tools/syz-linter: check t.Logf/Errorf/Fatalf messages

Fix checking of Logf, it has string in 0-th arg.
Add checking of t.Errorf/Fatalf.

1 files changed, 9 insertions, 0 deletions

diff --git a/tools/syz-linter/testdata/src/lintertest/lintertest.go b/tools/syz-linter/testdata/src/lintertest/lintertest.go
index 51700726e..c6ba8ba8f 100644
--- a/tools/syz-linter/testdata/src/lintertest/lintertest.go
+++ b/tools/syz-linter/testdata/src/lintertest/lintertest.go
@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"testing"
 )
 
 /* some comment */ // want "Use C-style comments // instead of /* */"
@@ -100,6 +101,14 @@ func logErrorMessages() {
 	fmt.Fprintf(os.Stderr, "%v", err)                                   // want "Add \\\\n at the end of printed messages"
 }
 
+func testMessages(t *testing.T) {
+	t.Logf("good message %v", 1)
+	t.Logf("Bad message %v", 1)     // want "Don't start log/error messages with a Capital letter"
+	t.Errorf("bad message %v\n", 1) // want "Don't use \\\\n at the end of log/error messages"
+	t.Fatalf("Bad message %v", 1)   // want "Don't start log/error messages with a Capital letter"
+	t.Fatalf("PublicFunc is ok %v", 1)
+}
+
 func varDecls() {
 	var a int
 	b := 0