tests: base_nullable.nit and base_eq_null_notnull.nit

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

diff --git a/tests/base_eq_null_notnull.nit b/tests/base_eq_null_notnull.nit
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--- /dev/null
+++ b/tests/base_eq_null_notnull.nit
@@ -0,0 +1,47 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2009 Jean Privat <jean@pryen.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.
+
+import end
+
+class Object
+       meth ==(o: nullable Object): Bool do return self is o
+       meth !=(o: nullable Object): Bool do return not (self == o)
+       meth output is intern
+end
+
+class Bool
+       redef meth output is intern
+end
+
+class A
+end
+
+var a = new A
+var b: nullable A = new A
+
+(a == a).output
+(not a == b).output
+(not a == null).output
+(not b == a).output
+(b == b).output
+(not b == null).output
+
+(not a != a).output
+(a != b).output
+(a != null).output
+(b != a).output
+(not b != b).output
+(b != null).output

diff --git a/tests/base_nullable.nit b/tests/base_nullable.nit
new file mode 100644 (file)
index 0000000..12c36b9
--- /dev/null
+++ b/tests/base_nullable.nit
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+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2009 Jean Privat <jean@pryen.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.
+
+import kernel
+
+class A
+       attr _i: Int
+       init (i: Int) do _i = i
+       redef meth output do _i.output
+end
+
+var a: A
+var na: nullable A
+var o: Object
+var no: nullable Object
+
+var a: A = new A(1)
+var na: nullable A = new A(2)
+var o: Object = new A(3)
+var no: nullable Object = new A(4)
+
+var a1: A = a
+#alt1#var a2: A = na
+#alt2#var a3: A = o
+#alt3#var a4: A = no
+var na1: nullable A = na
+var na2: nullable A = a
+#alt4#var na3: nullable A = o
+#alt5#var na4: nullable A = no
+var o1: Object = a
+#alt6#var o2: Object = na
+var o3: Object = o
+#alt7#var o4: Object = no
+var no1: nullable Object = a
+var no2: nullable Object = na
+var no3: nullable Object = o
+var no4: nullable Object = no
+#alt8# var na5: nullable A = new nullable A(4)
+
+#alt9#var a6: A = null
+var na6: nullable A = null
+#alt10#var o6: Object = null
+var no6: nullable Object = null
+

diff --git a/tests/sav/base_eq_null_notnull.sav b/tests/sav/base_eq_null_notnull.sav
new file mode 100644 (file)
index 0000000..41a85bf
--- /dev/null
+++ b/tests/sav/base_eq_null_notnull.sav
@@ -0,0 +1,12 @@
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true
+true

diff --git a/tests/sav/base_nullable.sav b/tests/sav/base_nullable.sav
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/tests/sav/base_nullable_alt1.sav b/tests/sav/base_nullable_alt1.sav
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/tests/sav/base_nullable_alt2.sav b/tests/sav/base_nullable_alt2.sav
new file mode 100644 (file)
index 0000000..ecb4861
--- /dev/null
+++ b/tests/sav/base_nullable_alt2.sav
@@ -0,0 +1 @@
+alt/base_nullable_alt2.nit:37,13--13: Type error: expected A, got Object

diff --git a/tests/sav/base_nullable_alt3.sav b/tests/sav/base_nullable_alt3.sav
new file mode 100644 (file)
index 0000000..aa339a1
--- /dev/null
+++ b/tests/sav/base_nullable_alt3.sav
@@ -0,0 +1 @@
+alt/base_nullable_alt3.nit:38,13--14: Type error: expected A, got nullable Object

diff --git a/tests/sav/base_nullable_alt4.sav b/tests/sav/base_nullable_alt4.sav
new file mode 100644 (file)
index 0000000..e65bb22
--- /dev/null
+++ b/tests/sav/base_nullable_alt4.sav
@@ -0,0 +1 @@
+alt/base_nullable_alt4.nit:41,23--23: Type error: expected nullable A, got Object

diff --git a/tests/sav/base_nullable_alt5.sav b/tests/sav/base_nullable_alt5.sav
new file mode 100644 (file)
index 0000000..50b3d9f
--- /dev/null
+++ b/tests/sav/base_nullable_alt5.sav
@@ -0,0 +1 @@
+alt/base_nullable_alt5.nit:42,23--24: Type error: expected nullable A, got nullable Object

diff --git a/tests/sav/base_nullable_alt6.sav b/tests/sav/base_nullable_alt6.sav
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/tests/sav/base_nullable_alt7.sav b/tests/sav/base_nullable_alt7.sav
new file mode 100644 (file)
index 0000000..e69de29

diff --git a/tests/sav/base_nullable_alt8.sav b/tests/sav/base_nullable_alt8.sav
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index 0000000..e69de29