main.test

tcl是工具命令语言

# This file contains a collection of tests for generic/tclMain.c.
#
# RCS: @(#) $Id$

if {[catch {package require tcltest 2.0.2}]} {
    puts stderr "Skipping tests in [info script]. tcltest 2.0.2 required."
    return
}

namespace eval ::tcl::test::main {

    namespace import ::tcltest::test
    namespace import ::tcltest::testConstraint
    namespace import ::tcltest::interpreter
    namespace import ::tcltest::cleanupTests
    namespace import ::tcltest::makeFile
    namespace import ::tcltest::removeFile
    namespace import ::tcltest::temporaryDirectory
    namespace import ::tcltest::workingDirectory

    # Is [exec] defined?
    testConstraint exec [llength [info commands exec]]

    # Is the Tcltest package loaded?
    #	- that is, the special C-coded testing commands in tclTest.c
    #   - tests use testing commands introduced in Tcltest 8.4
    testConstraint Tcltest [expr {
	[llength [package provide Tcltest]]
	&& [package vsatisfies [package provide Tcltest] 8.4]}]

    # Procedure to simulate interactive typing of commands, line by line
    proc type {chan script} {
	foreach line [split $script \n] {
	    if {[catch {
	        puts $chan $line
	        flush $chan
	    }]} {
		return
	    }
	    # Grrr... Behavior depends on this value.
	    after 1000
	}
    }

    cd [temporaryDirectory]
    # Tests Tcl_Main-1.*: variable initializations

    test Tcl_Main-1.1 {
	Tcl_Main: startup script - normal
    } -constraints {
	stdio
    } -setup {
	makeFile {puts [list $argv0 $argv $tcl_interactive]} script
	catch {set f [open "|[list [interpreter] script]" r]}
    } -body {
	read $f
    } -cleanup {
	close $f
	removeFile script
    } -result [list script {} 0]\n

    test Tcl_Main-1.2 {
	Tcl_Main: startup script - can't begin with '-'
    } -constraints {
	stdio
    } -setup {
	makeFile {puts [list $argv0 $argv $tcl_interactive]} -script
	catch {set f [open "|[list [interpreter] -script]" w+]}
    } -body {
	puts $f {puts [list $argv0 $argv $tcl_interactive]; exit}
	flush $f
	read $f
    } -cleanup {
	close $f
	removeFile -script
    } -result [list [interpreter] -script 0]\n

    test Tcl_Main-1.3 {
	Tcl_Main: encoding of arguments: done by system encoding
	Note the shortcoming explained in Tcl Feature Request 491789
    } -constraints {
	stdio
    } -setup {
	makeFile {puts [list $argv0 $argv $tcl_interactive]} script
	catch {set f [open "|[list [interpreter] script \u00c0]" r]}
    } -body {
	read $f
    } -cleanup {
	close $f
	removeFile script
    } -result [list script [list [encoding convertfrom [encoding system] \
	[encoding convertto [encoding system] \u00c0]]] 0]\n

    test Tcl_Main-1.4 {
	Tcl_Main: encoding of arguments: done by system encoding
	Note the shortcoming explained in Tcl Feature Request 491789
    } -constraints {
	stdio tempNotWin
    } -setup {
	makeFile {puts [list $argv0 $argv $tcl_interactive]} script
	catch {set f [open "|[list [interpreter] script \u20ac]" r]}
    } -body {
	read $f
    } -cleanup {
	close $f
	removeFile script
    } -result [list script [list [encoding convertfrom [encoding system] \
	[encoding convertto [encoding system] \u20ac]]] 0]\n

    test Tcl_Main-1.5 {
	Tcl_Main: encoding of script name: system encoding loss
	Note the shortcoming explained in Tcl Feature Request 491789
    } -constraints {
	stdio
    } -setup {
	makeFile {puts [list $argv0 $argv $tcl_interactive]} \u00c0
	catch {set f [open "|[list [interpreter] \u00c0]" r]}
    } -body {
	read $f
    } -cleanup {
	close $f
	removeFile \u00c0
    } -result [list [list [encoding convertfrom [encoding system] \
	[encoding convertto [encoding system] \u00c0]]] {} 0]\n

    test Tcl_Main-1.6 {
	Tcl_Main: encoding of script name: system encoding loss
	Note the shortcoming explained in Tcl Feature Request 491789
    } -constraints {
	stdio tempNotWin
    } -setup {
	makeFile {puts [list $argv0 $argv $tcl_interactive]} \u20ac
	catch {set f [open "|[list [interpreter] \u20ac]" r]}
    } -body {
	read $f
    } -cleanup {
	close $f
	removeFile \u20ac
    } -result [list [list [encoding convertfrom [encoding system] \
	[encoding convertto [encoding system] \u20ac]]] {} 0]\n

    # Tests Tcl_Main-2.*: application-initialization procedure

    test Tcl_Main-2.1 {
	Tcl_Main: appInitProc returns error
    } -constraints {
	exec Tcltest
    } -setup {
	makeFile {puts "In script"} script
    } -body {
	exec [interpreter] script -appinitprocerror >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result "application-specific initialization failed: \nIn script\n"

    test Tcl_Main-2.2 {
	Tcl_Main: appInitProc returns error
    } -constraints {
	exec Tcltest
    } -body {
	exec [interpreter] << {puts "In script"} -appinitprocerror >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
    } -result "application-specific initialization failed: \nIn script\n"

    test Tcl_Main-2.3 {
	Tcl_Main: appInitProc deletes interp
    } -constraints {
	exec Tcltest
    } -setup {
	makeFile {puts "In script"} script
    } -body {
	exec [interpreter] script -appinitprocdeleteinterp >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result "application-specific initialization failed: \n"

    test Tcl_Main-2.4 {
	Tcl_Main: appInitProc deletes interp
    } -constraints {
	exec Tcltest
    } -body {
	exec [interpreter] << {puts "In script"} \
		-appinitprocdeleteinterp >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
    } -result "application-specific initialization failed: \n"

    test Tcl_Main-2.5 {
	Tcl_Main: appInitProc closes stderr
    } -constraints {
	exec Tcltest
    } -body {
	exec [interpreter] << {puts "In script"} \
		-appinitprocclosestderr >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
    } -result "In script\n"

    # Tests Tcl_Main-3.*: startup script evaluation

    test Tcl_Main-3.1 {
	Tcl_Main: startup script does not exist
    } -constraints {
	exec
    } -setup {
	if {[file exists no-such-file]} {
	    error "Can't run test Tcl_Main-3.1\
		    where a file named \"no-such-file\" exists"
	}
    } -body {
	set code [catch {exec [interpreter] no-such-file >& result} result]
	set f [open result]
	list $code $result [read $f]
    } -cleanup {
	close $f
	file delete result
    } -match glob -result [list 1 {child process exited abnormally} \
	{couldn't read file "no-such-file":*}]

    test Tcl_Main-3.2 {
	Tcl_Main: startup script raises error
    } -constraints {
	exec
    } -setup {
	makeFile {error ERROR} script
    } -body {
	set code [catch {exec [interpreter] script >& result} result]
	set f [open result]
	list $code $result [read $f]
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -match glob -result [list 1 {child process exited abnormally} \
	"ERROR\n    while executing*"]

    test Tcl_Main-3.3 {
	Tcl_Main: startup script closes stderr
    } -constraints {
	exec
    } -setup {
	makeFile {close stderr; error ERROR} script
    } -body {
	set code [catch {exec [interpreter] script >& result} result]
	set f [open result]
	list $code $result [read $f]
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result [list 1 {child process exited abnormally} {}]

    test Tcl_Main-3.4 {
	Tcl_Main: startup script holds incomplete script
    } -constraints {
	exec
    } -setup {
	makeFile "if 1 \{" script
    } -body {
	set code [catch {exec [interpreter] script >& result} result]
	set f [open result]
	join [list $code $result [read $f]] \n
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -match glob -result [join [list 1 {child process exited abnormally}\
	"missing close-brace\n    while executing*"] \n]

    test Tcl_Main-3.5 {
	Tcl_Main: startup script sets main loop
    } -constraints {
	exec Tcltest
    } -setup {
	makeFile {
		rename exit _exit
		proc exit {code} {
		    puts "In exit"
		    _exit $code
		}
		after 0 {
			puts event
			testexitmainloop
		}
		testexithandler create 0
		testsetmainloop
	} script
    } -body {
	exec [interpreter] script >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result "event\nExit MainLoop\nIn exit\neven 0\n"

    test Tcl_Main-3.6 {
	Tcl_Main: startup script sets main loop and closes stdin
    } -constraints {
	exec Tcltest
    } -setup {
	makeFile {
		close stdin
		testsetmainloop
		rename exit _exit
		proc exit {code} {
		    puts "In exit"
		    _exit $code
		}
		after 0 {
			puts event
			testexitmainloop
		}
		testexithandler create 0
	} script
    } -body {
	exec [interpreter] script >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result "event\nExit MainLoop\nIn exit\neven 0\n"

    test Tcl_Main-3.7 {
	Tcl_Main: startup script deletes interp
    } -constraints {
	exec Tcltest
    } -setup {
	makeFile {
		rename exit _exit
		proc exit {code} {
		    puts "In exit"
		    _exit $code
		}
		testexithandler create 0
		testinterpdelete {}
	} script
    } -body {
	exec [interpreter] script >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result "even 0\n"

    test Tcl_Main-3.8 {
	Tcl_Main: startup script deletes interp and sets mainloop
    } -constraints {
	exec Tcltest
    } -setup {
	makeFile {
		testsetmainloop
		rename exit _exit
		proc exit {code} {
		    puts "In exit"
		    _exit $code
		}
		testexitmainloop
		testexithandler create 0
		testinterpdelete {}
	} script
    } -body {
	exec [interpreter] script >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result "Exit MainLoop\neven 0\n"

    test Tcl_Main-3.9 {
	Tcl_Main: startup script can set tcl_interactive without limit
    } -constraints {
	exec
    } -setup {
	makeFile {set tcl_interactive foo} script
    } -body {
	exec [interpreter] script >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile script
    } -result {}

    # Tests Tcl_Main-4.*: rc file evaluation

    test Tcl_Main-4.1 {
	Tcl_Main: rcFile evaluation deletes interp
    } -constraints {
	exec Tcltest
    } -setup {
	set rc [makeFile {testinterpdelete {}} rc]
    } -body {
	exec [interpreter] << {puts "In script"} \
		-appinitprocsetrcfile $rc >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile rc
    } -result "application-specific initialization failed: \n"

    test Tcl_Main-4.2 {
	Tcl_Main: rcFile evaluation closes stdin
    } -constraints {
	exec Tcltest
    } -setup {
	set rc [makeFile {close stdin} rc]
    } -body {
	exec [interpreter] << {puts "In script"} \
		-appinitprocsetrcfile $rc >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile rc
    } -result "application-specific initialization failed: \n"

    test Tcl_Main-4.3 {
	Tcl_Main: rcFile evaluation closes stdin and sets main loop
    } -constraints {
	exec Tcltest
    } -setup {
	set rc [makeFile {
		close stdin
		testsetmainloop
		after 0 testexitmainloop
		testexithandler create 0
		rename exit _exit
		proc exit code {
		    puts "In exit"
		    _exit $code
		}
	} rc]
    } -body {
	exec [interpreter] << {puts "In script"} \
		-appinitprocsetrcfile $rc >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile rc
    } -result "application-specific initialization failed:\
	\nExit MainLoop\nIn exit\neven 0\n"

    test Tcl_Main-4.4 {
	Tcl_Main: rcFile evaluation sets main loop
    } -constraints {
	exec Tcltest
    } -setup {
	set rc [makeFile {
		testsetmainloop
		after 0 testexitmainloop
		testexithandler create 0
		rename exit _exit
		proc exit code {
		    puts "In exit"
		    _exit $code
		}
	} rc]
    } -body {
	exec [interpreter] << {puts "In script"} \
		-appinitprocsetrcfile $rc >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
	removeFile rc
    } -result "application-specific initialization failed:\
	\nIn script\nExit MainLoop\nIn exit\neven 0\n"

    # Tests Tcl_Main-5.*: interactive operations

    test Tcl_Main-5.1 {
	Tcl_Main: tcl_interactive must be boolean
    } -constraints {
	exec
    } -body {
	exec [interpreter] << {set tcl_interactive foo} >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f
	file delete result
    } -result "can't set \"tcl_interactive\":\
	     variable must have boolean value\n"

    test Tcl_Main-5.2 {
	Tcl_Main able to handle non-blocking stdin
    } -constraints {
	exec
    } -setup {
	catch {set f [open "|[list [interpreter]]" w+]}
    } -body {
	type $f {
	    fconfigure stdin -blocking 0
	    puts SUCCESS
	}
	list [catch {gets $f} line] $line
    } -cleanup {
	close $f
    } -result [list 0 SUCCESS]

    test Tcl_Main-5.3 {
	Tcl_Main handles stdin EOF in mid-command
    } -constraints {
	exec
    } -setup {
	catch {set f [open "|[list [interpreter]]" w+]}
	catch {fconfigure $f -blocking 0}
    } -body {
	type $f "fconfigure stdin -eofchar \\032
	    if 1 \{\n\032"
	variable wait
	fileevent $f readable \
		[list set [namespace which -variable wait] "child exit"]
	set id [after 2000 [list set [namespace which -variable wait] timeout]]
	vwait [namespace which -variable wait]
	after cancel $id
	set wait
    } -cleanup {
	if {[string equal timeout $wait]
		&& [string equal unix $::tcl_platform(platform)]} {
	    exec kill [pid $f]
	}
	close $f
    } -result {child exit}

    test Tcl_Main-5.4 {
	Tcl_Main handles stdin EOF in mid-command
    } -constraints {
	exec
    } -setup {
	set cmd {makeFile "if 1 \{" script}
	catch {set f [open "|[list [interpreter]] < [list [eval $cmd]]" r]}
	catch {fconfigure $f -blocking 0}
    } -body {
	variable wait
	fileevent $f readable \
		[list set [namespace which -variable wait] "child exit"]
	set id [after 2000 [list set [namespace which -variable wait] timeout]]
	vwait [namespace which -variable wait]
	after cancel $id
	set wait
    } -cleanup {
	if {[string equal timeout $wait]
		&& [string equal unix $::tcl_platform(platform)]} {
	    exec kill [pid $f]
	}
	close $f
	removeFile script
    } -result {child exit}

    test Tcl_Main-5.5 {
	Tcl_Main: error raised in interactive mode
    } -constraints {
	exec
    } -body {
	exec [interpreter] << {error foo} >& result
	set f [open result]
	read $f
    } -cleanup {
	close $f