# HG changeset patch
# User Kai T. Ohlhus <k.ohlhus@gmail.com>
# Date 1400855317 -7200
# Node ID ff613b6a7b6f780b7197f2e2bbe5dbae81c409f9
# Parent  1f170b211be32e248115b3ec9faa1207cb9282e2
Add tests for empty value and correct alphanumerical value comparision of isequal (bug #42408).

* isequal.m: Add new #!tests.

diff -r 1f170b211be3 -r ff613b6a7b6f scripts/general/isequal.m
--- a/scripts/general/isequal.m	Tue May 27 14:15:08 2014 -0700
+++ b/scripts/general/isequal.m	Fri May 23 16:28:37 2014 +0200
@@ -33,53 +33,133 @@
 endfunction
 
 
+## test empty input
+%!assert (isequal ([], []), true)
+%!assert (isequal ([], [], 1), false)
+%!assert (isequal ([], 1, []), false)
+%!assert (isequal (1, [], []), false)
+%!assert (isequal (1, [], []), false)
+
 ## test size and shape
-%!assert (isequal ([1,2,3,4],[1,2,3,4]), true)
-%!assert (isequal ([1;2;3;4],[1;2;3;4]), true)
-%!assert (isequal ([1,2,3,4],[1;2;3;4]), false)
-%!assert (isequal ([1,2,3,4],[1,2;3,4]), false)
-%!assert (isequal ([1,2,3,4],[1,3;2,4]), false)
+%!assert (isequal ([1,2,3,4], [1,2,3,4]), true)
+%!assert (isequal ([1;2;3;4], [1;2;3;4]), true)
+%!assert (isequal ([1,2,3,4], [1;2;3;4]), false)
+%!assert (isequal ([1,2,3,4], [1,2;3,4]), false)
+%!assert (isequal ([1,2,3,4], [1,3;2,4]), false)
 
 %!test
 %! A = 1:8;
 %! B = reshape (A, 2, 2, 2);
 %! assert (isequal (A, B), false);
-
 %!test
 %! A = reshape (1:8, 2, 2, 2);
 %! B = A;
 %! assert (isequal (A, B), true);
-
 %!test
 %! A = reshape (1:8, 2, 4);
 %! B = reshape (A, 2, 2, 2);
 %! assert (isequal (A, B), false);
 
-## test for equality
-%!assert (isequal ([1,2,3,4],[1,2,3,4]), true)
-%!assert (isequal (['a','b','c','d'],['a','b','c','d']), true)
-## Test multi-line strings
-%!assert (isequal (["test";"strings"],["test";"strings"],["test";"strings"]), true)
-## test for inequality
-%!assert (isequal ([1,2,3,4],[1;2;3;4]), false)
-%!assert (isequal ({1,2,3,4},[1,2,3,4]), false)
-%!assert (isequal ([1,2,3,4],{1,2,3,4}), false)
-%!assert (isequal ([1,2,NaN,4],[1,2,NaN,4]), false)
-%!assert (isequal (['a','b','c','d'],['a';'b';'c';'d']), false)
-%!assert (isequal ({'a','b','c','d'},{'a';'b';'c';'d'}), false)
-## test for equality (struct)
-%!assert (isequal (struct ('a',1,'b',2),struct ('a',1,'b',2)), true)
-%!assert (isequal (struct ('a',1,'b',2),struct ('a',1,'b',2),struct ('a',1,'b',2)), true)
-%!assert (isequal (struct ('a',"abc",'b',2),struct ('a',"abc",'b',2)), true)
-## test for inequality (struct)
-%!assert (isequal (struct ('a',NaN,'b',2),struct ('a',NaN,'b',2),struct ('a',NaN,'b',2)), false)
+## test all numeric built-in primitives
+%!assert (isequal (false, logical (0), char (0),
+%!                 int8 (0), int16 (0), int32 (0), int64 (0),
+%!                 uint8 (0), uint16 (0), uint32 (0), uint64 (0),
+%!                 double (0), single (0),
+%!                 double (complex (0,0)), single (complex (0,0))),
+%!        true)
+%!assert (isequal (true, logical (1), char (1), 
+%!                 int8 (1), int16 (1), int32 (1), int64 (1), 
+%!                 uint8 (1), uint16 (1), uint32 (1), uint64 (1), 
+%!                 double (1), single (1),
+%!                 double (complex (1,0)), single (complex (1,0))),
+%!        true)
+
+## test characters and strings
+%!assert (isequal ('a', "a"), true)
+%!assert (isequal ("abab", ["a", "b", "a", "b"]), true)
+%!assert (isequal (["a","b","c","d"], ["a","b","c","d"]), true)
+%!assert (isequal (["test   ";"strings"], ["test   ";"strings"],
+%!                 ["test   ";"strings"]), true)
+%!assert (isequal (["a","b","c","d"], ["a";"b";"c";"d"]), false)
+
+## test function_handle
+%!test
+%! fcn = @(x) x.^2;
+%! assert (isequal (fcn, fcn), true);
+%! assert (isequal (fcn, @(x) x.^2), false);
+%! assert (isequal (@(x) x.^2, fcn), false);
+
+## test structures
+%!assert (isequal (struct ([]),struct ([])), true)
+%!assert (isequal (struct ("a",1), struct ("a",1)), true)
+%!assert (isequal (struct ("a",1), struct ("a",2)), false)
+%!assert (isequal (struct ("a",1), struct ("b",1)), false)
+%!assert (isequal (struct ("a",1,"b",2), struct ("a",1,"b",2)), true)
+%!assert (isequal (struct ("a",1,"b",2), struct ("b",2,"a",1)), true)
+%!assert (isequal (struct ("a",1,"b",2), struct ("a",1,"b",2),
+%!                 struct ("a",1,"b",2)), true)
+%!assert (isequal (struct ("a","abc","b",2), struct ("a","abc","b",2)), true)
+
+## recursive structure
+%!test  
+%! x.a = "a1";
+%! x.b.a = "ba1";
+%! x.b.b = "bb1";
+%! assert (isequal (x, x, x), true);
+%! y = x;
+%! y.b.b = "bb2";
+%! assert (isequal (x, y), false);
+%! y = x;
+%! y.b = rmfield (y.b, "b");
+%! y.b.b.a = "bba1";
+%! assert (isequal (x, y), false);
+
+## test cells
+%!assert (isequal (cell (1,1), cell (1,1)), true)
+%!assert (isequal (cell (1,1), cell (1,2)), false)
+%!assert (isequal ({"a",1}, {"a",1}), true)
+%!assert (isequal ({"a",1}, {"a",2}), false)
+%!assert (isequal ({"a",1}, {"b",1}), false)
+%!assert (isequal ({"a",1,"b",2}, {"a",1,"b",2}), true)
+%!assert (isequal ({"a",1,"b",2}, {"b",2,"a",1}), false)
+%!assert (isequal ({"a",1,"b",2}, {"a",1,"b",2}, {"a",1,"b",2}), true)
+%!assert (isequal ({"a","abc","b",2}, {"a","abc","b",2}), true)
+%!assert (isequal ({"a","b","c","d"}, {"a","b","c","d"}), true)
+%!assert (isequal ({"a","b","c","d"}, {"a";"b";"c";"d"}), false)
+%!assert (isequal (["a","b","c","d"], {"a","b","c","d"}), false)
+
+## recursive cell
+%!test
+%! x = cell (1,3);
+%! x{1} = {[1], [1 2]};
+%! x{2} = true;
+%! x{3} = {{"hello"}, {"world"}};
+%! assert (isequal (x, x));
+%! y = x;
+%! y{3}{1}{1} = "goodbye";
+%! assert (isequal (x, y), false);
 
 ## test for sparse matrices
+%!assert (isequal (sparse ([]), []), true)
+%!assert (isequal ([], sparse ([])), true)
 %!assert (isequal (sparse (0,1), sparse (0,1)), true)
+%!assert (isequal (sparse (0,1), zeros (0,1)), true)
+%!assert (isequal (sparse (2,2), sparse (2,2)), true)
+%!assert (isequal (zeros (2,2), sparse (2,2)), true)
+%!assert (isequal (speye (1), eye (1)), true)
+%!assert (isequal (eye (300), speye (300)), true)
 %!assert (isequal (sparse (0,1), sparse (1,0)), false)
-%!assert (isequal (sparse (2, 2), sparse (2, 2)), true)
 
-## Input validation
+## test NaN
+%!assert (isequal (NaN, NaN), false)
+%!assert (isequal (NaN, Inf), false)
+%!assert (isequal (NaN, 1.0), false)
+%!assert (isequal ([1,2,NaN,4], [1,2,NaN,4]), false)
+%!assert (isequal (struct ("a",NaN,"b",2), struct ("a",NaN,"b",2), 
+%!                 struct ("a",NaN,"b",2)), false)
+
+## test input validation
 %!error isequal ()
 %!error isequal (1)
+%!error isequal ([1,1])
 
diff -r 1f170b211be3 -r ff613b6a7b6f scripts/general/isequaln.m
--- a/scripts/general/isequaln.m	Tue May 27 14:15:08 2014 -0700
+++ b/scripts/general/isequaln.m	Fri May 23 16:28:37 2014 +0200
@@ -36,13 +36,14 @@
 
 
 ## test for equality
-%!assert (isequaln ({1,2,NaN,4},{1,2,NaN,4}), true)
-%!assert (isequaln ([1,2,NaN,4],[1,2,NaN,4]), true)
+%!assert (isequaln ({1,2,NaN,4}, {1,2,NaN,4}), true)
+%!assert (isequaln ([1,2,NaN,4], [1,2,NaN,4]), true)
 ## test for inequality
-%!assert (isequaln ([1,2,NaN,4],[1,NaN,3,4]), false)
-%!assert (isequaln ([1,2,NaN,4],[1,2,3,4]), false)
+%!assert (isequaln ([1,2,NaN,4], [1,NaN,3,4]), false)
+%!assert (isequaln ([1,2,NaN,4], [1,2,3,4]), false)
 ## test for equality (struct)
-%!assert (isequaln (struct ('a',NaN,'b',2),struct ('a',NaN,'b',2),struct ('a',NaN,'b',2)), true)
+%!assert (isequaln (struct ("a",NaN,"b",2), struct ("a",NaN,"b",2),
+%!                  struct ("a",NaN,"b",2)), true)
 %!assert (isequaln (1,2,1), false)
 
 ## Input validation