source: branches/sandbox/la1.0/defs

# This file contains support code for the Tcl test suite.  It is
# normally sourced by the individual files in the test suite before
# they run their tests.  This improved approach to testing was designed
# and initially implemented by Mary Ann May-Pumphrey of Sun Microsystems.
# This file is NOT Copyright by Hume Integration
#
set VERBOSE 0
set TESTS {}
set auto_noexec 1


# If tests are being run as root, issue a warning message and set a
# variable to prevent some tests from running at all.

set user {}
catch {set user [exec whoami]}


# Some of the tests don't work on some system configurations due to
# configuration quirks, not due to Tcl problems;  in order to prevent
# false alarms, these tests are only run in the master source directory
# at Berkeley.  The presence of a file "Berkeley" in this directory is
# used to indicate that these tests should be run.

set atBerkeley [file exists Berkeley]

proc print_verbose {test_name test_description contents_of_test code answer} {
    puts stdout "\n"
    puts stdout "==== $test_name $test_description"
    puts stdout "==== Contents of test case:"
    puts stdout "$contents_of_test"
    if {$code != 0} {
        if {$code == 1} {
            puts stdout "==== Test generated error:"
            puts stdout $answer
        } elseif {$code == 2} {
            puts stdout "==== Test generated return exception;  result was:"
            puts stdout $answer
        } elseif {$code == 3} {
            puts stdout "==== Test generated break exception"
        } elseif {$code == 4} {
            puts stdout "==== Test generated continue exception"
        } else {
            puts stdout "==== Test generated exception $code;  message was:"
            puts stdout $answer
        }
    } else {
        puts stdout "==== Result was:"
        puts stdout "$answer"
    }
}

proc test {test_name test_description contents_of_test passing_results} {
    global VERBOSE
    global TESTS
    if {[string compare $TESTS ""] != 0} then {
        set ok 0
        foreach test $TESTS {
            if [string match $test $test_name] then {
                set ok 1
                break
            }
        }
        if !$ok then return
    }
    set code [catch {uplevel $contents_of_test} answer]
    if {$code != 0} {
        print_verbose $test_name $test_description $contents_of_test \
                $code $answer
    } elseif {[string compare $answer $passing_results] == 0} then { 
        if $VERBOSE then {
            print_verbose $test_name $test_description $contents_of_test \
                    $code $answer
            puts stdout "++++ $test_name PASSED"
        }
    } else {
        print_verbose $test_name $test_description $contents_of_test $code \
                $answer 
        puts stdout "---- Result should have been:"
        puts stdout "$passing_results"
        puts stdout "---- $test_name FAILED" 
    }
}

proc dotests {file args} {
    global TESTS
    set savedTests $TESTS
    set TESTS $args
    source $file
    set TESTS $savedTests
}