// Copyright 2017 syzkaller project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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package compiler
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import (
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"io/ioutil"
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"path/filepath"
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"reflect"
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"sort"
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"testing"
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"github.com/google/syzkaller/pkg/ast"
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"github.com/google/syzkaller/sys/targets"
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)
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func TestExtractConsts(t *testing.T) {
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data, err := ioutil.ReadFile(filepath.Join("testdata", "consts.txt"))
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if err != nil {
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t.Fatalf("failed to read input file: %v", err)
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}
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desc := ast.Parse(data, "consts.txt", nil)
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if desc == nil {
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t.Fatalf("failed to parse input")
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}
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target := targets.List["linux"]["amd64"]
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fileInfo := ExtractConsts(desc, target, func(pos ast.Pos, msg string) {
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t.Fatalf("%v: %v", pos, msg)
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})
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info := fileInfo["consts.txt"]
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if info == nil || len(fileInfo) != 1 {
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t.Fatalf("bad file info returned: %+v", info)
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}
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wantConsts := []string{
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"__NR_bar", "__NR_foo",
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"CONST1", "CONST2", "CONST3", "CONST4", "CONST5",
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"CONST6", "CONST7", "CONST8", "CONST9", "CONST10",
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"CONST11", "CONST12", "CONST13", "CONST14", "CONST15",
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"CONST16", "CONST17", "CONST18", "CONST19", "CONST20",
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"CONST21", "CONST22", "CONST23", "CONST24",
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}
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sort.Strings(wantConsts)
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if !reflect.DeepEqual(info.Consts, wantConsts) {
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t.Fatalf("got consts:\n%q\nwant:\n%q", info.Consts, wantConsts)
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}
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wantIncludes := []string{"foo/bar.h", "bar/foo.h"}
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if !reflect.DeepEqual(info.Includes, wantIncludes) {
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t.Fatalf("got includes:\n%q\nwant:\n%q", info.Includes, wantIncludes)
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}
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wantIncdirs := []string{"/foo", "/bar"}
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if !reflect.DeepEqual(info.Incdirs, wantIncdirs) {
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t.Fatalf("got incdirs:\n%q\nwant:\n%q", info.Incdirs, wantIncdirs)
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}
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wantDefines := map[string]string{
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"CONST1": "1",
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"CONST2": "FOOBAR + 1",
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}
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if !reflect.DeepEqual(info.Defines, wantDefines) {
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t.Fatalf("got defines:\n%q\nwant:\n%q", info.Defines, wantDefines)
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}
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}
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func TestConstErrors(t *testing.T) {
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name := "consts_errors.txt"
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em := ast.NewErrorMatcher(t, filepath.Join("testdata", name))
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desc := ast.Parse(em.Data, name, em.ErrorHandler)
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if desc == nil {
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em.DumpErrors(t)
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t.Fatalf("parsing failed")
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}
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target := targets.List["linux"]["amd64"]
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ExtractConsts(desc, target, em.ErrorHandler)
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em.Check(t)
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}
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