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1 files changed, 83 insertions, 0 deletions

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+# Commands covered:  case
+#
+# 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: @(#) case.test 1.13 96/02/16 08:55:41
+
+if {[string compare test [info procs test]] == 1} then {source defs}
+
+test case-1.1 {simple pattern} {
+    case a in a {format 1} b {format 2} c {format 3} default {format 4}
+} 1
+test case-1.2 {simple pattern} {
+    case b a {format 1} b {format 2} c {format 3} default {format 4}
+} 2
+test case-1.3 {simple pattern} {
+    case x in a {format 1} b {format 2} c {format 3} default {format 4}
+} 4
+test case-1.4 {simple pattern} {
+    case x a {format 1} b {format 2} c {format 3}
+} {}
+test case-1.5 {simple pattern matches many times} {
+    case b a {format 1} b {format 2} b {format 3} b {format 4}
+} 2
+test case-1.6 {fancier pattern} {
+    case cx a {format 1} *c {format 2} *x {format 3} default {format 4}
+} 3
+test case-1.7 {list of patterns} {
+    case abc in {a b c} {format 1} {def abc ghi} {format 2}
+} 2
+
+test case-2.1 {error in executed command} {
+    list [catch {case a in a {error "Just a test"} default {format 1}} msg] \
+	    $msg $errorInfo
+} {1 {Just a test} {Just a test
+    while executing
+"error "Just a test""
+    ("a" arm line 1)
+    invoked from within
+"case a in a {error "Just a test"} default {format 1}"}}
+test case-2.2 {error: not enough args} {
+    list [catch {case} msg] $msg
+} {1 {wrong # args: should be "case string ?in? patList body ... ?default body?"}}
+test case-2.3 {error: pattern with no body} {
+    list [catch {case a b} msg] $msg
+} {1 {extra case pattern with no body}}
+test case-2.4 {error: pattern with no body} {
+    list [catch {case a in b {format 1} c} msg] $msg
+} {1 {extra case pattern with no body}}
+test case-2.5 {error in default command} {
+    list [catch {case foo in a {error case1} default {error case2} \
+	    b {error case 3}} msg] $msg $errorInfo
+} {1 case2 {case2
+    while executing
+"error case2"
+    ("default" arm line 1)
+    invoked from within
+"case foo in a {error case1} default {error case2}  b {error case 3}"}}
+
+test case-3.1 {single-argument form for pattern/command pairs} {
+    case b in {
+	a {format 1}
+	b {format 2}
+	default {format 6}
+    }
+} {2}
+test case-3.2 {single-argument form for pattern/command pairs} {
+    case b {
+	a {format 1}
+	b {format 2}
+	default {format 6}
+    }
+} {2}
+test case-3.3 {single-argument form for pattern/command pairs} {
+    list [catch {case z in {a 2 b}} msg] $msg
+} {1 {extra case pattern with no body}}