tests: add base_safe.nit for safe calls

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

diff --git a/tests/base_safe.nit b/tests/base_safe.nit
new file mode 100644 (file)
index 0000000..3e34c31
--- /dev/null
+++ b/tests/base_safe.nit
@@ -0,0 +1,51 @@
+# 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.
+
+import core::kernel
+
+class A
+       fun foo(i: Int) do
+               'F'.output
+               i.output
+       end
+
+       fun bar(i: Int): A do
+               'B'.output
+               i.output
+               return self
+       end
+end
+
+fun test(a: nullable A) do
+       'a'.output
+       (a == null).output
+       a?.foo(1)
+
+       var r = a?.bar(2)
+       'r'.output
+       (r == null).output
+
+       a?.bar(10)?.bar(11)?.foo(12)
+       #alt2#a.bar(20).foo(21)
+       #alt3#a?.bar(20).foo(21)
+       #alt4#a.bar(20)?.foo(21)
+end
+
+var a = new A
+test(a)
+'\n'.output
+test(null)
+
+#alt1#a?.foo(10)
+#alt1#null?.foo(11)

diff --git a/tests/sav/base_safe.res b/tests/sav/base_safe.res
new file mode 100644 (file)
index 0000000..622ceaa
--- /dev/null
+++ b/tests/sav/base_safe.res
@@ -0,0 +1,10 @@
+afalse
+F1
+B2
+rfalse
+B10
+B11
+F12
+
+atrue
+rtrue

diff --git a/tests/sav/base_safe_alt1.res b/tests/sav/base_safe_alt1.res
new file mode 100644 (file)
index 0000000..8512172
--- /dev/null
+++ b/tests/sav/base_safe_alt1.res
@@ -0,0 +1,2 @@
+alt/base_safe_alt1.nit:50,1--2: Warning: useless safe operator `?` on non-nullable value.
+alt/base_safe_alt1.nit:51,1--5: Error: safe operator `?` on `null`.

diff --git a/tests/sav/base_safe_alt2.res b/tests/sav/base_safe_alt2.res
new file mode 100644 (file)
index 0000000..f7df0a0
--- /dev/null
+++ b/tests/sav/base_safe_alt2.res
@@ -0,0 +1,13 @@
+Runtime error: Receiver is null (alt/base_safe_alt2.nit:40)
+afalse
+F1
+B2
+rfalse
+B10
+B11
+F12
+B20
+F21
+
+atrue
+rtrue

diff --git a/tests/sav/base_safe_alt3.res b/tests/sav/base_safe_alt3.res
new file mode 100644 (file)
index 0000000..f367bdd
--- /dev/null
+++ b/tests/sav/base_safe_alt3.res
@@ -0,0 +1,13 @@
+Runtime error: Receiver is null (alt/base_safe_alt3.nit:41)
+afalse
+F1
+B2
+rfalse
+B10
+B11
+F12
+B20
+F21
+
+atrue
+rtrue

diff --git a/tests/sav/base_safe_alt4.res b/tests/sav/base_safe_alt4.res
new file mode 100644 (file)
index 0000000..e0972a4
--- /dev/null
+++ b/tests/sav/base_safe_alt4.res
@@ -0,0 +1,14 @@
+alt/base_safe_alt4.nit:42,2--11: Warning: useless safe operator `?` on non-nullable value.
+Runtime error: Receiver is null (alt/base_safe_alt4.nit:42)
+afalse
+F1
+B2
+rfalse
+B10
+B11
+F12
+B20
+F21
+
+atrue
+rtrue