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[git-generate] cd src/cmd/compile/internal/gc rf ' mv bench_test.go constFold_test.go dep_test.go \ fixedbugs_test.go iface_test.go float_test.go global_test.go \ inl_test.go lang_test.go logic_test.go \ reproduciblebuilds_test.go shift_test.go ssa_test.go \ truncconst_test.go zerorange_test.go \ cmd/compile/internal/test ' mv testdata ../test Change-Id: I041971b7e9766673f7a331679bfe1c8110dcda66 Reviewed-on: https://go-review.googlesource.com/c/go/+/279480 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package test
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import (
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"internal/testenv"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"testing"
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)
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const aliasSrc = `
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package x
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type T = int
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`
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func TestInvalidLang(t *testing.T) {
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t.Parallel()
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testenv.MustHaveGoBuild(t)
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dir, err := ioutil.TempDir("", "TestInvalidLang")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(dir)
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src := filepath.Join(dir, "alias.go")
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if err := ioutil.WriteFile(src, []byte(aliasSrc), 0644); err != nil {
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t.Fatal(err)
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}
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outfile := filepath.Join(dir, "alias.o")
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if testLang(t, "go9.99", src, outfile) == nil {
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t.Error("compilation with -lang=go9.99 succeeded unexpectedly")
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}
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// This test will have to be adjusted if we ever reach 1.99 or 2.0.
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if testLang(t, "go1.99", src, outfile) == nil {
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t.Error("compilation with -lang=go1.99 succeeded unexpectedly")
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}
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if testLang(t, "go1.8", src, outfile) == nil {
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t.Error("compilation with -lang=go1.8 succeeded unexpectedly")
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}
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if err := testLang(t, "go1.9", src, outfile); err != nil {
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t.Errorf("compilation with -lang=go1.9 failed unexpectedly: %v", err)
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}
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}
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func testLang(t *testing.T, lang, src, outfile string) error {
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run := []string{testenv.GoToolPath(t), "tool", "compile", "-lang", lang, "-o", outfile, src}
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t.Log(run)
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out, err := exec.Command(run[0], run[1:]...).CombinedOutput()
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t.Logf("%s", out)
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return err
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}
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