test_more.t

#!./parrot
# Copyright (C) 2005-2010, Parrot Foundation.
# $Id$

.sub _main :main
    load_bytecode 'Test/Builder/Tester.pbc'
    load_bytecode 'Test/More.pbc'

    .local pmc tb_args
    tb_args = new 'Hash'

    .local pmc test
    test = new [ 'Test'; 'Builder' ], tb_args

    .local pmc exports, curr_namespace, test_namespace
    curr_namespace = get_namespace
    test_namespace = get_namespace [ 'Test'; 'More' ]
    exports = split " ", "ok nok is diag like skip todo is_deeply is_null isa_ok isnt throws_like lives_ok dies_ok"
    test_namespace.'export_to'(curr_namespace, exports)

    test_namespace = get_namespace [ 'Test'; 'Builder'; 'Tester' ]
    exports = split " ", "plan test_out test_diag test_fail test_pass test_test"
    test_namespace.'export_to'(curr_namespace, exports)

    plan( 117 )

    test_skip()
    test_todo()
    test_ok()
    test_nok()
    test_is()
    test_isnt()
    test_like()
    test_is_deeply()
    test_is_null()
    test_diagnostics()
    test_lives_ok()
    test_dies_ok()
    test_throws_like()
    test_isa_ok()

    test.'finish'()
.end

.sub test_dies_ok
    test_pass( 'dies_ok passes when there is an error' )
    dies_ok( <<'CODE', 'dies_ok passes when there is an error' )
.sub main
    die 'I did it for the lulz'
.end
CODE
    test_test( 'dies_ok passes when there is an error' )

    test_fail( 'dies_ok fails when there is no error' )
    dies_ok( <<'CODE', 'dies_ok fails when there is no error' )
.sub main
    $I0 = 42
.end
CODE
    test_diag( 'no error thrown' )
    test_test( 'dies_ok fails when there is no error' )

    test_pass( 'dies_ok passes when there is an error with diagnostic message' )
    dies_ok( <<'CODE', 'dies_ok passes when there is an error with diagnostic message' )
.sub main
    die 'I did it for the lulz'
.end
CODE
    test_diag( '' )
    test_test( 'dies_ok passes when there is an error with diagnostic message' )

    test_fail( 'dies_ok fails when there is no error with diagnostic message' )
    dies_ok( <<'CODE', 'dies_ok fails when there is no error with diagnostic message' )
.sub main
    $I0 = 42
.end
CODE
    test_diag( 'no error thrown' )
    test_test( 'dies_ok fails when there is no error with diagnostic message' )

.end

.sub test_lives_ok

    test_pass( 'lives_ok passes when there is no error' )
    lives_ok( <<'CODE', 'lives_ok passes when there is no error' )
.sub main
    $I0 = 42
.end
CODE
    test_test( 'lives_ok passes when there is no error' )

    test_fail( 'lives_ok fails when there is an error')
    lives_ok( <<'CODE', 'lives_ok fails when there is an error')
.sub main
    die 'I did it for the lulz'
.end
CODE
    test_diag( 'I did it for the lulz' )
    test_test( 'lives_ok fails when there is an error' )

    test_pass( 'lives_ok passes when there is no error (with diagnostic message)' )
    lives_ok( <<'CODE', 'lives_ok passes when there is no error (with diagnostic message)' )
.sub main
    $I0 = 42
.end
CODE
    test_diag( '' )
    test_test( 'lives_ok passes when there is no error (with diagnostic message)' )

    test_fail( 'lives_ok fails when there is an error (with diagnostic message)' )
    lives_ok( <<'CODE', 'lives_ok fails when there is an error (with diagnostic message)' )
.sub main
    die 'I did it for the lulz'
.end
CODE
    test_diag( 'I did it for the lulz' )
    test_test( 'lives_ok fails when there is an error' )
.end

.sub test_throws_like

    test_fail('throws_like fails when there is no error')
    throws_like( <<'CODE', 'somejunk', 'throws_like fails when there is no error')
.sub main
    $I0 = 42
.end
CODE
    test_diag( 'no error thrown' )
    test_test( 'throws_like fails when there is no error')

    test_pass('throws_like passes when error matches pattern')
    throws_like( <<'CODE', 'for\ the\ lulz','throws_like passes when error matches pattern')
.sub main
    die 'I did it for the lulz'
.end
CODE
    test_test( 'throws_like passes when error matches pattern' )

    test_fail( 'throws_like fails when error does not match pattern' )
    throws_like( <<'CODE', 'for\ the\ lulz','throws_like fails when error does not match pattern')
.sub main
    die 'DO NOT WANT'
.end
CODE
    .local string diagnostic
    diagnostic  = "match failed: target 'DO NOT WANT' does not match pattern '"
    diagnostic .= 'for\ the\ lulz'
    diagnostic .= "'"
    test_diag( diagnostic )
    test_test('throws_like fails when error does not match pattern' )

.end

.namespace ['MyFalseClass']

.sub '' :anon :load :init
    $P0 = newclass ['MyFalseClass']
.end

.sub 'get_bool' :vtable
    .return(0)
.end

.sub 'get_integer' :vtable
    .return(1)
.end

.namespace ['MyTrueClass']

.sub '' :anon :load :init
    $P0 = newclass ['MyTrueClass']
.end

.sub 'get_bool' :vtable
    .return(1)
.end

.sub 'get_integer' :vtable
    .return(0)
.end

.namespace []

.sub test_ok
    test_pass()
    ok( 1 )
    test_test( 'passing test ok()')

    test_fail()
    ok( 0 )
    test_test( 'failing test ok()')

    test_pass( 'with description' )
    ok( 1, 'with description' )
    test_test( 'passing test ok() with description')

    test_fail( 'with description' )
    ok( 0, 'with description' )
    test_test( 'failing test ok() with description')

    $P0 = new ['MyFalseClass']
    test_fail()
    ok( $P0 )
    test_test( 'failing ok() calls get_bool')

    $P0 = new ['MyTrueClass']
    test_pass()
    ok( $P0 )
    test_test( 'passing ok() calls get_bool')
.end

.sub test_nok
    test_fail()
    nok( 1 )
    test_test( 'failing test nok()')

    test_pass()
    nok( 0 )
    test_test( 'passing test nok()')

    test_fail( 'with description' )
    nok( 1, 'with description' )
    test_test( 'failing test nok() with description')

    test_pass( 'with description' )
    nok( 0, 'with description' )
    test_test( 'passing test nok() with description')

    $P0 = new ['MyFalseClass']
    test_pass()
    nok( $P0 )
    test_test( 'passing nok() calls get_bool')

    $P0 = new ['MyTrueClass']
    test_fail()
    nok( $P0 )
    test_test( 'failing nok() calls get_bool')
.end

.sub test_is
    test_pass()
    is( 100, 100 )
    test_test( 'passing test is() for ints')

    test_fail()
    test_diag( 'Have: -100' )
    test_diag( 'Want: 200' )
    is( -100, 200 )
    test_test( 'failing test is() for ints')

    test_pass( 'comparing two integers' )
    is( 512, 512, 'comparing two integers' )
    test_test( 'passing test is() for ints with description')

    test_fail( 'comparing two integers' )
    is( -512, 5120, 'comparing two integers' )
    test_diag( 'Have: -512' )
    test_diag( 'Want: 5120' )
    test_test( 'failing test is() for ints with description')

    test_pass()
    is( 6.5, 6.5 )
    test_test( 'passing test is() for floats')

    test_fail()
    is( 1.235, 5.321 )
    test_diag( 'Have: 1.235' )
    test_diag( 'Want: 5.321' )
    test_test( 'failing test is() for floats')

    test_pass( 'comparing two floats' )
    is( 80.80, 80.80, 'comparing two floats' )
    test_test( 'passing test is() for floats with description')

    test_fail( 'comparing two floats' )
    is( 777.1, 888.8, 'comparing two floats' )
    test_diag( 'Have: 777.1' )
    test_diag( 'Want: 888.8' )
    test_test( 'failing test is() for floats with description')

    test_fail( 'comparing two floats with precision, failure' )
    is( 777.1, 888.8, 'comparing two floats with precision, failure', 1e-6)
    test_diag( 'Have: 777.1' )
    test_diag( 'Want: 888.8' )
    test_test( 'failing test is() for floats with precision')

    test_pass( 'comparing two floats with precision, success' )
    is( 666.222, 666.223, 'comparing two floats with precision, success', 1e-2)
    test_test( 'passing test is() for floats with precision')

    test_fail( 'comparing Float PMC and a float with precision, failure' )
    $P0 = new 'Float'
    $P0 = 888.81
    is( $P0, 888.82, 'comparing Float PMC and a float with precision, failure', 1e-2)
    test_diag( 'Have: 888.81' )
    test_diag( 'Want: 888.82' )
    test_test( 'failing test is() for comparing a Float PMC and float with precision')

    test_pass( 'comparing Float PMC and a float with precision, success' )
    $P0 = 666.222
    is( $P0, 666.223, 'comparing Float PMC and a float with precision, success', 1e-2)
    test_test( 'passing test is() for comparing Float PMC and float with precision')

    test_pass( 'comparing integer and a Float PMC with precision, success' )
    $I0 = 42
    is( $I0, 41.99, 'comparing integer and a Float PMC with precision, success', 0.1)
    test_test( 'passing test is() for comparing Integer PMC and float with precision')

    test_fail( 'comparing integer and a Float PMC with precision, failure' )
    $I0 = 42
    is( $I0, 41.99, 'comparing integer and a Float PMC with precision, failure', 1e-3)
    test_diag( 'Have: 42' )
    test_diag( 'Want: 41.99' )
    test_test( 'failing test is() for comparing Integer PMC and float with precision')

    test_pass()
    is( 'bob', 'bob' )
    test_test( 'passing test is() for strings')

    test_fail()
    is( 'larry', 'bob' )
    test_diag( 'Have: larry' )
    test_diag( 'Want: bob' )
    test_test( 'failing test is() for strings')

    test_pass( 'comparing two strings' )
    is( 'larry', 'larry', 'comparing two strings' )
    test_test( 'passing test is() for strings with description')

    test_fail( 'comparing two strings' )
    is( 'zeke', 'zelda', 'comparing two strings' )
    test_diag( 'Have: zeke' )
    test_diag( 'Want: zelda' )
    test_test( 'failing test is() for strings with description')

    .local pmc left
    .local pmc right
    left  = new 'String'
    right = new 'String'
    left  = 'zero'
    right = 'zero'

    test_pass()
    is( left, right )
    test_test( 'passing test is() for pmcs')

    right = new 'Integer'
    right = 1
    test_fail( 'zero versus 1' )
    test_diag( 'Have: zero' )
    test_diag( 'Want: 1' )
    is( left, right, 'zero versus 1' )
    test_test( 'failing test is() for pmcs')

    left = '1'
    test_pass( 'comparing two pmcs' )
    is( left, right, 'comparing two pmcs' )
    test_test( 'passing test is() for pmcs with description')

    right = new 'Hash'

    .local string expected
    .local string hash_string
    expected     = 'Want: '
    hash_string  = right
    expected    .= hash_string

    test_fail( 'comparing two pmcs' )
    test_diag( 'Have: 1' )
    test_diag( expected )
    is( left, right, 'comparing two pmcs' )
    test_test( 'failing test is() for pmcs with description' )

    test_pass( 'comparing two nulls' )
    null left
    null right
    is( left, right, 'comparing two nulls' )
    test_test( 'passing test is() for nulls')

    test_fail('comparing null with Int')
    null left
    right = box 1
    is( left, right, 'comparing null with Int')
    test_diag( 'Have: null' )
    test_diag( 'Want: 1' )
    test_test('failing test is() for null vs. pmc 1')

    test_fail('comparing Int with null')
    left = box 10
    null right
    is( left, right, 'comparing Int with null')
    test_diag( 'Have: 10' )
    test_diag( 'Want: null' )
    test_test('failing test is() for pmc 10 vs. null')

    test_fail('comparing null with Float')
    null left
    right = box 1.01
    is( left, right, 'comparing null with Float')
    test_diag( 'Have: null' )
    test_diag( 'Want: 1.01' )
    test_test('failing test is() for null vs. pmc 1.01')

    test_fail('comparing Float with null')
    left = box 2.787
    null right
    is( left, right, 'comparing Float with null')
    test_diag( 'Have: 2.787' )
    test_diag( 'Want: null' )
    test_test('failing test is() for pmc 2.787 vs. null')

    test_fail('comparing null with String')
    null left
    right = box 'September, when it comes'
    is( left, right, 'comparing null with String')
    test_diag( 'Have: null' )
    test_diag( 'Want: September, when it comes' )
    test_test('failing test is() for null vs. String pmc')

    test_fail('comparing String with null')
    left = box 'I cannot move a mountain now'
    null right
    is( left, right, 'comparing String with null')
    test_diag( 'Have: I cannot move a mountain now' )
    test_diag( 'Want: null' )
    test_test('failing test is() for String pmc vs. null')

.end

.sub test_isnt
    test_pass()
    isnt( 100, 200 )
    test_test( 'passing test isnt() for ints')

    test_fail()
    test_diag( 'Have: -100' )
    test_diag( 'Want: not -100' )
    isnt( -100, -100 )
    test_test( 'failing test isnt() for ints')

    test_pass( 'comparing two unidentical integers' )
    isnt( 512, 215, 'comparing two unidentical integers' )
    test_test( 'passing test isnt() for ints with description')

    test_fail( 'comparing two integers' )
    isnt( -512, -512, 'comparing two integers' )
    test_diag( 'Have: -512' )
    test_diag( 'Want: not -512' )
    test_test( 'failing test isnt() for ints with description')

    test_pass()
    isnt( -6.5, 6.5 )
    test_test( 'passing test isnt() for floats')

    test_fail()
    isnt( 1.235, 1.235 )
    test_diag( 'Have: 1.235' )
    test_diag( 'Want: not 1.235' )
    test_test( 'failing test isnt() for floats')

    test_pass( 'comparing two floats' )
    isnt( 777.1, 888.8, 'comparing two floats' )
    test_test( 'passing test isnt() for floats with description')

    test_fail( 'comparing two floats' )
    isnt( 80.8, 80.8, 'comparing two floats' )
    test_diag( 'Have: 80.8' )
    test_diag( 'Want: not 80.8' )
    test_test( 'failing test isnt() for floats with description')

    test_pass()
    isnt( 'bob', 'BoB' )
    test_test( 'passing test isnt() for strings')

    test_fail()
    isnt( 'larry', 'larry' )
    test_diag( 'Have: larry' )
    test_diag( 'Want: not larry' )
    test_test( 'failing test isnt() for strings')

    test_pass( 'comparing two strings' )
    isnt( 'zeke', 'zelda', 'comparing two strings' )
    test_test( 'passing test isnt() for strings with description')

    test_fail( 'comparing two strings' )
    isnt( 'larry', 'larry', 'comparing two strings' )
    test_diag( 'Have: larry' )
    test_diag( 'Want: not larry' )
    test_test( 'failing test isnt() for strings with description')

    .local pmc left
    .local pmc right
    left  = new 'String'
    right = new 'String'
    left  = 'zero'
    right = '0'

    test_pass()
    isnt( left, right )
    test_test( 'passing test isnt() for pmcs')

    right = new 'String'
    right = 'zero'
    test_fail()
    test_diag( 'Have: zero' )
    test_diag( 'Want: not zero' )
    isnt( left, right )
    test_test( 'failing test isnt() for pmcs')

    left = '0'
    test_pass( 'comparing two pmcs' )
    isnt( left, right, 'comparing two pmcs' )
    test_test( 'passing test isnt() for pmcs with description')

    right = new 'Hash'

    .local string expected
    .local string hash_string
    expected     = 'Want: '
    hash_string  = right
    expected    .= hash_string

    test_pass( 'comparing two pmcs' )
    isnt( left, right, 'comparing two pmcs' )
    test_test( 'failing test isnt() for pmcs with description')
.end

.sub test_like
    test_pass()
    like( 'abcdef', '<[c]>' )
    test_test( 'passing test like()' )

    test_pass( 'testing like()' )
    like( 'abcdef', '<[c]>', 'testing like()' )
    test_test( 'passing test like() with description' )

    test_fail()

    test_diag( "match failed: target 'abcdef' does not match pattern '<[g]>'" )
    like( 'abcdef', '<[g]>' )
    test_test( 'failing test like()' )

    test_fail( 'testing like()' )
    test_diag( "match failed: target 'abcdef' does not match pattern '<[g]>'" )
    like( 'abcdef', '<[g]>', 'testing like()' )
    test_test( 'failing test like() with description' )

    test_pass( 'like() can match literal strings' )
    like( 'foobar', 'foobar', 'like() can match literal strings' )
    test_test( 'like() can match literal strings' )

    test_pass( 'like() can match partial literal strings' )
    like( 'foobar()', 'foobar', 'like() can match partial literal strings' )
    test_test( 'like() can match partial literal strings' )

    test_pass( 'like() can match partial literal strings with spaces' )
    like( 'foo bar()', 'foo\ bar', 'like() can match partial literal strings with spaces' )
    test_test( 'like() can match partial literal strings with spaces' )
.end

.sub test_is_deeply
    test_is_deeply_array()
    test_is_deeply_hash()
    test_is_deeply_hash_tt763()
    test_is_deeply_mismatch()
    test_is_deeply_nested()
.end

.sub test_is_deeply_array
    .local pmc left
    .local pmc right
    left  = new 'ResizablePMCArray'
    right = new 'ResizablePMCArray'

    push left,  7
    push right, 7
    push left,  'seven'
    push right, 'seven'

    test_pass()
    is_deeply( left, right )
    test_test( 'passing test is_deeply() for pmc arrays' )

    test_pass( 'comparing two pmc arrays' )
    is_deeply( left, right, 'comparing two pmc arrays' )
    test_test( 'passing test is_deeply() for pmc arrays with description' )

    push left,  '9 - 2'

    test_fail()
    test_diag( 'Mismatch: expected 3 elements, received 2' )
    is_deeply( left, right )
    test_test( 'failing test is_deeply() for pmc arrays' )

    test_fail( 'comparing two pmc arrays' )
    test_diag( 'Mismatch: expected 3 elements, received 2' )
    is_deeply( left, right, 'comparing two pmc arrays' )
    test_test( 'failing test is_deeply() for pmc arrays with description' )

    push right, '9 - 3'
    test_fail()
    test_diag( 'Mismatch at [2]: expected 9 - 2, received 9 - 3' )
    is_deeply( left, right )
    test_test( 'failing test is_deeply() for item mismatch at position' )

    test_fail( 'comparing mismatch of elements' )
    test_diag( 'Mismatch at [2]: expected 9 - 2, received 9 - 3' )
    is_deeply( left, right, 'comparing mismatch of elements' )
    test_test( 'failing test is_deeply() for item mismatch at position' )
.end

.sub test_is_deeply_hash
    .local pmc left
    .local pmc right
    .local pmc undef1
    .local pmc undef2

    left   = new 'Hash'
    right  = new 'Hash'
    undef1 = new 'Undef'
    undef2 = new 'Undef'

    test_pass()
    is_deeply( left, right )
    test_test( 'passing test is_deeply() for empty pmc hashes' )

    test_pass( 'empty hashes match' )
    is_deeply( left, right, 'empty hashes match' )
    test_test( 'passing test is_deeply() for empty pmc hashes with diagnostic' )

    left['foo'] = 1

    test_fail()
    is_deeply( left, right )
    test_diag( 'Mismatch: expected 1 element, received 0' )
    test_test( 'failing is_deeply() for hashes with different numbers of keys' )

    left['bar']  = 1
    right['bar'] = 1

    test_fail( 'more diag' )
    is_deeply( left, right, 'more diag' )
    test_diag( 'Mismatch: expected 2 elements, received 1' )
    test_test( '... with description and proper pluralization' )

    right['foo'] = 2

    test_fail()
    is_deeply( left, right )
    test_diag( 'Mismatch at [foo]: expected 1, received 2' )
    test_test( 'failing is_deeply() for hash with value mismatch' )

    test_fail( '2 is not 1' )
    is_deeply( left, right, '2 is not 1' )
    test_diag( 'Mismatch at [foo]: expected 1, received 2' )
    test_test( '... with description' )

    right['foo'] = 1
    test_pass()
    is_deeply( left, right )
    test_test( 'passing test is_deeply() for hashes created in different orders' )
.end

.sub test_is_deeply_hash_tt763
    .local pmc left
    .local pmc right
    .local pmc undef1
    .local pmc undef2

    left   = new 'Hash'
    right  = new 'Hash'
    undef1 = new 'Undef'
    undef2 = new 'Undef'
    right['undef1'] = undef1
    left['undef2']  = undef2

    test_fail()
    is_deeply( left, right )
    test_diag( 'Mismatch at [undef2]: expected (undef), received nonexistent' )
    test_test( 'failing is_deeply() for undef in left, nonexistent in right' )

    test_fail()
    is_deeply( right, left )
    test_diag( 'Mismatch at [undef1]: expected (undef), received nonexistent' )
    test_test( 'failing is_deeply() for undef in left, nonexistent in right' )

    right['undef2'] = undef2
    left['undef1']  = undef1

    test_pass()
    is_deeply( left, right )
    test_test( 'passing is_deeply() with undef values' )

    left['foo'] = undef1
    test_fail()
    is_deeply( left, right )
    test_diag( 'Mismatch: expected 3 elements, received 2')
    test_test( 'failing is_deeply() for hashes differing by keys with undef values' )

    right['bar'] = undef1
    test_fail()
    is_deeply( left, right )
    test_diag( 'Mismatch at [foo]: expected (undef), received nonexistent')
    test_test( 'failing is_deeply() for hashes differing by keys with undef values' )
.end

.sub test_is_deeply_mismatch
.end

.sub test_is_deeply_nested
    .local pmc left
    .local pmc right

    left  = new 'Hash'
    right = new 'Hash'

    .local pmc left_array
    .local pmc right_array
    left_array  = new 'ResizablePMCArray'
    left_array  = 3
    right_array = new 'ResizablePMCArray'
    right_array = 3

    left[  'array' ] = left_array
    right[ 'array' ] = right_array

    left_array[0]  = 1
    right_array[0] = 1

    test_pass()
    is_deeply( left, right )
    test_test( 'Nested data structure equality' )

    test_pass( '... are they equal?' )
    is_deeply( left, right, '... are they equal?' )
    test_test( '... with description' )

    right_array[2] = 2

    test_fail()
    is_deeply( left, right )
    test_diag( 'Mismatch at [array][2]: expected (undef), received 2' )
    test_test( 'Nested data structure inequality' )

    test_fail( '... are they inequal?' )
    is_deeply( left, right, '... are they inequal?' )
    test_diag( 'Mismatch at [array][2]: expected (undef), received 2' )
    test_test( '... with description' )
.end

.sub test_diagnostics
    test_pass()
    ok( 1 )
    diag( 'foo bar baz' )
    test_diag( 'foo bar baz' )
    test_test( 'single line diagnostics' )

    test_pass()
    ok( 1 )
    diag( 'foo bar baz' )
    diag( 'rum tum tugger')
    test_diag( "foo bar baz\nrum tum tugger" )
    test_test( 'multi line diagnostics' )
.end

.sub test_skip

    .local pmc test
    test = new [ 'Test'; 'Builder' ]

    test_out( 'ok 1 #skip skipping' )
    test_out( 'ok 2 #skip skipping' )
    test.'skip'( 2, 'skipping' )
    test_test( 'skip test should pass' )

    test_out( 'ok 3 #skip skipped' )
    skip( 1 )
    test_test( 'skip(int)' )

    test_out( 'ok 4 #skip jumping' )
    skip( "jumping" )
    test_test( 'skip(string)' )

    test_out( 'ok 5 #skip lunch' )
    test_out( 'ok 6 #skip lunch' )
    skip( 2, "lunch" )
    test_test( 'skip(int, string)' )

    test_out( 'ok 7 #skip skipped' )
    skip()
    test_test( 'skip()' )
.end

.sub test_todo

    .local pmc test
    test = new [ 'Test'; 'Builder' ]

    test_out( 'ok 8 # TODO todo reason' )
    test.'todo'( 1, 'passing test', 'todo reason' )
    test_test( 'todo test should pass, marked as TODO' )

    test_out( "not ok 9 # TODO todo reason\n\tFailed (TODO) test 'failing test'" )
    test.'todo'( 0, 'failing test', 'todo reason' )
    test_test( 'todo test should fail, marked as TODO' )

    test_out( 'ok 10 # TODO todo reason' )
    todo( 1, 'passing test', 'todo reason' )
    test_test( 'todo test should pass, marked as TODO' )

    test_out( "not ok 11 # TODO todo reason\n\tFailed (TODO) test 'failing test'" )
    todo( 0, 'failing test', 'todo reason' )
    test_test( 'todo test should fail, marked as TODO' )

    test_out( "not ok 12 # TODO \n\tFailed (TODO) test ''" )
    todo( 0 )
    test_test( 'todo test with no description or reason' )

.end

.sub test_isa_ok
    .local pmc dog, terrier, daschund, Spot, Sossy

    dog = newclass "dog"
    terrier = subclass dog, "terrier"
    daschund = subclass dog, "daschund"

    Spot = new "terrier"
    Sossy = new "daschund"

    test_pass( 'Spot isa terrier' )
    isa_ok(Spot, "terrier", "Spot")
    test_test( 'passing isa_ok for PMC/string (class =)' )

    test_pass( 'Spot isa dog' )
    isa_ok(Spot, "dog", "Spot")
    test_test( 'passing isa_ok for PMC/string (super)')

    test_pass( 'Sossy isa daschund' )
    $P1 = new 'String'
        $P1 = "daschund"
    isa_ok(Sossy, $P1, "Sossy")
    test_test( 'passing isa_ok for PMC/PMC (class =)' )

    test_pass( 'Sossy isa dog' )
    $P2 = new 'String'
        $P2 = "dog"
    isa_ok(Sossy, $P2, "Sossy")
    test_test( 'passing isa_ok for PMC/PMC (super)')

    test_pass( 'The object isa terrier' )
    isa_ok(Spot, "terrier")
    test_test( 'passing isa_ok with no object description (class =)' )

    test_fail( 'Spot isa daschund' )
    test_diag( "Spot isn't a daschund it's a terrier" )
    isa_ok(Spot, 'daschund', "Spot")
    test_test( 'failing test isnt() for PMC/string')

.end

.sub test_is_null
    test_pass( 'null is_null')
    null $P0
    is_null($P0, 'null is_null')
    test_test( 'passing is_null with null')

    test_fail( 'String is not null' )
    $P0 = box 'Concerto'
    is_null($P0, 'String is not null')
    test_diag( "Have: Concerto" )
    test_diag( "Want: null" )
    test_test( 'failing test is_null for String pmc')
.end

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