tests: add TestConcurrentReadCreate, move to new file

https://github.com/rfjakob/gocryptfs/issues/363

1 files changed, 0 insertions, 63 deletions

diff --git a/tests/matrix/matrix_test.go b/tests/matrix/matrix_test.go
index b1d12fa..226dfd8 100644
--- a/tests/matrix/matrix_test.go
+++ b/tests/matrix/matrix_test.go
@@ -15,9 +15,7 @@ import (
 	"bytes"
 	"flag"
 	"fmt"
-	"io"
 	"io/ioutil"
-	"log"
 	"os"
 	"os/exec"
 	"runtime"
@@ -188,67 +186,6 @@ func TestWrite10Tight(t *testing.T) {
 	}
 }
 
-// https://github.com/rfjakob/gocryptfs/issues/363
-//
-// Note: this test calls log.Fatal() instead of t.Fatal() because apperently,
-// calling t.Fatal() from a goroutine hangs the test.
-func TestConcurrentReadWrite(t *testing.T) {
-	var wg sync.WaitGroup
-	fn := test_helpers.DefaultPlainDir + "/TestConcurrentReadWrite"
-	if f, err := os.Create(fn); err != nil {
-		t.Fatal(err)
-	} else {
-		f.Close()
-	}
-	buf := make([]byte, 100)
-	content := []byte("1234567890")
-	threads := 30
-	loops := 30
-	for i := 0; i < threads; i++ {
-		// Reader thread
-		wg.Add(1)
-		go func() {
-			fRd, err := os.Open(fn)
-			if err != nil {
-				log.Fatal(err)
-			}
-			for j := 0; j < loops; j++ {
-				n, err := fRd.ReadAt(buf, 0)
-				if err != nil && err != io.EOF {
-					log.Fatal(err)
-				}
-				if n != 0 && n != 10 {
-					log.Fatalf("strange read length: %d", n)
-				}
-			}
-			fRd.Close()
-			wg.Done()
-		}()
-
-		// Writer thread
-		wg.Add(1)
-		go func() {
-			fWr, err := os.OpenFile(fn, os.O_RDWR, 0700)
-			if err != nil {
-				log.Fatal(err)
-			}
-			for j := 0; j < loops; j++ {
-				err = fWr.Truncate(0)
-				if err != nil {
-					log.Fatal(err)
-				}
-				_, err = fWr.WriteAt(content, 0)
-				if err != nil {
-					log.Fatal(err)
-				}
-			}
-			fWr.Close()
-			wg.Done()
-		}()
-	}
-	wg.Wait()
-}
-
 // Hint for calculating reference md5sums:
 // dd if=/dev/zero count=1 bs=XYZ | md5sum
 func TestTruncate(t *testing.T) {