1 files changed, 52 insertions, 0 deletions
diff --git a/tests/pid.test b/tests/pid.test
new file mode 100644
index 0000000..1f6e039
--- /dev/null
+++ b/tests/pid.test
@@ -0,0 +1,52 @@
+# Commands covered:  pid
+#
+# This file contains a collection of tests for one or more of the Tcl
+# built-in commands.  Sourcing this file into Tcl runs the tests and
+# generates output for errors.  No output means no errors were found.
+#
+# Copyright (c) 1991-1993 The Regents of the University of California.
+# Copyright (c) 1994-1995 Sun Microsystems, Inc.
+#
+# See the file "license.terms" for information on usage and redistribution
+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+#
+# SCCS: @(#) pid.test 1.12 96/04/12 11:14:43
+
+# If pid is not defined just return with no error
+# Some platforms may not have the pid command implemented
+if {[info commands pid] == ""} {
+    puts "pid is not implemented for this machine"
+    return
+}
+
+if {[string compare test [info procs test]] == 1} then {source defs}
+
+catch {removeFile test1}
+
+test pid-1.1 {pid command} {
+    regexp {(^[0-9]+$)|(^0x[0-9a-fA-F]+$)} [pid]
+} 1
+test pid-1.2 {pid command} {unixOrPc unixExecs} {
+    set f [open {| echo foo | cat >test1} w]
+    set pids [pid $f]
+    close $f
+    catch {removeFile test1}
+    list [llength $pids] [regexp {^[0-9]+$} [lindex $pids 0]] \
+       [regexp {^[0-9]+$} [lindex $pids 1]] \
+       [expr {[lindex $pids 0] == [lindex $pids 1]}]
+} {2 1 1 0}
+test pid-1.3 {pid command} {
+    set f [open test1 w]
+    set pids [pid $f]
+    close $f
+    set pids
+} {}
+test pid-1.4 {pid command} {
+    list [catch {pid a b} msg] $msg
+} {1 {wrong # args: should be "pid ?channelId?"}}
+test pid-1.5 {pid command} {
+    list [catch {pid gorp} msg] $msg
+} {1 {can not find channel named "gorp"}}
+
+catch {removeFile test1}
+concat {}