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# Commands covered:  source
#
# 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) 1998-2000 by Scriptics Corporation.
# Contributions from Don Porter, NIST, 2003.  (not subject to US copyright)
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.

if {[catch {package require tcltest 2.1}]} {
    puts stderr "Skipping tests in [info script]. tcltest 2.1 required."
    return
}

namespace eval ::tcl::test::source {
    namespace import ::tcltest::test
    namespace import ::tcltest::testConstraint
    namespace import ::tcltest::cleanupTests
    namespace import ::tcltest::makeFile
    namespace import ::tcltest::removeFile
    namespace import ::tcltest::customMatch

test source-1.1 {source command} -setup {
    set x "old x value"
    set y "old y value"
    set z "old z value"
    set sourcefile [makeFile {
	set x 22
	set y 33
	set z 44
    } source.file]
} -body {
    source $sourcefile
    list $x $y $z
} -cleanup {
    removeFile source.file
} -result {22 33 44}

test source-1.2 {source command} -setup {
    set sourcefile [makeFile {list result} source.file]
} -body {
    source $sourcefile
} -cleanup {
    removeFile source.file
} -result result

test source-1.3 {source command} -setup {
    set sourcefile [makeFile {} source.file]
    set fd [open $sourcefile w]
    fconfigure $fd -translation lf
    puts $fd "list a b c \\"
    puts $fd "d e f"
    close $fd
} -body {
    source $sourcefile
} -cleanup {
    removeFile source.file
} -result {a b c d e f}

proc ListGlobMatch {expected actual} {
    if {[llength $expected] != [llength $actual]} {
        return 0
    }
    foreach e $expected a $actual {
        if {![string match $e $a]} {
            return 0
        }
    }
    return 1
}
customMatch listGlob [namespace which ListGlobMatch]

test source-2.3 {source error conditions} -setup {
    set sourcefile [makeFile {
	set x 146
	error "error in sourced file"
	set y $x
    } source.file]
} -body {
    list [catch {source $sourcefile} msg] $msg $::errorInfo
} -cleanup {
    removeFile source.file
} -match listGlob -result [list 1 {error in sourced file} \
	{error in sourced file
    while executing
"error "error in sourced file""
    (file "*source.file" line 3)
    invoked from within
"source $sourcefile"}]

test source-2.4 {source error conditions} -setup {
    set sourcefile [makeFile {break} source.file]
} -body {
    source $sourcefile
} -cleanup {
    removeFile source.file
} -returnCodes break

test source-2.5 {source error conditions} -setup {
    set sourcefile [makeFile {continue} source.file]
} -body {
    source $sourcefile
} -cleanup {
    removeFile source.file
} -returnCodes continue

test source-2.6 {source error conditions} -setup {
    set sourcefile [makeFile {} _non_existent_]
    removeFile _non_existent_
} -body {
    list [catch {source $sourcefile} msg] $msg $::errorCode
} -match listGlob -result [list 1 \
	{couldn't read file "*_non_existent_": no such file or directory} \
	{POSIX ENOENT {no such file or directory}}]

test source-2.7 {utf-8 with BOM} -setup {
    set sourcefile [makeFile {} source.file]
    set saveencoding [encoding system]
} -body {
    encoding system utf-8
    set out [open $sourcefile w]
    puts $out "\ufeffset y new-y"
    close $out
    set y old-y
    source $sourcefile
    return $y
} -cleanup {
    removeFile $sourcefile
    encoding system $saveencoding
} -result {new-y}

test source-3.1 {return in middle of source file} -setup {
    set sourcefile [makeFile {
	set x new-x
	return allDone
	set y new-y
    } source.file]
} -body {
    set x old-x
    set y old-y
    set z [source $sourcefile]
    list $x $y $z
} -cleanup {
    removeFile source.file
} -result {new-x old-y allDone}

test source-3.2 {return with special code etc.} -setup {
    set sourcefile [makeFile {
	set x new-x
	return -code break "Silly result"
	set y new-y
    } source.file]
} -body {
   source $sourcefile
} -cleanup {
    removeFile source.file
} -returnCodes break -result {Silly result}

test source-3.3 {return with special code etc.} -setup {
    set sourcefile [makeFile {
	set x new-x
	return -code error "Simulated error"
	set y new-y
    } source.file]
} -body {
    list [catch {source $sourcefile} msg] $msg $::errorInfo $::errorCode
} -cleanup {
    removeFile source.file
} -result {1 {Simulated error} {Simulated error
    while executing
"source $sourcefile"} NONE}

test source-3.4 {return with special code etc.} -setup {
    set sourcefile [makeFile {
	set x new-x
	return -code error -errorinfo "Simulated errorInfo stuff"
	set y new-y
    } source.file]
} -body {
    list [catch {source $sourcefile} msg] $msg $::errorInfo $::errorCode
} -cleanup {
    removeFile source.file
} -result {1 {} {Simulated errorInfo stuff
    invoked from within
"source $sourcefile"} NONE}

test source-3.5 {return with special code etc.} -setup {
    set sourcefile [makeFile {
	set x new-x
	return -code error -errorinfo "Simulated errorInfo stuff" \
		-errorcode {a b c}
	set y new-y
    } source.file]
} -body {
    list [catch {source $sourcefile} msg] $msg $::errorInfo $::errorCode
} -cleanup {
    removeFile source.file
} -result {1 {} {Simulated errorInfo stuff
    invoked from within
"source $sourcefile"} {a b c}}

test source-6.1 {source is binary ok} -setup {
    # Note [makeFile] writes in the system encoding.
    # [source] defaults to reading in the system encoding.
    set sourcefile [makeFile [list set x "a b\0c"] source.file]
} -body {
    set x {}
    source $sourcefile
    string length $x
} -cleanup {
    removeFile source.file
} -result 5

test source-6.2 {source skips everything after Ctrl-Z: Bug 2040} -setup {
    set sourcefile [makeFile "set x ab\32c" source.file]
} -body {
    set x {}
    source $sourcefile
    string length $x
} -cleanup {
    removeFile source.file
} -result 2

cleanupTests
}
namespace delete ::tcl::test::source
return