1
2# This test is intended to verify that coverage reporting is consistent
3# between "go test -cover" and "go build -cover" with respect to how
4# the "main" package is handled. See issue 57169 for details.
5
6[short] skip
7
8# Build this program with -cover and run to collect a profile.
9
10go build -cover -o $WORK/prog.exe .
11
12# Save off old GOCOVERDIR setting
13env SAVEGOCOVERDIR=$GOCOVERDIR
14
15mkdir $WORK/covdata
16env GOCOVERDIR=$WORK/covdata
17exec $WORK/prog.exe
18
19# Restore previous GOCOVERDIR setting
20env GOCOVERDIR=$SAVEGOCOVERDIR
21
22# Report percent lines covered.
23go tool covdata percent -i=$WORK/covdata
24stdout '\s*mainwithtest\s+coverage:'
25! stdout 'main\s+coverage:'
26
27# Go test -cover should behave the same way.
28go test -cover .
29stdout 'ok\s+mainwithtest\s+\S+\s+coverage:'
30! stdout 'ok\s+main\s+.*'
31
32
33-- go.mod --
34module mainwithtest
35
36go 1.20
37-- mymain.go --
38package main
39
40func main() {
41 println("hi mom")
42}
43
44func Mainer() int {
45 return 42
46}
47-- main_test.go --
48package main
49
50import "testing"
51
52func TestCoverage(t *testing.T) {
53 println(Mainer())
54}
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