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authorTanaka Akira <akr@users.sourceforge.net>2000-01-07 22:31:15 +0000
committerTanaka Akira <akr@users.sourceforge.net>2000-01-07 22:31:15 +0000
commit1719ffeef5a15d717e461b732925f9cb2e69f984 (patch)
treebe8be36b3f92b02825058115a0c86995a298f802
parentecb3f734a7c5a801bf02e8b694d462c004abce03 (diff)
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Initial revision
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+# Tests for both trap builtin and TRAP* functions.
+
+%prep
+
+ setopt localtraps
+ mkdir traps.tmp && cd traps.tmp
+
+%test
+
+ fn1() {
+ trap 'print EXIT1' EXIT
+ fn2() { trap 'print EXIT2' EXIT; }
+ fn2
+ }
+ fn1
+0:Nested `trap ... EXIT'
+>EXIT2
+>EXIT1
+
+ fn1() {
+ TRAPEXIT() { print EXIT1; }
+ fn2() { TRAPEXIT() { print EXIT2; }; }
+ fn2
+ }
+ fn1
+0: Nested TRAPEXIT
+>EXIT2
+>EXIT1
+
+ fn1() {
+ trap 'print EXIT1' EXIT
+ fn2() { trap - EXIT; }
+ fn2
+ }
+ fn1
+0:Nested `trap - EXIT' on `trap ... EXIT'
+>EXIT1
+
+ fn1() {
+ TRAPEXIT() { print EXIT1; }
+ fn2() { trap - EXIT; }
+ fn2
+ }
+ fn1
+0:Nested `trap - EXIT' on `TRAPEXIT'
+>EXIT1
+
+ fn1() {
+ trap
+ trap 'print INT1' INT
+ fn2() { trap 'print INT2' INT; trap; }
+ trap
+ fn2
+ trap
+ }
+ fn1
+0: Nested `trap ... INT', not triggered
+>trap -- 'print INT1' INT
+>trap -- 'print INT2' INT
+>trap -- 'print INT1' INT
+
+ fn1() {
+ trap
+ TRAPINT() { print INT1; }
+ fn2() { TRAPINT() { print INT2; }; trap; }
+ trap
+ fn2
+ trap
+ }
+ fn1
+0: Nested `trap ... INT', not triggered
+>TRAPINT () {
+> print INT1
+>}
+>TRAPINT () {
+> print INT2
+>}
+>TRAPINT () {
+> print INT1
+>}
+
+ fn1() {
+ trap 'print INT1' INT
+ fn2() { trap - INT; trap; }
+ trap
+ fn2
+ trap
+ }
+ fn1
+0: Nested `trap - INT' on untriggered `trap ... INT'
+>trap -- 'print INT1' INT
+>trap -- 'print INT1' INT
+
+# Testing the triggering of traps here is very unpleasant.
+# The delays are attempts to avoid race conditions, though there is
+# no guarantee that they will work. Note the subtlety that the
+# `sleep' in the function which receives the trap does *not* get the
+# signal, only the parent shell, which is waiting for a SIGCHILD.
+# (At least, that's what I think is happening.) Thus we have to wait at
+# least the full two seconds to make sure we have got the output from the
+# execution of the trap.
+
+ print 'This test takes at least three seconds...' >&8
+ fn1() {
+ trap 'print TERM1' TERM
+ fn2() { trap 'print TERM2; return 1' TERM; sleep 2; }
+ fn2 &
+ sleep 1
+ kill -TERM $!
+ sleep 2
+ }
+ fn1
+0: Nested `trap ... TERM', triggered on inner loop
+>TERM2
+
+ print 'This test, too, takes at least three seconds...' >&8
+ fn1() {
+ trap 'print TERM1; return 1' TERM
+ fn2() { trap 'print TERM2; return 1' TERM; }
+ fn2
+ sleep 2
+ }
+ fn1 &
+ sleep 1
+ kill -TERM $!
+ sleep 2
+0: Nested `trap ... TERM', triggered on outer loop
+>TERM1