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📁 ..
📄 README(205 B)
📄 abiutils_test.go(14.51 KB)
📄 abiutilsaux_test.go(3.24 KB)
📄 align_test.go(1.57 KB)
📄 bench_test.go(2.08 KB)
📄 clobberdead_test.go(1.25 KB)
📄 constFold_test.go(322.99 KB)
📄 dep_test.go(858 B)
📄 divconst_test.go(7.74 KB)
📄 fixedbugs_test.go(2.24 KB)
📄 float_test.go(12.48 KB)
📄 global_test.go(2.59 KB)
📄 iface_test.go(1.92 KB)
📄 inl_test.go(8.19 KB)
📄 inst_test.go(2.21 KB)
📄 intrinsics_test.go(1.08 KB)
📄 issue50182_test.go(1.24 KB)
📄 lang_test.go(1.47 KB)
📄 logic_test.go(11.08 KB)
📄 mulconst_test.go(4.29 KB)
📄 race.go(1.33 KB)
📄 reproduciblebuilds_test.go(2.9 KB)
📄 shift_test.go(21.62 KB)
📄 ssa_test.go(5.12 KB)
📄 switch_test.go(2.29 KB)
📄 test.go(13 B)
📁 testdata
📄 truncconst_test.go(1.76 KB)
📄 zerorange_test.go(4.06 KB)

Editing: lang_test.go

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package test

import (
	"internal/testenv"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"testing"
)

const aliasSrc = `
package x

type T = int
`

func TestInvalidLang(t *testing.T) {
	t.Parallel()

testenv.MustHaveGoBuild(t)

dir, err := ioutil.TempDir("", "TestInvalidLang")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(dir)

src := filepath.Join(dir, "alias.go")
	if err := ioutil.WriteFile(src, []byte(aliasSrc), 0644); err != nil {
		t.Fatal(err)
	}

outfile := filepath.Join(dir, "alias.o")

if testLang(t, "go9.99", src, outfile) == nil {
		t.Error("compilation with -lang=go9.99 succeeded unexpectedly")
	}

// This test will have to be adjusted if we ever reach 1.99 or 2.0.
	if testLang(t, "go1.99", src, outfile) == nil {
		t.Error("compilation with -lang=go1.99 succeeded unexpectedly")
	}

if testLang(t, "go1.8", src, outfile) == nil {
		t.Error("compilation with -lang=go1.8 succeeded unexpectedly")
	}

if err := testLang(t, "go1.9", src, outfile); err != nil {
		t.Errorf("compilation with -lang=go1.9 failed unexpectedly: %v", err)
	}
}

func testLang(t *testing.T, lang, src, outfile string) error {
	run := []string{testenv.GoToolPath(t), "tool", "compile", "-p=p", "-lang", lang, "-o", outfile, src}
	t.Log(run)
	out, err := exec.Command(run[0], run[1:]...).CombinedOutput()
	t.Logf("%s", out)
	return err
}

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Editing: lang_test.go

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