Another coverage test that reveals refactoring error.

2 files changed, 15 insertions, 1 deletions

diff --git a/generic/tclIO.c b/generic/tclIO.c
index 4197dc0..c862923 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -8880,10 +8880,10 @@ CopyAndTranslateBuffer(
 	 * If there is a held-back "\r" at EOF, produce it now.
 	 */
 
-	Tcl_Panic("Untested");
 	if (bytesInBuffer == 0) {
 	    if ((statePtr->flags & (INPUT_SAW_CR | CHANNEL_EOF)) ==
 		    (INPUT_SAW_CR | CHANNEL_EOF)) {
+		Tcl_Panic("Untested");
 		result[0] = '\r';
 		ResetFlag(statePtr, INPUT_SAW_CR);
 		return 1;
diff --git a/tests/io.test b/tests/io.test
index 0c2944b..4df44a3 100644
--- a/tests/io.test
+++ b/tests/io.test
@@ -6758,6 +6758,20 @@ test io-52.13 {coverage of -translation cr} {
     close $out
     file size $path(test2)
 } 30
+test io-52.14 {coverage of -translation crlf} {
+    file delete $path(test1) $path(test2)
+    set out [open $path(test1) wb]
+    chan configure $out -translation lf
+    puts -nonewline $out abcdefg\rhijklmn\nopqrstu\r\nvwxyz
+    close $out
+    set in [open $path(test1)]
+    chan configure $in -buffersize 8 -translation crlf
+    set out [open $path(test2) w]
+    fcopy $in $out
+    close $in
+    close $out
+    file size $path(test2)
+} 29
 
 test io-53.1 {CopyData} {fcopy} {
     file delete $path(test1)