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[SVN r35141]
This commit is contained in:
Dave Abrahams
2006-09-17 02:42:51 +00:00
parent 326c871224
commit 38f7a4e9b6
1 changed files with 25 additions and 13 deletions
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38
test/slice.cpp
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@@ -1,5 +1,6 @@
#include <boost/python.hpp>
#include <boost/python/slice.hpp>
#include <boost/python/str.hpp>
#include <vector>
// Copyright (c) 2004 Jonathan Brandmeyer
@@ -9,6 +10,10 @@
using namespace boost::python;
#if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x580))
# define make_tuple boost::python::make_tuple
#endif
// These checks are only valid under Python 2.3
// (rich slicing wasn't supported for builtins under Python 2.2)
bool check_string_rich_slice()
@@ -39,8 +44,16 @@ bool check_string_rich_slice()
return s[slice(2,-1)][slice(1,-1)] == "lo, wor";
}
// Tried to get more info into the error message (actual array
// contents) but Numeric complains that treating an array as a boolean
// value doesn't make any sense.
#define ASSERT_EQUAL( e1, e2 ) \
if ((e1) != (e2)) \
return str("assertion failed: " #e1 " == " #e2 "\nLHS:\n") /*+ str(e1) + "\nRHS:\n" + str(e2)*/; \
else
// These tests work with Python 2.2, but you must have Numeric installed.
bool check_numeric_array_rich_slice()
object check_numeric_array_rich_slice()
{
using numeric::array;
array original = array( make_tuple( make_tuple( 11, 12, 13, 14),
@@ -60,22 +73,21 @@ bool check_numeric_array_rich_slice()
// The following comments represent equivalent Python expressions used
// to validate the array behavior.
// original[::] == original
if (original[slice()] != original)
return false;
ASSERT_EQUAL(original[slice()],original);
// original[:2,:2] == array( [[11, 12], [21, 22]])
if (original[make_tuple(slice(_,2), slice(_,2))] != upper_left_quadrant)
return false;
ASSERT_EQUAL(original[make_tuple(slice(_,2), slice(_,2))],upper_left_quadrant);
// original[::2,::2] == array( [[11, 13], [31, 33]])
if (original[make_tuple( slice(_,_,2), slice(_,_,2))] != odd_cells)
return false;
ASSERT_EQUAL(original[make_tuple( slice(_,_,2), slice(_,_,2))],odd_cells);
// original[1::2, 1::2] == array( [[22, 24], [42, 44]])
if (original[make_tuple( slice(1,_,2), slice(1,_,2))] != even_cells)
return false;
// original[:-3:-1, :-3,-1] == array( [[44, 43], [34, 33]])
if (original[make_tuple( slice(_,-3,-1), slice(_,-3,-1))] != lower_right_quadrant_reversed)
return false;
ASSERT_EQUAL(original[make_tuple( slice(1,_,2), slice(1,_,2))],even_cells);
return true;
// original[:-3:-1, :-3,-1] == array( [[44, 43], [34, 33]])
ASSERT_EQUAL(original[make_tuple( slice(_,-3,-1), slice(_,-3,-1))],lower_right_quadrant_reversed);
return str(1);
}
// Verify functions accepting a slice argument can be called