Add negative integration tests for readwrite syscalls (task 348)

Add four negative scenarios that verify ior captures tracepoints even
when syscalls fail:
- readwrite-wronly-read: read from O_WRONLY fd (EBADF)
- readwrite-rdonly-write: write to O_RDONLY fd (EBADF)
- readwrite-pread-invalid: pread64 with negative offset (EINVAL)
- readwrite-pwrite-invalid: pwrite64 with negative offset (EINVAL)

Amp-Thread-ID: https://ampcode.com/threads/T-019c818c-ec91-7673-a5ba-e9b2ba53379b
Co-authored-by: Amp <amp@ampcode.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/integrationtests/readwrite_test.go b/integrationtests/readwrite_test.go
index 3770ae1..e7492ec 100644
--- a/integrationtests/readwrite_test.go
+++ b/integrationtests/readwrite_test.go
@@ -62,3 +62,47 @@ func TestReadwriteWritev(t *testing.T) {
 		},
 	})
 }
+
+func TestReadwriteWronlyRead(t *testing.T) {
+	runScenario(t, "readwrite-wronly-read", []ExpectedEvent{
+		{
+			PathContains: "wronlyfile.txt",
+			Tracepoint:   "enter_read",
+			Comm:         "ioworkload",
+			MinCount:     1,
+		},
+	})
+}
+
+func TestReadwriteRdonlyWrite(t *testing.T) {
+	runScenario(t, "readwrite-rdonly-write", []ExpectedEvent{
+		{
+			PathContains: "rdonlywritefile.txt",
+			Tracepoint:   "enter_write",
+			Comm:         "ioworkload",
+			MinCount:     1,
+		},
+	})
+}
+
+func TestReadwritePreadInvalid(t *testing.T) {
+	runScenario(t, "readwrite-pread-invalid", []ExpectedEvent{
+		{
+			PathContains: "preadinvalid.txt",
+			Tracepoint:   "enter_pread64",
+			Comm:         "ioworkload",
+			MinCount:     1,
+		},
+	})
+}
+
+func TestReadwritePwriteInvalid(t *testing.T) {
+	runScenario(t, "readwrite-pwrite-invalid", []ExpectedEvent{
+		{
+			PathContains: "pwriteinvalid.txt",
+			Tracepoint:   "enter_pwrite64",
+			Comm:         "ioworkload",
+			MinCount:     1,
+		},
+	})
+}