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-# Copyright 2001, 2002, 2003 Dave Abrahams
-# Copyright 2006 Rene Rivera
-# Copyright 2002, 2003 Vladimir Prus
-# Distributed under the Boost Software License, Version 1.0.
-# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
-
-import errors ;
-import modules ;
-
-
-################################################################################
-#
-# Private implementation details.
-#
-################################################################################
-
-# Rule added as a replacement for the regular Jam = operator but which does not
-# ignore trailing empty string elements.
-#
-local rule exact-equal-test ( lhs * : rhs * )
-{
- local lhs_extended = $(lhs) xxx ;
- local rhs_extended = $(rhs) xxx ;
- if $(lhs_extended) = $(rhs_extended)
- {
- return true ;
- }
-}
-
-
-# Two lists are considered set-equal if they contain the same elements, ignoring
-# duplicates and ordering.
-#
-local rule set-equal-test ( set1 * : set2 * )
-{
- if ( $(set1) in $(set2) ) && ( $(set2) in $(set1) )
- {
- return true ;
- }
-}
-
-
-################################################################################
-#
-# Public interface.
-#
-################################################################################
-
-# Assert the equality of A and B, ignoring trailing empty string elements.
-#
-rule equal ( a * : b * )
-{
- if $(a) != $(b)
- {
- errors.error-skip-frames 3 assertion failure: \"$(a)\" "==" \"$(b)\"
- (ignoring trailing empty strings) ;
- }
-}
-
-
-# Assert that the result of calling RULE-NAME on the given arguments has a false
-# logical value (is either an empty list or all empty strings).
-#
-rule false ( rule-name args * : * )
-{
- local result ;
- module [ CALLER_MODULE ]
- {
- modules.poke assert : result : [ $(1) : $(2) : $(3) : $(4) : $(5) : $(6)
- : $(7) : $(8) : $(9) ] ;
- }
-
- if $(result)
- {
- errors.error-skip-frames 3 assertion failure: Expected false result from
- "[" $(rule-name) [ errors.lol->list $(args) : $(2) : $(3) : $(4) :
- $(5) : $(6) : $(7) : $(8) : $(9) ] "]" : Got: "[" \"$(result)\" "]" ;
- }
-}
-
-
-# Assert that ELEMENT is present in LIST.
-#
-rule "in" ( element : list * )
-{
- if ! $(element) in $(list)
- {
- errors.error-skip-frames 3 assertion failure: Expected \"$(element)\" in
- "[" \"$(list)\" "]" ;
- }
-}
-
-
-# Assert the inequality of A and B, ignoring trailing empty string elements.
-#
-rule not-equal ( a * : b * )
-{
- if $(a) = $(b)
- {
- errors.error-skip-frames 3 assertion failure: \"$(a)\" "!=" \"$(b)\"
- (ignoring trailing empty strings) ;
- }
-}
-
-
-# Assert that ELEMENT is not present in LIST.
-#
-rule not-in ( element : list * )
-{
- if $(element) in $(list)
- {
- errors.error-skip-frames 3 assertion failure: Did not expect
- \"$(element)\" in "[" \"$(list)\" "]" ;
- }
-}
-
-
-# Assert the inequality of A and B as sets.
-#
-rule not-set-equal ( a * : b * )
-{
- if [ set-equal-test $(a) : $(b) ]
- {
- errors.error-skip-frames 3 assertion failure: Expected "[" \"$(a)\" "]"
- and "[" \"$(b)\" "]" to not be equal as sets ;
- }
-}
-
-
-# Assert that A and B are not exactly equal, not ignoring trailing empty string
-# elements.
-#
-rule not-exact-equal ( a * : b * )
-{
- if [ exact-equal-test $(a) : $(b) ]
- {
- errors.error-skip-frames 3 assertion failure: \"$(a)\" "!=" \"$(b)\" ;
- }
-}
-
-
-# Assert that EXPECTED is the result of calling RULE-NAME with the given
-# arguments.
-#
-rule result ( expected * : rule-name args * : * )
-{
- local result ;
- module [ CALLER_MODULE ]
- {
- modules.poke assert : result : [ $(2) : $(3) : $(4) : $(5) : $(6) : $(7)
- : $(8) : $(9) ] ;
- }
-
- if ! [ exact-equal-test $(result) : $(expected) ]
- {
- errors.error-skip-frames 3 assertion failure: "[" $(rule-name) [
- errors.lol->list $(args) : $(3) : $(4) : $(5) : $(6) : $(7) : $(8) :
- $(9) ] "]" : Expected: "[" \"$(expected)\" "]" : Got: "["
- \"$(result)\" "]" ;
- }
-}
-
-
-# Assert that EXPECTED is set-equal (i.e. duplicates and ordering are ignored)
-# to the result of calling RULE-NAME with the given arguments. Note that rules
-# called this way may accept at most 8 parameters.
-#
-rule result-set-equal ( expected * : rule-name args * : * )
-{
- local result ;
- module [ CALLER_MODULE ]
- {
- modules.poke assert : result : [ $(2) : $(3) : $(4) : $(5) : $(6) : $(7)
- : $(8) : $(9) ] ;
- }
-
- if ! [ set-equal-test $(result) : $(expected) ]
- {
- errors.error-skip-frames 3 assertion failure: "[" $(rule-name) [
- errors.lol->list $(args) : $(3) : $(4) : $(5) : $(6) : $(7) : $(8) :
- $(9) ] "]" : Expected: "[" \"$(expected)\" "]" : Got: "["
- \"$(result)\" "]" ;
- }
-}
-
-
-# Assert the equality of A and B as sets.
-#
-rule set-equal ( a * : b * )
-{
- if ! [ set-equal-test $(a) : $(b) ]
- {
- errors.error-skip-frames 3 assertion failure: Expected "[" \"$(a)\" "]"
- and "[" \"$(b)\" "]" to be equal as sets ;
- }
-}
-
-
-# Assert that the result of calling RULE-NAME on the given arguments has a true
-# logical value (is neither an empty list nor all empty strings).
-#
-rule true ( rule-name args * : * )
-{
- local result ;
- module [ CALLER_MODULE ]
- {
- modules.poke assert : result : [ $(1) : $(2) : $(3) : $(4) : $(5) : $(6)
- : $(7) : $(8) : $(9) ] ;
- }
-
- if ! $(result)
- {
- errors.error-skip-frames 3 assertion failure: Expected true result from
- "[" $(rule-name) [ errors.lol->list $(args) : $(2) : $(3) : $(4) :
- $(5) : $(6) : $(7) : $(8) : $(9) ] "]" ;
- }
-}
-
-
-# Assert the exact equality of A and B, not ignoring trailing empty string
-# elements.
-#
-rule exact-equal ( a * : b * )
-{
- if ! [ exact-equal-test $(a) : $(b) ]
- {
- errors.error-skip-frames 3 assertion failure: \"$(a)\" "==" \"$(b)\" ;
- }
-}
-
-
-# Assert that the given variable is not an empty list.
-#
-rule variable-not-empty ( name )
-{
- local value = [ modules.peek [ CALLER_MODULE ] : $(name) ] ;
- if ! $(value)-is-not-empty
- {
- errors.error-skip-frames 3 assertion failure: Expected variable
- \"$(name)\" not to be an empty list ;
- }
-}
-
-
-rule __test__ ( )
-{
- # Helper rule used to avoid test duplication related to different list
- # equality test rules.
- #
- local rule run-equality-test ( equality-assert : ignore-trailing-empty-strings ? )
- {
- local not-equality-assert = not-$(equality-assert) ;
-
- # When the given equality test is expected to ignore trailing empty
- # strings some of the test results should be inverted.
- local not-equality-assert-i = not-$(equality-assert) ;
- if $(ignore-trailing-empty-strings)
- {
- not-equality-assert-i = $(equality-assert) ;
- }
-
- $(equality-assert) : ;
- $(equality-assert) "" "" : "" "" ;
- $(not-equality-assert-i) : "" "" ;
- $(equality-assert) x : x ;
- $(not-equality-assert) : x ;
- $(not-equality-assert) "" : x ;
- $(not-equality-assert) "" "" : x ;
- $(not-equality-assert-i) x : x "" ;
- $(equality-assert) x "" : x "" ;
- $(not-equality-assert) x : "" x ;
- $(equality-assert) "" x : "" x ;
-
- $(equality-assert) 1 2 3 : 1 2 3 ;
- $(not-equality-assert) 1 2 3 : 3 2 1 ;
- $(not-equality-assert) 1 2 3 : 1 5 3 ;
- $(not-equality-assert) 1 2 3 : 1 "" 3 ;
- $(not-equality-assert) 1 2 3 : 1 1 2 3 ;
- $(not-equality-assert) 1 2 3 : 1 2 2 3 ;
- $(not-equality-assert) 1 2 3 : 5 6 7 ;
-
- # Extra variables used here just to make sure Boost Jam or Boost Build
- # do not handle lists with empty strings differently depending on
- # whether they are literals or stored in variables.
-
- local empty = ;
- local empty-strings = "" "" ;
- local x-empty-strings = x "" "" ;
- local empty-strings-x = "" "" x ;
-
- $(equality-assert) : $(empty) ;
- $(not-equality-assert-i) "" : $(empty) ;
- $(not-equality-assert-i) "" "" : $(empty) ;
- $(not-equality-assert-i) : $(empty-strings) ;
- $(not-equality-assert-i) "" : $(empty-strings) ;
- $(equality-assert) "" "" : $(empty-strings) ;
- $(equality-assert) $(empty) : $(empty) ;
- $(equality-assert) $(empty-strings) : $(empty-strings) ;
- $(not-equality-assert-i) $(empty) : $(empty-strings) ;
- $(equality-assert) $(x-empty-strings) : $(x-empty-strings) ;
- $(equality-assert) $(empty-strings-x) : $(empty-strings-x) ;
- $(not-equality-assert) $(empty-strings-x) : $(x-empty-strings) ;
- $(not-equality-assert-i) x : $(x-empty-strings) ;
- $(not-equality-assert) x : $(empty-strings-x) ;
- $(not-equality-assert-i) x : $(x-empty-strings) ;
- $(not-equality-assert-i) x "" : $(x-empty-strings) ;
- $(equality-assert) x "" "" : $(x-empty-strings) ;
- $(not-equality-assert) x : $(empty-strings-x) ;
- $(not-equality-assert) "" x : $(empty-strings-x) ;
- $(equality-assert) "" "" x : $(empty-strings-x) ;
- }
-
-
- # ---------------
- # Equality tests.
- # ---------------
-
- run-equality-test equal : ignore-trailing-empty-strings ;
- run-equality-test exact-equal ;
-
-
- # -------------------------
- # assert.set-equal() tests.
- # -------------------------
-
- set-equal : ;
- not-set-equal "" "" : ;
- set-equal "" "" : "" ;
- set-equal "" "" : "" "" ;
- set-equal a b c : a b c ;
- set-equal a b c : b c a ;
- set-equal a b c a : a b c ;
- set-equal a b c : a b c a ;
- not-set-equal a b c : a b c d ;
- not-set-equal a b c d : a b c ;
-}
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