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-rw-r--r--MANIFEST1
-rw-r--r--t/base/translate.t27
2 files changed, 28 insertions, 0 deletions
diff --git a/MANIFEST b/MANIFEST
index d7da8c45ab..3291137c1f 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -4917,6 +4917,7 @@ t/base/num.t See if numbers work
t/base/pat.t See if pattern matching works
t/base/rs.t See if record-read works
t/base/term.t See if various terms work
+t/base/translate.t See if character set translation works
t/base/while.t See if while work
t/benchmark/rt26188-speed-up-keys-on-empty-hash.t Benchmark if keys on empty hashes is fast enough
t/bigmem/index.t Check that index() handles large offsets
diff --git a/t/base/translate.t b/t/base/translate.t
new file mode 100644
index 0000000000..614f22c9c6
--- /dev/null
+++ b/t/base/translate.t
@@ -0,0 +1,27 @@
+#!./perl
+
+# Verify round trip of translations from the native character set to unicode
+# and back work. If this is wrong, nothing will be reliable.
+
+print "1..257\n"; # 0-255 plus one beyond
+
+for my $i (0 .. 255) {
+ my $uni = utf8::native_to_unicode($i);
+ if ($uni < 0 || $uni >= 256) {
+ print "not ";
+ }
+ elsif (utf8::unicode_to_native(utf8::native_to_unicode($i)) != $i) {
+ print "not ";
+ }
+ print "ok ";
+ print $i + 1;
+ print "\n";
+}
+
+# Choose a largish number that might cause a seg fault if inappropriate array
+# lookup
+if (utf8::unicode_to_native(utf8::native_to_unicode(100000)) != 100000) {
+ print "not ";
+}
+print "ok ";
+print "257\n";