# This file is a Tcl script to test the [::tk::startOf|endOf]* functions in
# tk.tcl and tkIcu.c.  It is organized in the standard fashion for Tcl tests.
#
# Copyright © 1994 The Regents of the University of California.
# Copyright © 1994-1995 Sun Microsystems, Inc.
# Copyright © 1998-1999 Scriptics Corporation.
# All rights reserved.

package require tcltest 2.2
eval tcltest::configure $argv
tcltest::loadTestedCommands
namespace import -force tcltest::test

testConstraint needsICU [expr {[catch {info body ::tk::startOfCluster}]}]


test cluster-1.0 {::tk::startOfCluster} -body {
    ::tk::startOfCluster 🤡 -1
} -result {}
test cluster-1.1 {::tk::startOfCluster} -body {
    ::tk::startOfCluster 🤡 0
} -result 0
test cluster-1.2 {::tk::startOfCluster} -constraints needsICU -body {
    ::tk::startOfCluster 🤡 1
} -result 0
test cluster-1.3 {::tk::startOfCluster} -constraints needsICU -body {
    ::tk::startOfCluster 🤡 2
} -result 2
test cluster-1.4 {::tk::startOfCluster} -constraints needsICU -body {
    ::tk::startOfCluster 🤡 3
} -result 2
test cluster-1.5 {::tk::startOfCluster} -constraints needsICU -body {
    ::tk::startOfCluster 🤡 end
} -result 0
test cluster-1.6 {::tk::startOfCluster} -body {
    ::tk::startOfCluster 🤡 {}
} -result {}
test cluster-1.7 {::tk::startOfCluster} -constraints needsICU -body {
    ::tk::startOfCluster 🤡 end-1
} -result 0

test cluster-2.0 {::tk::endOfCluster} -body {
    ::tk::endOfCluster 🤡 -1
} -result 0
test cluster-2.1 {::tk::endOfCluster} -constraints needsICU -body {
    ::tk::endOfCluster 🤡 0
} -result 2
test cluster-2.2 {::tk::endOfCluster} -constraints needsICU -body {
    ::tk::endOfCluster 🤡 1
} -result 2
test cluster-2.3 {::tk::endOfCluster} -body {
    ::tk::endOfCluster 🤡 2
} -result {}
test cluster-2.4 {::tk::endOfCluster} -body {
    ::tk::endOfCluster 🤡 3
} -result {}
test cluster-2.5 {::tk::endOfCluster} -constraints needsICU -body {
    ::tk::endOfCluster 🤡 end
} -result 2
test cluster-2.6 {::tk::endOfCluster} -body {
    ::tk::endOfCluster 🤡 {}
} -result 0
test cluster-2.7 {::tk::endOfCluster} -constraints needsICU -body {
    ::tk::endOfCluster 🤡 end-1
} -result 2

test cluster-3.0 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" -1
} -result 2
test cluster-3.1 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" 0
} -result 2
test cluster-3.2 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" 1
} -result 2
test cluster-3.3 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" 2
} -result {}
test cluster-3.4 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" 3
} -result {}
test cluster-3.5 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" 4
} -result {}
test cluster-3.6 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" 5
} -result {}
test cluster-3.7 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" end
} -result {}
test cluster-3.8 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" {}
} -result 2
test cluster-3.9 {::tk::endOfWord} -body {
    ::tk::endOfWord "ab cd" end-1
} -result {}

test cluster-4.0 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" -1
} -result {}
test cluster-4.1 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" 0
} -result {}
test cluster-4.2 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" 1
} -result 0
test cluster-4.3 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" 2
} -result 0
test cluster-4.4 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" 3
} -result 0
test cluster-4.5 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" 4
} -result 3
test cluster-4.6 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" 5
} -result 3
test cluster-4.7 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" end
} -result 3
test cluster-4.8 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" {}
} -result {}
test cluster-4.9 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord "ab cd" end-1
} -result 0

test cluster-5.0 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" -1
} -result 3
test cluster-5.1 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" 0
} -result 3
test cluster-5.2 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" 1
} -result 3
test cluster-5.3 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" 2
} -result 3
test cluster-5.4 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" 3
} -result {}
test cluster-5.5 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" 4
} -result {}
test cluster-5.6 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" 5
} -result {}
test cluster-5.7 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" end
} -result {}
test cluster-5.8 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" {}
} -result 3
test cluster-5.9 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord "ab cd" end-1
} -result {}

test cluster-6.0 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" -1
} -result {}
test cluster-6.1 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" 0
} -result {}
test cluster-6.2 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" 1
} -result {}
test cluster-6.3 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" 2
} -result 2
test cluster-6.4 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" 3
} -result 3
test cluster-6.5 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" 4
} -result 3
test cluster-6.6 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" 5
} -result 3
test cluster-6.7 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" end
} -result 3
test cluster-6.8 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore "ab cd" {}
} -result {}
test cluster-6.9 {::tk::wordBreakBefore} -body {
    ::tk::startOfNextWord "ab cd" end-1
} -result {}

test cluster-7.0 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" -1
} -result 2
test cluster-7.1 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" 0
} -result 2
test cluster-7.2 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" 1
} -result 2
test cluster-7.3 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" 2
} -result 3
test cluster-7.4 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" 3
} -result {}
test cluster-7.5 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" 4
} -result {}
test cluster-7.6 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" 5
} -result {}
test cluster-7.7 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" end
} -result {}
test cluster-7.8 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" {}
} -result 2
test cluster-7.9 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter "ab cd" end-1
} -result {}


test cluster-8.0 {::tk::startOfCluster} -body {
    ::tk::startOfCluster a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::startOfCluster str start ?locale?"}
test cluster-8.1 {::tk::endOfCluster} -body {
    ::tk::endOfCluster a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::endOfCluster str start ?locale?"}
test cluster-8.2 {::tk::startOfPreviousWord} -body {
    ::tk::startOfPreviousWord a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::startOfPreviousWord str start ?locale?"}
test cluster-8.3 {::tk::startOfNextWord} -body {
    ::tk::startOfNextWord a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::startOfNextWord str start ?locale?"}
test cluster-8.4 {::tk::endOfWord} -body {
    ::tk::endOfWord a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::endOfWord str start ?locale?"}
test cluster-8.5 {::tk::wordBreakBefore} -body {
    ::tk::wordBreakBefore a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::wordBreakBefore str start ?locale?"}
test cluster-8.6 {::tk::wordBreakAfter} -body {
    ::tk::wordBreakAfter a b c d
} -returnCodes 1 -result {wrong # args: should be "::tk::wordBreakAfter str start ?locale?"}

cleanupTests
return