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// Copyright (c) 2017, Google Inc.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
package main
import (
"bytes"
"flag"
"io/ioutil"
"path/filepath"
"testing"
)
var (
testDataDir = flag.String("testdata", "testdata", "The path to the test data directory.")
update = flag.Bool("update", false, "If true, update output files rather than compare them.")
)
type delocateTest struct {
name string
in []string
out string
}
func (test *delocateTest) Path(file string) string {
return filepath.Join(*testDataDir, test.name, file)
}
var delocateTests = []delocateTest{
{"generic-FileDirectives", []string{"in.s"}, "out.s"},
{"ppc64le-GlobalEntry", []string{"in.s"}, "out.s"},
{"ppc64le-LoadToR0", []string{"in.s"}, "out.s"},
{"ppc64le-Sample2", []string{"in.s"}, "out.s"},
{"ppc64le-Sample", []string{"in.s"}, "out.s"},
{"ppc64le-TOCWithOffset", []string{"in.s"}, "out.s"},
{"x86_64-Basic", []string{"in.s"}, "out.s"},
{"x86_64-BSS", []string{"in.s"}, "out.s"},
{"x86_64-GOTRewrite", []string{"in.s"}, "out.s"},
{"x86_64-LargeMemory", []string{"in.s"}, "out.s"},
{"x86_64-LabelRewrite", []string{"in1.s", "in2.s"}, "out.s"},
{"x86_64-Sections", []string{"in.s"}, "out.s"},
{"x86_64-ThreeArg", []string{"in.s"}, "out.s"},
{"aarch64-Basic", []string{"in.s"}, "out.s"},
}
func TestDelocate(t *testing.T) {
for _, test := range delocateTests {
t.Run(test.name, func(t *testing.T) {
var inputs []inputFile
for i, in := range test.in {
inputs = append(inputs, inputFile{
index: i,
path: test.Path(in),
})
}
if err := parseInputs(inputs); err != nil {
t.Fatalf("parseInputs failed: %s", err)
}
var buf bytes.Buffer
if err := transform(&buf, inputs); err != nil {
t.Fatalf("transform failed: %s", err)
}
if *update {
ioutil.WriteFile(test.Path(test.out), buf.Bytes(), 0666)
} else {
expected, err := ioutil.ReadFile(test.Path(test.out))
if err != nil {
t.Fatalf("could not read %q: %s", test.Path(test.out), err)
}
if !bytes.Equal(buf.Bytes(), expected) {
t.Errorf("delocated output differed. Wanted:\n%s\nGot:\n%s\n", expected, buf.Bytes())
}
}
})
}
}