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-rw-r--r--tests/string.test4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/string.test b/tests/string.test
index bbba5eb..53f1cfb 100644
--- a/tests/string.test
+++ b/tests/string.test
@@ -24,6 +24,7 @@ catch [list package require -exact Tcltest [info patchlevel]]
testConstraint testobj [expr {[info commands testobj] != {}}]
testConstraint testindexobj [expr {[info commands testindexobj] != {}}]
+testConstraint fullutf [expr {[format %c 0x010000] != "\ufffd"}]
# Used for constraining memory leak tests
testConstraint memory [llength [info commands memory]]
@@ -1276,6 +1277,9 @@ test string-12.22 {string range, shimmering binary/index} {
binary scan $s a* x
string range $s $s end
} 000000001
+test string-12.23 {string range, surrogates, bug [11ae2be95dac9417]} fullutf {
+ list [string range a\U100000b 1 1] [string range a\U100000b 2 2] [string range a\U100000b 3 3]
+} [list \U100000 {} b]
test string-13.1 {string repeat} {
list [catch {string repeat} msg] $msg