/usr/share/boost-build/util/assert.jam is in libboost1.46-dev 1.46.1-7ubuntu3.
This file is owned by root:root, with mode 0o644.
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# 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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