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-rw-r--r--tests/compExpr.test36
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/compExpr.test b/tests/compExpr.test
index 35d7588..4ef155b 100644
--- a/tests/compExpr.test
+++ b/tests/compExpr.test
@@ -371,10 +371,46 @@ test compExpr-7.2 {[Bug 1869989]: expr parser memleak} -constraints memory -setu
unset end i tmp
rename getbytes {}
} -result 0
+
+proc extract {opcodes descriptor} {
+ set instructions [dict values [dict get $descriptor instructions]]
+ return [lmap i $instructions {
+ if {[lindex $i 0] in $opcodes} {string cat $i} else continue
+ }]
+}
+
+test compExpr-8.1 {TIP 582: expression comments} -setup {} -body {
+ extract {loadStk add} [tcl::unsupported::getbytecode script {expr {
+ $abc
+ # + $def
+ + $ghi
+ }}]
+} -result {loadStk loadStk add}
+test compExpr-8.2 {TIP 582: expression comments} -setup {} -body {
+ extract {loadStk add} [tcl::unsupported::getbytecode script {expr {
+ $abc
+ # + $def
+ # + $ghi }}]
+} -result loadStk
+test compExpr-8.3 {TIP 582: expression comments} -setup {} -body {
+ extract {loadStk add} [tcl::unsupported::getbytecode script {expr {
+ $abc
+ # + $def\
+ + $ghi
+ }}]
+} -result loadStk
+test compExpr-8.4 {TIP 582: expression comments} -setup {} -body {
+ extract {loadStk add} [tcl::unsupported::getbytecode script {expr {
+ $abc
+ # + $def\\
+ + $ghi
+ }}]
+} -result {loadStk loadStk add}
# cleanup
catch {unset a}
catch {unset b}
+catch {rename extract ""}
::tcltest::cleanupTests
return