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markom |
#
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# Old test suite for [incr Tcl] v1.5
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# ----------------------------------------------------------------------
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# AUTHOR: Michael J. McLennan
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# Bell Labs Innovations for Lucent Technologies
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# mmclennan@lucent.com
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# http://www.tcltk.com/itcl
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#
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# RCS: $Id: testlib.tcl,v 1.1.1.1 2002-01-16 10:24:47 markom Exp $
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# ----------------------------------------------------------------------
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# Copyright (c) 1993-1998 Lucent Technologies, Inc.
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# ======================================================================
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# See the file "license.terms" for information on usage and
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# redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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# ----------------------------------------------------------------------
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# USAGE: test <test-desc> <test-cmd> <check>
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#
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# Executes the given test, the evaluates the <check> condition to
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# see if the test passed. The result from the <test-cmd> is kept
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# in the variable $result. If this condition evaluates non-zero,
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# the test has passed. Otherwise, the test has failed. A variety
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# if checking routines (test_cmp_*) are provided below to make
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# the check condition easier to write.
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# ----------------------------------------------------------------------
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proc test {desc cmd check} {
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set result [uplevel $cmd]
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if {![expr $check]} {
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puts stdout "-------------------------------------------------------"
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puts stdout ">>>> FAILED TEST <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
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puts stdout "-------------------------------------------------------"
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set lines [split $desc "\n"]
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foreach i $lines {
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puts stdout $i
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}
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puts stdout "======================================================="
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set lines [split $cmd "\n"]
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set label TEST
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foreach i $lines {
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puts stdout " $label | $i"
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set label " "
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}
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puts stdout "-------------------------------------------------------"
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set lines [split $check "\n"]
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set label CHECK
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foreach i $lines {
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if {$i != ""} {
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puts stdout " $label | $i"
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set label " "
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}
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}
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puts stdout "-------------------------------------------------------"
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set lines [split $result "\n"]
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set label RESULT
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foreach i $lines {
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if {$i != ""} {
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puts stdout " $label | \$result => $i"
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set label " "
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}
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}
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puts stdout "======================================================="
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error "tests aborted"
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}
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}
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# ----------------------------------------------------------------------
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# USAGE: test_cmp_nums <num1> <num2>
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#
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# Compares two numbers to see if they are "equal." Numbers are
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# "equal" if they have an absolute value greater than 1.0e-6 and they
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# have at least 5 significant figures. Returns 1/0 for true/false.
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# ----------------------------------------------------------------------
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proc test_cmp_nums {num1 num2} {
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global TEST_ABS_TOL TEST_REL_TOL
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if {[expr abs($num1)] > $TEST_ABS_TOL &&
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[expr abs($num2)] > $TEST_ABS_TOL} {
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set avg [expr 0.5*($num1+$num2)]
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set diff [expr abs(($num1-$num2)/$avg)]
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if {$diff > $TEST_REL_TOL} {
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return 0
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}
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}
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return 1
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}
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# ----------------------------------------------------------------------
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# USAGE: test_cmp_vectors <list1> <list2>
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#
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# Compares two lists of numbers to see if they are "equal." Vectors
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# are "equal" if elements are "equal" in the numeric sense.
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# Returns 1/0 for true/false.
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# ----------------------------------------------------------------------
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proc test_cmp_vectors {list1 list2} {
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if {[llength $list1] != [llength $list2]} {
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return 0
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}
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for {set i 0} {$i < [llength $list1]} {incr i} {
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set n1 [lindex $list1 $i]
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set n2 [lindex $list2 $i]
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if {![test_cmp_nums $n1 $n2]} {
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return 0
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}
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}
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return 1
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}
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# ----------------------------------------------------------------------
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# USAGE: test_cmp_lists <list1> <list2>
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#
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# Compares two lists to see if they are "equal." Lists are "equal"
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# if they contain exactly the same elements, but perhaps in a
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# different order. Returns 1/0 for true/false.
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# ----------------------------------------------------------------------
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proc test_cmp_lists {list1 list2} {
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if {[llength $list1] != [llength $list2]} {
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return 0
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}
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foreach elem $list1 {
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set i [lsearch $list2 $elem]
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if {$i >= 0} {
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set list2 [lreplace $list2 $i $i]
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} else {
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return 0
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}
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}
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return 1
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}
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