c8cf62bba8
Apparently Windows' .lib files are also ar. Add tests. Change-Id: Ie35f410268086b8fe6d4d1b491de3f30a46309dd Reviewed-on: https://boringssl-review.googlesource.com/c/33348 Commit-Queue: David Benjamin <davidben@google.com> Reviewed-by: Adam Langley <agl@google.com>
119 lines
2.9 KiB
Go
119 lines
2.9 KiB
Go
// Copyright (c) 2018, Google Inc.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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package ar
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import (
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"bytes"
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"flag"
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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)
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var testDataDir = flag.String("testdata", "testdata", "The path to the test data directory.")
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type arTest struct {
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name string
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in string
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out map[string]string
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// allowPadding is true if the contents may have trailing newlines at end.
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// On macOS, ar calls ranlib which pads all inputs up to eight bytes with
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// newlines. Unlike ar's native padding up to two bytes, this padding is
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// included in the size field, so it is not removed when decoding.
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allowPadding bool
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}
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func (test *arTest) Path(file string) string {
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return filepath.Join(*testDataDir, test.name, file)
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}
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func removeTrailingNewlines(in []byte) []byte {
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for len(in) > 0 && in[len(in)-1] == '\n' {
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in = in[:len(in)-1]
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}
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return in
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}
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var arTests = []arTest{
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{
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"linux",
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"libsample.a",
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map[string]string{
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"foo.c.o": "foo.c.o",
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"bar.cc.o": "bar.cc.o",
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},
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false,
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},
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{
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"mac",
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"libsample.a",
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map[string]string{
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"foo.c.o": "foo.c.o",
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"bar.cc.o": "bar.cc.o",
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},
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true,
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},
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{
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"windows",
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"sample.lib",
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map[string]string{
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"CMakeFiles\\sample.dir\\foo.c.obj": "foo.c.obj",
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"CMakeFiles\\sample.dir\\bar.cc.obj": "bar.cc.obj",
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},
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false,
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},
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}
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func TestAR(t *testing.T) {
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for _, test := range arTests {
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t.Run(test.name, func(t *testing.T) {
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in, err := os.Open(test.Path(test.in))
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if err != nil {
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t.Fatalf("opening input failed: %s", err)
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}
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defer in.Close()
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ret, err := ParseAR(in)
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if err != nil {
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t.Fatalf("reading input failed: %s", err)
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}
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for file, contentsPath := range test.out {
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expected, err := ioutil.ReadFile(test.Path(contentsPath))
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if err != nil {
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t.Fatalf("error reading %s: %s", contentsPath, err)
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}
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got, ok := ret[file]
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if test.allowPadding {
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got = removeTrailingNewlines(got)
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expected = removeTrailingNewlines(got)
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}
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if !ok {
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t.Errorf("file %s missing from output", file)
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} else if !bytes.Equal(got, expected) {
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t.Errorf("contents for file %s did not match", file)
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}
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}
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for file, _ := range ret {
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if _, ok := test.out[file]; !ok {
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t.Errorf("output contained unexpected file %q", file)
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}
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}
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})
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}
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}
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