# 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