} -match glob -result {couldn't read file "*_non_existent_": no such file or directory} \
	-errorCode {POSIX ENOENT {no such file or directory}}
test source-2.7 {utf-8 with BOM} -setup {
    set sourcefile [makeFile {} source.file]
} -body {
    set out [open $sourcefile w]
    fconfigure $out -encoding utf-8
    puts $out "\ufeffset y new-y"
    puts $out "\uFEFFset y new-y"
    close $out
    set y old-y
    source $sourcefile
    return $y
} -cleanup {
    removeFile $sourcefile
} -result {new-y}

} -cleanup {
    removeFile source.file
} -result {source: 3 4 5}

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]
    set sourcefile [makeFile [list set x "a b\x00c"] 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]
    set sourcefile [makeFile "set x ab\x1Ac" source.file]
} -body {
    set x {}
    source $sourcefile
    string length $x
} -cleanup {
    removeFile source.file
} -result 2

test source-7.1 {source -encoding test} -setup {
    set sourcefile [makeFile {} source.file]
    file delete $sourcefile
    set f [open $sourcefile w]
    fconfigure $f -encoding utf-8
    puts $f "set symbol(square-root) \u221A; set x correct"
    puts $f "set symbol(square-root) √; set x correct"
    close $f
} -body {
    set x unset
    source $sourcefile
    set x
} -cleanup {
    removeFile source.file
} -result correct
test source-7.2 {source -encoding test} -setup {
    # This tests for bad interactions between [source -encoding]
    # and use of the Control-Z character (\u001A) as a cross-platform
    # and use of the Control-Z character (\x1A) as a cross-platform
    # EOF character by [source].  Here we write out and the [source] a
    # file that contains the byte \x1A, although not the character \u001A in
    # file that contains the byte \x1A, although not the character \x1A in
    # the indicated encoding.
    set sourcefile [makeFile {} source.file]
    file delete $sourcefile
    set f [open $sourcefile w]
    fconfigure $f -encoding utf-16
    puts $f "set symbol(square-root) \u221A; set x correct"
    puts $f "set symbol(square-root) √; set x correct"
    close $f
} -body {
    set x unset
    source -encoding utf-16 $sourcefile
    set x
} -cleanup {
    removeFile source.file

    removeFile source.file
} -returnCodes 1 -match glob -result {unknown encoding*}
test source-7.5 {source -encoding: correct operation} -setup {
    set sourcefile [makeFile {} source.file]
    file delete $sourcefile
    set f [open $sourcefile w]
    fconfigure $f -encoding utf-8
    puts $f "proc \u20ac {} {return foo}"
    puts $f "proc € {} {return foo}"
    close $f
} -body {
    source $sourcefile
    \u20ac
    €
} -cleanup {
    removeFile source.file
    rename \u20ac {}
    rename € {}
} -result foo
test source-7.6 {source -encoding: mismatch encoding error} -setup {
    set sourcefile [makeFile {} source.file]
    file delete $sourcefile
    set f [open $sourcefile w]
    fconfigure $f -encoding utf-8
    puts $f "proc \u20ac {} {return foo}"
    puts $f "proc € {} {return foo}"
    close $f
} -body {
    source -encoding ascii $sourcefile
    \u20ac
    €
} -cleanup {
    removeFile source.file
} -returnCodes error -match glob -result {invalid command name*}

test source-8.1 {source and coroutine/yield} -setup {
    set sourcefile [makeFile {} source.file]
    file delete $sourcefile