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firestar5683
ab81464bd1
Add navigation and map matching providers with the vendored map service sources. Co-authored-by: Daniel Koepping <elkoled@gmail.com> Co-authored-by: Danny <dannyirwin31@yahoo.com> Co-authored-by: Prabhaav Pillai <prabhaav@msu.edu> Co-authored-by: dirwin31 <83434411+dirwin31@users.noreply.github.com>
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package main
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import (
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"os"
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"regexp"
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"strconv"
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"testing"
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"unsafe"
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"github.com/edsrzf/mmap-go"
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"github.com/pfeiferj/gomsgq"
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)
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func TestMsgqNativeLayout(t *testing.T) {
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source, err := os.ReadFile("../msgq_repo/msgq/msgq.h")
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if err != nil {
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t.Fatal(err)
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}
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match := regexp.MustCompile(`(?m)^#define NUM_READERS ([0-9]+)$`).FindSubmatch(source)
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if len(match) != 2 {
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t.Fatal("native reader layout missing")
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}
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count, err := strconv.Atoi(string(match[1]))
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if err != nil {
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t.Fatal(err)
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}
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if gomsgq.NUM_READERS != count || gomsgq.HEADER_SIZE != int64(24+24*count) {
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t.Fatalf("Go/native msgq ABI differs: Go readers=%d bytes=%d native readers=%d", gomsgq.NUM_READERS, gomsgq.HEADER_SIZE, count)
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}
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mem := make(mmap.MMap, gomsgq.HEADER_SIZE+8)
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var header gomsgq.Header
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header.Init(mem)
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for index := range count {
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header.ReadPointers[index] = uint64(index + 1)
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header.ReadValids[index] = uint64(index + 101)
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header.ReadUids[index] = uint64(index + 201)
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for column, expected := range []uint64{uint64(index + 1), uint64(index + 101), uint64(index + 201)} {
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actual := *(*uint64)(unsafe.Pointer(&mem[24+8*(column*count+index)]))
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if actual != expected {
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t.Fatalf("reader %d column %d wrong offset", index, column)
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}
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}
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}
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if *(*uint64)(unsafe.Pointer(&mem[gomsgq.HEADER_SIZE])) != 0 {
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t.Fatal("reader metadata overlaps payload")
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}
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}
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