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// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package compiler
import (
"io/ioutil"
"path/filepath"
"reflect"
"sort"
"testing"
"github.com/google/syzkaller/pkg/ast"
"github.com/google/syzkaller/sys/targets"
)
func TestExtractConsts(t *testing.T) {
data, err := ioutil.ReadFile(filepath.Join("testdata", "consts.txt"))
if err != nil {
t.Fatalf("failed to read input file: %v", err)
}
desc := ast.Parse(data, "consts.txt", nil)
if desc == nil {
t.Fatalf("failed to parse input")
}
target := targets.List[targets.Linux][targets.AMD64]
fileInfo := ExtractConsts(desc, target, func(pos ast.Pos, msg string) {
t.Fatalf("%v: %v", pos, msg)
})
info := fileInfo["consts.txt"]
if info == nil || len(fileInfo) != 1 {
t.Fatalf("bad file info returned: %+v", info)
}
wantConsts := []string{
"__NR_bar", "__NR_foo",
"CONST1", "CONST2", "CONST3", "CONST4", "CONST5",
"CONST6", "CONST7", "CONST8", "CONST9", "CONST10",
"CONST11", "CONST12", "CONST13", "CONST14", "CONST15",
"CONST16", "CONST17", "CONST18", "CONST19", "CONST20",
"CONST21", "CONST22", "CONST23", "CONST24", "CONST25",
"CONST26",
}
sort.Strings(wantConsts)
if !reflect.DeepEqual(info.Consts, wantConsts) {
t.Fatalf("got consts:\n%q\nwant:\n%q", info.Consts, wantConsts)
}
wantIncludes := []string{"foo/bar.h", "bar/foo.h"}
if !reflect.DeepEqual(info.Includes, wantIncludes) {
t.Fatalf("got includes:\n%q\nwant:\n%q", info.Includes, wantIncludes)
}
wantIncdirs := []string{"/foo", "/bar"}
if !reflect.DeepEqual(info.Incdirs, wantIncdirs) {
t.Fatalf("got incdirs:\n%q\nwant:\n%q", info.Incdirs, wantIncdirs)
}
wantDefines := map[string]string{
"CONST1": "1",
"CONST2": "FOOBAR + 1",
}
if !reflect.DeepEqual(info.Defines, wantDefines) {
t.Fatalf("got defines:\n%q\nwant:\n%q", info.Defines, wantDefines)
}
}
func TestConstErrors(t *testing.T) {
name := "consts_errors.txt"
em := ast.NewErrorMatcher(t, filepath.Join("testdata", name))
desc := ast.Parse(em.Data, name, em.ErrorHandler)
if desc == nil {
em.DumpErrors()
t.Fatalf("parsing failed")
}
target := targets.List[targets.Linux][targets.AMD64]
ExtractConsts(desc, target, em.ErrorHandler)
em.Check()
}
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