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path: root/tests/matrix/matrix_test.go
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Diffstat (limited to 'tests/matrix/matrix_test.go')
-rw-r--r--tests/matrix/matrix_test.go11
1 files changed, 8 insertions, 3 deletions
diff --git a/tests/matrix/matrix_test.go b/tests/matrix/matrix_test.go
index af4769a..2215ff6 100644
--- a/tests/matrix/matrix_test.go
+++ b/tests/matrix/matrix_test.go
@@ -16,6 +16,7 @@ import (
"flag"
"fmt"
"io/ioutil"
+ "math/rand"
"os"
"os/exec"
"runtime"
@@ -96,7 +97,7 @@ func TestMain(m *testing.M) {
os.Exit(0)
}
-// Write "n" zero bytes to filename "fn", read again, compare hash
+// Write `n` random bytes to filename `fn`, read again, compare hash
func testWriteN(t *testing.T, fn string, n int) string {
file, err := os.Create(test_helpers.DefaultPlainDir + "/" + fn)
if err != nil {
@@ -104,6 +105,10 @@ func testWriteN(t *testing.T, fn string, n int) string {
}
d := make([]byte, n)
+ for i := range d {
+ // Fill with pattern
+ d[i] = byte(rand.Int())
+ }
_, err = file.Write(d)
if err != nil {
t.Fatal(err)
@@ -143,9 +148,9 @@ func TestWrite100x100(t *testing.T) {
// Read and check 100 times to catch race conditions
var i int
for i = 0; i < 100; i++ {
- hashActual := test_helpers.Md5fn(test_helpers.DefaultPlainDir + "/100")
+ hashActual := test_helpers.Md5fn(test_helpers.DefaultPlainDir + "/100x100")
if hashActual != hashWant {
- fmt.Printf("Read corruption in loop #%d\n", i)
+ fmt.Printf("Read corruption in loop #%d: have=%s want=%s\n", i, hashActual, hashWant)
t.FailNow()
} else {
//fmt.Print(".")