From: jurko.gospodnetic_at_[hidden]
Date: 2008-06-08 18:10:54
Author: jurko
Date: 2008-06-08 18:10:54 EDT (Sun, 08 Jun 2008)
New Revision: 46262
URL: http://svn.boost.org/trac/boost/changeset/46262
Log:
Added internal Boost Build unit tests making sure its equality tests work as expected. Used tests to explicitly document the standard Boost Jam = && != operator behaviour with ignoring trailing empty strings.
Text files modified:
trunk/tools/build/v2/util/assert.jam | 75 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 75 insertions(+), 0 deletions(-)
Modified: trunk/tools/build/v2/util/assert.jam
==============================================================================
--- trunk/tools/build/v2/util/assert.jam (original)
+++ trunk/tools/build/v2/util/assert.jam 2008-06-08 18:10:54 EDT (Sun, 08 Jun 2008)
@@ -244,6 +244,81 @@
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.
# -------------------------