blob: 289af9908a486b48f0181cdea183c73a00c22627 [file] [log] [blame]
// Copyright 2015 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 main_test
import (
"go/build"
"runtime"
"testing"
"cmd/go/internal/buildid"
)
func TestNoteReading(t *testing.T) {
testNoteReading(t)
}
func TestNoteReading2K(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skipf("2kB is not enough on %s", runtime.GOOS)
}
// Set BuildIDReadSize to 2kB to exercise Mach-O parsing more strictly.
defer func(old int) {
buildid.BuildIDReadSize = old
}(buildid.BuildIDReadSize)
buildid.BuildIDReadSize = 2 * 1024
testNoteReading(t)
}
func testNoteReading(t *testing.T) {
tg := testgo(t)
defer tg.cleanup()
tg.tempFile("hello.go", `package main; func main() { print("hello, world\n") }`)
const buildID = "TestNoteReading-Build-ID"
tg.run("build", "-ldflags", "-buildid="+buildID, "-o", tg.path("hello.exe"), tg.path("hello.go"))
id, err := buildid.ReadBuildIDFromBinary(tg.path("hello.exe"))
if err != nil {
t.Fatalf("reading build ID from hello binary: %v", err)
}
if id != buildID {
t.Fatalf("buildID in hello binary = %q, want %q", id, buildID)
}
switch {
case !build.Default.CgoEnabled:
t.Skipf("skipping - no cgo, so assuming external linking not available")
case runtime.GOOS == "linux" && (runtime.GOARCH == "ppc64le" || runtime.GOARCH == "ppc64"):
t.Skipf("skipping - external linking not supported, golang.org/issue/11184")
case runtime.GOOS == "openbsd" && runtime.GOARCH == "arm":
t.Skipf("skipping - external linking not supported, golang.org/issue/10619")
case runtime.GOOS == "plan9":
t.Skipf("skipping - external linking not supported")
}
tg.run("build", "-ldflags", "-buildid="+buildID+" -linkmode=external", "-o", tg.path("hello.exe"), tg.path("hello.go"))
id, err = buildid.ReadBuildIDFromBinary(tg.path("hello.exe"))
if err != nil {
t.Fatalf("reading build ID from hello binary (linkmode=external): %v", err)
}
if id != buildID {
t.Fatalf("buildID in hello binary = %q, want %q (linkmode=external)", id, buildID)
}
}