Add tests for panicky functions

1 files changed, 10 insertions, 7 deletions

diff --git a/src/gobang.go b/src/gobang.go
index 57a087d..2217236 100644
--- a/src/gobang.go
+++ b/src/gobang.go
@@ -15,7 +15,6 @@ import (
 	"runtime/debug"
 	"slices"
 	"strings"
-	"syscall"
 	"time"
 
 	"guuid"
@@ -57,6 +56,7 @@ var (
 
 	testOutput io.Writer = os.Stderr
 	testExitFn  = os.Exit
+	randomReader = rand.Reader
 
 	SourceInfoSkip = 3
 
@@ -116,11 +116,13 @@ func SomeFnError(fns ...func() error) error {
 	return SomeError(errs...)
 }
 
-func Random(length int) []byte {
+func Random(length int) ([]byte, error) {
 	buffer := make([]byte, length)
-	_, err := io.ReadFull(rand.Reader, buffer)
-	FatalIf(err)
-	return buffer
+	_, err := io.ReadFull(randomReader, buffer)
+	if err != nil {
+		return nil, err
+	}
+	return buffer, nil
 }
 
 func sourceInfo(skip int) slog.Attr {
@@ -393,6 +395,7 @@ func TAssertEqualI[T any](givenarr []T, expectedarr []T) {
 			expectedarr[givenlen:],
 		)
 		testExitFn(100)
+		return
 	}
 
 	if givenlen > expectedlen {
@@ -404,6 +407,7 @@ func TAssertEqualI[T any](givenarr []T, expectedarr []T) {
 			givenarr[expectedlen:],
 		)
 		testExitFn(100)
+		return
 	}
 
 	for i, _ := range givenarr {
@@ -497,8 +501,7 @@ func Fatal(err error) {
 		"error", err,
 		"stack", string(debug.Stack()),
 	)
-	syscall.Kill(os.Getpid(), syscall.SIGABRT)
-	os.Exit(3)
+	panic(err)
 }
 
 func FatalIf(err error) {