- # Commands covered: error, catch
- #
- # 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) 1994-1996 Sun Microsystems, Inc.
- # Copyright (c) 1998-1999 by Scriptics Corporation.
- #
- # See the file "license.terms" for information on usage and redistribution
- # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- #
- # RCS: @(#) $Id: error.test,v 1.9.2.3 2006/01/11 17:29:46 dgp Exp $
- if {[lsearch [namespace children] ::tcltest] == -1} {
- package require tcltest 2
- namespace import -force ::tcltest::*
- }
- proc foo {} {
- global errorInfo
- set a [catch {format [error glorp2]} b]
- error {Human-generated}
- }
- proc foo2 {} {
- global errorInfo
- set a [catch {format [error glorp2]} b]
- error {Human-generated} $errorInfo
- }
- # Catch errors occurring in commands and errors from "error" command
- test error-1.1 {simple errors from commands} {
- catch {format [string index]} b
- } 1
- test error-1.2 {simple errors from commands} {
- catch {format [string index]} b
- set b
- } {wrong # args: should be "string index string charIndex"}
- test error-1.3 {simple errors from commands} {
- catch {format [string index]} b
- set errorInfo
- # this used to return '... while executing ...', but
- # string index is fully compiled as of 8.4a3
- } {wrong # args: should be "string index string charIndex"
- while executing
- "string index"}
- test error-1.4 {simple errors from commands} {
- catch {error glorp} b
- } 1
- test error-1.5 {simple errors from commands} {
- catch {error glorp} b
- set b
- } glorp
- test error-1.6 {simple errors from commands} {
- catch {catch a b c} b
- } 1
- test error-1.7 {simple errors from commands} {
- catch {catch a b c} b
- set b
- } {wrong # args: should be "catch command ?varName?"}
- test error-1.8 {simple errors from commands} {nonPortable} {
- # This test is non-portable: it generates a memory fault on
- # machines like DEC Alphas (infinite recursion overflows
- # stack?)
- proc p {} {
- uplevel 1 catch p error
- }
- p
- } 0
- # Check errors nested in procedures. Also check the optional argument
- # to "error" to generate a new error trace.
- test error-2.1 {errors in nested procedures} {
- catch foo b
- } 1
- test error-2.2 {errors in nested procedures} {
- catch foo b
- set b
- } {Human-generated}
- test error-2.3 {errors in nested procedures} {
- catch foo b
- set errorInfo
- } {Human-generated
- while executing
- "error {Human-generated}"
- (procedure "foo" line 4)
- invoked from within
- "foo"}
- test error-2.4 {errors in nested procedures} {
- catch foo2 b
- } 1
- test error-2.5 {errors in nested procedures} {
- catch foo2 b
- set b
- } {Human-generated}
- test error-2.6 {errors in nested procedures} {
- catch foo2 b
- set errorInfo
- } {glorp2
- while executing
- "error glorp2"
- (procedure "foo2" line 3)
- invoked from within
- "foo2"}
- # Error conditions related to "catch".
- test error-3.1 {errors in catch command} {
- list [catch {catch} msg] $msg
- } {1 {wrong # args: should be "catch command ?varName?"}}
- test error-3.2 {errors in catch command} {
- list [catch {catch a b c} msg] $msg
- } {1 {wrong # args: should be "catch command ?varName?"}}
- test error-3.3 {errors in catch command} {
- catch {unset a}
- set a(0) 22
- list [catch {catch {format 44} a} msg] $msg
- } {1 {couldn't save command result in variable}}
- catch {unset a}
- # More tests related to errorInfo and errorCode
- test error-4.1 {errorInfo and errorCode variables} {
- list [catch {error msg1 msg2 msg3} msg] $msg $errorInfo $errorCode
- } {1 msg1 msg2 msg3}
- test error-4.2 {errorInfo and errorCode variables} {
- list [catch {error msg1 {} msg3} msg] $msg $errorInfo $errorCode
- } {1 msg1 {msg1
- while executing
- "error msg1 {} msg3"} msg3}
- test error-4.3 {errorInfo and errorCode variables} {
- list [catch {error msg1 {}} msg] $msg $errorInfo $errorCode
- } {1 msg1 {msg1
- while executing
- "error msg1 {}"} NONE}
- test error-4.4 {errorInfo and errorCode variables} {
- set errorCode bogus
- list [catch {error msg1} msg] $msg $errorInfo $errorCode
- } {1 msg1 {msg1
- while executing
- "error msg1"} NONE}
- test error-4.5 {errorInfo and errorCode variables} {
- set errorCode bogus
- list [catch {error msg1 msg2 {}} msg] $msg $errorInfo $errorCode
- } {1 msg1 msg2 {}}
- # Errors in error command itself
- test error-5.1 {errors in error command} {
- list [catch {error} msg] $msg
- } {1 {wrong # args: should be "error message ?errorInfo? ?errorCode?"}}
- test error-5.2 {errors in error command} {
- list [catch {error a b c d} msg] $msg
- } {1 {wrong # args: should be "error message ?errorInfo? ?errorCode?"}}
- # Make sure that catch resets error information
- test error-6.1 {catch must reset error state} {
- catch {error outer [catch {error inner inner.errorInfo inner.errorCode}]}
- list $errorCode $errorInfo
- } {NONE 1}
- test error-6.3 {catch must reset error state} {
- set errorCode BUG
- catch {error outer [catch set]}
- list $errorCode $errorInfo
- } {NONE 1}
- test error-6.4 {catch must reset error state} {
- catch {error [catch {error foo bar baz}] 1}
- list $errorCode $errorInfo
- } {NONE 1}
- test error-6.7 {catch must reset error state} {
- proc foo {} {
- return -code error -errorinfo [catch {error foo bar baz}]
- }
- catch foo
- list $errorCode
- } {NONE}
- test error-6.9 {catch must reset error state} {
- proc foo {} {
- return -code error [catch {error foo bar baz}]
- }
- catch foo
- list $errorCode
- } {NONE}
- namespace eval ::tcl::test::error {
- test error-7.0 {Bug 1397843} -body {
- variable cmds
- proc EIWrite args {
- variable cmds
- lappend cmds [lindex [info level -2] 0]
- }
- proc BadProc {} {
- set i a
- incr i
- }
- trace add variable ::errorInfo write [namespace code EIWrite]
- catch BadProc
- trace remove variable ::errorInfo write [namespace code EIWrite]
- set cmds
- } -match glob -result {*BadProc*}
- }
- namespace delete ::tcl::test::error
- # cleanup
- catch {rename p ""}
- ::tcltest::cleanupTests
- return