(cherry-pick) relax the timings of 2 tests, which incidentally fail on Travis CI.

Also backport a few new test-cases, adapted to match pre-TIP-502 behavior.

3 files changed, 21 insertions, 3 deletions

diff --git a/tests/event.test b/tests/event.test
index 4996b97..9c5e569 100644
--- a/tests/event.test
+++ b/tests/event.test
@@ -504,7 +504,7 @@ test event-11.4 {Tcl_VwaitCmd procedure} {} {
     after 10; update; # On Mac make sure update won't take long
     after 100 {set x x-done}
     after 200 {set y y-done}
-    after 300 {set z z-done}
+    after 400 {set z z-done}
     after idle {set q q-done}
     set x before
     set y before
diff --git a/tests/string.test b/tests/string.test
index f3bb366..9a5e0c0 100644
--- a/tests/string.test
+++ b/tests/string.test
@@ -218,6 +218,24 @@ test string-4.15 {string first, ability to two-byte encoded utf-8 chars} {
     set uchar \u057e    ;# character with two-byte encoding in utf-8
     string first % %#$uchar$uchar#$uchar$uchar#% 3
 } 8
+test string-4.17 {string first, corner case} {
+    string first a aaa 4294967295
+} {0}
+test string-4.18 {string first, corner case} {
+    string first a aaa -1
+} {0}
+test string-4.19 {string first, corner case} {
+    string first a aaa end-5
+} {0}
+test string-4.20 {string last, corner case} {
+    string last a aaa 4294967295
+} {-1}
+test string-4.21 {string last, corner case} {
+    string last a aaa -1
+} {-1}
+test string-4.22 {string last, corner case} {
+    string last a aaa end-5
+} {-1}
 
 test string-5.1 {string index} {
     list [catch {string index} msg] $msg
diff --git a/tests/timer.test b/tests/timer.test
index db508e5..53044b5 100644
--- a/tests/timer.test
+++ b/tests/timer.test
@@ -191,11 +191,11 @@ test timer-6.4 {Tcl_AfterCmd procedure, ms argument} {
 } {before after}
 test timer-6.5 {Tcl_AfterCmd procedure, ms argument} {
     set x before
-    after 300 set x after
+    after 400 set x after
     after 200
     update
     set y $x
-    after 200
+    after 400
     update
     list $y $x
 } {before after}