lib: Array::== do not return false if the dynamic types of the arrays differ

This modification is in fact useless for the current compiler that has
wrong dynamic types but is required by the new interpreter.

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/standard/collection/array.nit b/lib/standard/collection/array.nit
index f9ed504..4def87b 100644 (file)
--- a/lib/standard/collection/array.nit
+++ b/lib/standard/collection/array.nit
@@ -141,7 +141,7 @@ abstract class AbstractArrayRead[E]
        # Two arrays are equals if they have the same items in the same order.
        redef fun ==(o)
        do
-               if not o isa AbstractArray[E] or o is null then return false
+               if not o isa AbstractArray[nullable Object] or o is null then return false
                var l = length
                if o.length != l then return false
                var i = 0

diff --git a/tests/sav/test_array_eq.sav b/tests/sav/test_array_eq.sav
new file mode 100644 (file)
index 0000000..b979d62
--- /dev/null
+++ b/tests/sav/test_array_eq.sav
@@ -0,0 +1,3 @@
+true
+true
+true

diff --git a/tests/test_array_eq.nit b/tests/test_array_eq.nit
new file mode 100644 (file)
index 0000000..0958380
--- /dev/null
+++ b/tests/test_array_eq.nit
@@ -0,0 +1,25 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+var a = ["a"]
+var b = new Array[Object]
+b.add("a")
+print a == b
+
+b.add("c")
+print a != b
+
+var c = new List[String]
+c.add("a")
+print a != b