partially revert [e9f5ff2f6a] - encoding-15.3 used not existing command "teststringbytes" (should be "testbytesstring"? but it is not an opposite to get same result as convert to identity, so splitted to 3 new cases illustrating the results)

1 files changed, 11 insertions, 2 deletions

diff --git a/tests/encoding.test b/tests/encoding.test
index 84d271d..997b399 100644
--- a/tests/encoding.test
+++ b/tests/encoding.test
@@ -320,9 +320,18 @@ test encoding-15.2 {UtfToUtfProc null character output} testbytestring {
     binary scan [testbytestring [encoding convertto utf-8 \u0000]] H* z
     set z
 } 00
-test encoding-15.3 {UtfToUtfProc null character input} teststringbytes {
+test encoding-15.3.a {UtfToUtfProc null character input} testbytestring {
+    binary scan [testbytestring \xc0\x80] H* z
+    set z
+} 00
+test encoding-15.3.b {UtfToUtfProc null character input} testbytestring {
+    set y [encoding convertfrom utf-8 [encoding convertto utf-8 \u0000]]
+    binary scan [testbytestring $y] H* z
+    set z
+} 00
+test encoding-15.3.c {UtfToUtfProc null character input} {
     set y [encoding convertfrom utf-8 [encoding convertto utf-8 \u0000]]
-    binary scan [teststringbytes $y] H* z
+    binary scan [encoding convertto identity $y] H* z
     set z
 } c080
 test encoding-15.4 {UtfToUtfProc emoji character input} -body {