1 files changed, 109 insertions, 0 deletions
diff --git a/tests/uplevel.test b/tests/uplevel.test
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+# Commands covered:  uplevel
+#
+# 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 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: @(#) uplevel.test 1.13 96/02/16 08:56:35
+
+if {[string compare test [info procs test]] == 1} then {source defs}
+
+proc a {x y} {
+    newset z [expr $x+$y]
+    return $z
+}
+proc newset {name value} {
+    uplevel set $name $value
+    uplevel 1 {uplevel 1 {set xyz 22}}
+}
+
+test uplevel-1.1 {simple operation} {
+    set xyz 0
+    a 22 33
+} 55
+test uplevel-1.2 {command is another uplevel command} {
+    set xyz 0
+    a 22 33
+    set xyz
+} 22
+
+proc a1 {} {
+    b1
+    global a a1
+    set a $x
+    set a1 $y
+}
+proc b1 {} {
+    c1
+    global b b1
+    set b $x
+    set b1 $y
+}
+proc c1 {} {
+    uplevel 1 set x 111
+    uplevel #2 set y 222
+    uplevel 2 set x 333
+    uplevel #1 set y 444
+    uplevel 3 set x 555
+    uplevel #0 set y 666
+}
+a1
+test uplevel-2.1 {relative and absolute uplevel} {set a} 333
+test uplevel-2.2 {relative and absolute uplevel} {set a1} 444
+test uplevel-2.3 {relative and absolute uplevel} {set b} 111
+test uplevel-2.4 {relative and absolute uplevel} {set b1} 222
+test uplevel-2.5 {relative and absolute uplevel} {set x} 555
+test uplevel-2.6 {relative and absolute uplevel} {set y} 666
+
+test uplevel-3.1 {uplevel to same level} {
+    set x 33
+    uplevel #0 set x 44
+    set x
+} 44
+test uplevel-3.2 {uplevel to same level} {
+    set x 33
+    uplevel 0 set x
+} 33
+test uplevel-3.3 {uplevel to same level} {
+    set y xxx
+    proc a1 {} {set y 55; uplevel 0 set y 66; return $y}
+    a1
+} 66
+test uplevel-3.4 {uplevel to same level} {
+    set y zzz
+    proc a1 {} {set y 55; uplevel #1 set y}
+    a1
+} 55
+
+test uplevel-4.1 {error: non-existent level} {
+    list [catch c1 msg] $msg
+} {1 {bad level "#2"}}
+test uplevel-4.2 {error: non-existent level} {
+    proc c2 {} {uplevel 3 {set a b}}
+    list [catch c2 msg] $msg
+} {1 {bad level "3"}}
+test uplevel-4.3 {error: not enough args} {
+    list [catch uplevel msg] $msg
+} {1 {wrong # args: should be "uplevel ?level? command ?arg ...?"}}
+test uplevel-4.4 {error: not enough args} {
+    proc upBug {} {uplevel 1}
+    list [catch upBug msg] $msg
+} {1 {wrong # args: should be "uplevel ?level? command ?arg ...?"}}
+
+proc a2 {} {
+    uplevel a3
+}
+proc a3 {} {
+    global x y
+    set x [info level]
+    set y [info level 1]
+}
+a2
+test uplevel-5.1 {info level} {set x} 1
+test uplevel-5.2 {info level} {set y} a3