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pkg/csource: don't print too much error output

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We print whole reproducer programs on failure,
if lots of programs fail, this results in thousands
of lines of output, which is esp bad on travis.
Limit amount of output.
This commit is contained in:
Dmitry Vyukov 2020-02-13 13:26:26 +01:00
parent 84f4fc8afc
commit e624765350
1 changed files with 19 additions and 0 deletions
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19
pkg/csource/csource_test.go
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@ -13,6 +13,7 @@ import (
"regexp"
"runtime"
"strings"
"sync/atomic"
"testing"
"time"
@ -108,14 +109,32 @@ func testTarget(t *testing.T, target *prog.Target, full bool) {
}
}
var failedTests uint32
func testOne(t *testing.T, p *prog.Prog, opts Options) {
// Each failure produces lots of output (including full C source).
// Frequently lots of tests fail at the same, which produces/tmp/log
// tens of thounds of lines of output. Limit amount of output.
maxFailures := uint32(10)
if os.Getenv("TRAVIS") != "" {
maxFailures = 1
}
if atomic.LoadUint32(&failedTests) > maxFailures {
return
}
src, err := Write(p, opts)
if err != nil {
if atomic.AddUint32(&failedTests, 1) > maxFailures {
t.Fatal()
}
t.Logf("opts: %+v\nprogram:\n%s\n", opts, p.Serialize())
t.Fatalf("%v", err)
}
bin, err := Build(p.Target, src)
if err != nil {
if atomic.AddUint32(&failedTests, 1) > maxFailures {
t.Fatal()
}
t.Logf("opts: %+v\nprogram:\n%s\n", opts, p.Serialize())
t.Fatalf("%v", err)
}