src/foo")
-}
-
-// Issue 21895
-func TestMSanAndRaceRequireCgo(t *testing.T) {
-	if !canMSan && !canRace {
-		t.Skip("skipping because both msan and the race detector are not supported")
-	}
-
-	tg := testgo(t)
-	defer tg.cleanup()
-	tg.tempFile("triv.go", `package main; func main() {}`)
-	tg.setenv("CGO_ENABLED", "0")
-	if canRace {
-		tg.runFail("install", "-race", "triv.go")
-		tg.grepStderr("-race requires cgo", "did not correctly report that -race requires cgo")
-		tg.grepStderrNot("-msan", "reported that -msan instead of -race requires cgo")
-	}
-	if canMSan {
-		tg.runFail("install", "-msan", "triv.go")
-		tg.grepStderr("-msan requires cgo", "did not correctly report that -msan requires cgo")
-		tg.grepStderrNot("-race", "reported that -race instead of -msan requires cgo")
-	}
-}
-
 func TestPackageMainTestCompilerFlags(t *testing.T) {
 	tg := testgo(t)
 	defer tg.cleanup()
@@ -1776,28 +1740,6 @@ func main() {
 	tg.run("run", tg.path("foo.go"))
 }
 
-// cmd/cgo: undefined reference when linking a C-library using gccgo
-func TestIssue7573(t *testing.T) {
-	if !canCgo {
-		t.Skip("skipping because cgo not enabled")
-	}
-	testenv.MustHaveExecPath(t, "gccgo")
-
-	tg := testgo(t)
-	defer tg.cleanup()
-	tg.parallel()
-	tg.tempFile("src/cgoref/cgoref.go", `
-package main
-// #cgo LDFLAGS: -L alibpath -lalib
-// void f(void) {}
-import "C"
-
-func main() { C.f() }`)
-	tg.setenv("GOPATH", tg.path("."))
-	tg.run("build", "-n", "-compiler", "gccgo", "cgoref")
-	tg.grepStderr(`gccgo.*\-L [^ ]*alibpath \-lalib`, `no Go-inline "#cgo LDFLAGS:" ("-L alibpath -lalib") passed to gccgo linking stage`)
-}
-
 func TestListTemplateContextFunction(t *testing.T) {
 	t.Parallel()
 	for _, tt := range []struct {
@@ -1986,16 +1928,6 @@ func TestImportLocal(t *testing.T) {
 	tg.grepStderr("cannot import current directory", "did not diagnose import current directory")
 }
 
-func TestGoRunDirs(t *testing.T) {
-	tg := testgo(t)
-	defer tg.cleanup()
-	tg.cd("testdata/rundir")
-	tg.runFail("run", "x.go", "sub/sub.go")
-	tg.grepStderr("named files must all be in one directory; have ./ and sub/", "wrong output")
-	tg.runFail("run", "sub/sub.go", "x.go")
-	tg.grepStderr("named files must all be in one directory; have sub/ and ./", "wrong output")
-}
-
 func TestGoInstallPkgdir(t *testing.T) {
 	skipIfGccgo(t, "gccgo has no standard packages")
 	tooSlow(t)
@@ -2013,26 +1945,6 @@ func TestGoInstallPkgdir(t *testing.T) {
 	tg.mustExist(filepath.Join(pkg, "sync/atomic.a"))
 }
 
-func TestGoInstallShadowedGOPATH(t *testing.T) {
-	// golang.org/issue/3652.
-	// go get foo.io (not foo.io/subdir) was not working consistently.
-
-	testenv.MustHaveExternalNetwork(t)
-
-	tg := testgo(t)
-	defer tg.cleanup()
-	tg.makeTempdir()
-	tg.setenv("GOPATH", tg.path("gopath1")+string(filepath.ListSeparator)+tg.path("gopath2"))
-
-	tg.tempDir("gopath1/src/test")
-	tg.tempDir("gopath2/src/test")
-	tg.tempFile("gopath2/src/test/main.go", "package main\nfunc main(){}\n")
-
-	tg.cd(tg.path("gopath2/src/test"))
-	tg.runFail("install")
-	tg.grepStderr("no install location for.*gopath2.src.test: hidden by .*gopath1.src.test", "missing error")
-}
-
 func TestGoBuildGOPATHOrder(t *testing.T) {
 	// golang.org/issue/14176#issuecomment-179895769
 	// golang.org/issue/14192
@@ -2353,17 +2265,6 @@ func main() {
 	tg.run("build", "-o", exe, "p")
 }
 
-func TestBuildTagsNoComma(t *testing.T) {
-	skipIfGccgo(t, "gccgo has no standard packages")
-	tg := testgo(t)
-	defer tg.cleanup()
-	tg.makeTempdir()
-	tg.setenv("GOPATH", tg.path("go"))
-	tg.run("build", "-tags", "tag1 tag2", "math")
-	tg.runFail("build", "-tags", "tag1,tag2 tag3", "math")
-	tg.grepBoth("space-separated list contains comma", "-tags with a comma-separated list didn't error")
-}
-
 func copyFile(src, dst string, perm os.FileMode) error {
 	sf, err := os.Open(src)
 	if err != nil {

src/cmd/go/testdata/rundir/sub/sub.go

@@ -1 +0,0 @@
-package main

src/cmd/go/testdata/rundir/x.go

@@ -1 +0,0 @@
-package main

src/cmd/go/testdata/script/build_tags_no_comma.txt

@@ -0,0 +1,4 @@
+[gccgo] skip 'gccgo has no standard packages'
+go build -tags 'tag1 tag2' math
+! go build -tags 'tag1,tag2 tag3' math
+stderr 'space-separated list contains comma'

src/cmd/go/testdata/script/gccgo_link_c.txt

@@ -0,0 +1,16 @@
+# Issue #7573
+# cmd/cgo: undefined reference when linking a C-library using gccgo
+
+[!cgo] skip
+[!gccgo] skip
+
+go build -r -compiler gccgo cgoref
+stderr 'gccgo.*\-L [^ ]*alibpath \-lalib' # make sure that Go-inline "#cgo LDFLAGS:" ("-L alibpath -lalib") passed to gccgo linking stage
+
+-- cgoref/cgoref.go --
+package main
+// #cgo LDFLAGS: -L alibpath -lalib
+// void f(void) {}
+import "C"
+
+func main() { C.f() }

src/cmd/go/testdata/script/get_vcs_error_message.txt

@@ -0,0 +1,8 @@
+# Test that the Version Control error message includes the correct directory
+! go get -u foo
+stderr gopath(\\\\|/)src(\\\\|/)foo
+
+-- foo/foo.go --
+package foo
+-- math/math.go --
+package math

src/cmd/go/testdata/script/install_msan_and_race_require_cgo.txt

@@ -0,0 +1,18 @@
+# Tests Issue #21895
+
+[!msan] [!race] skip 'skipping because both msan and the race detector are not supported'
+
+env CGO_ENABLED=0
+
+[race] ! go install -race triv.go
+[race] stderr '-race requires cgo'
+[race] ! stderr '-msan'
+
+[msan] ! go install -msan triv.go
+[msan] stderr '-msan requires cgo'
+[msan] ! stderr '-race'
+
+-- triv.go --
+package main
+
+func main() {}

src/cmd/go/testdata/script/install_shadow_gopath.txt

@@ -0,0 +1,19 @@
+# Tests Issue #3562
+# go get foo.io (not foo.io/subdir) was not working consistently.
+
+[!net] skip
+
+env GOPATH=$WORK/gopath1:$WORK/gopath2
+
+mkdir $WORK/gopath1/src/test
+mkdir $WORK/gopath2/src/test
+cp main.go $WORK/gopath2/src/test/main.go
+cd $WORK/gopath2/src/test
+
+! go install
+stderr 'no install location for.*gopath2.src.test: hidden by .*gopath1.src.test'
+
+-- main.go --
+package main
+
+func main() {}

src/cmd/go/testdata/script/run_dirs.txt

@@ -0,0 +1,11 @@
+cd rundir
+
+! go run x.go sub/sub.go
+stderr 'named files must all be in one directory; have ./ and sub/'
+! go run sub/sub.go x.go
+stderr 'named files must all be in one directory; have sub/ and ./'
+
+-- rundir/sub/sub.go --
+package main
+-- rundir/x.go --
+package main