From a8485fc02cee4733fe9e2913509281618808249e Mon Sep 17 00:00:00 2001
From: Luke Imhoff <Kronic.Deth@gmail.com>
Date: Sun, 23 Jul 2017 21:51:42 -0500
Subject: [PATCH] Failing regression test for #659

---
 .../reference/callable/issue_659/is.ex        |  4 ++
 .../reference/callable/Issue659Test.java      | 41 +++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 testData/org/elixir_lang/reference/callable/issue_659/is.ex
 create mode 100644 tests/org/elixir_lang/reference/callable/Issue659Test.java

diff --git a/testData/org/elixir_lang/reference/callable/issue_659/is.ex b/testData/org/elixir_lang/reference/callable/issue_659/is.ex
new file mode 100644
index 000000000..d2dbfa2f4
--- /dev/null
+++ b/testData/org/elixir_lang/reference/callable/issue_659/is.ex
@@ -0,0 +1,4 @@
+defmodule One do
+  @two %{}
+  @two[three<caret>]
+end
diff --git a/tests/org/elixir_lang/reference/callable/Issue659Test.java b/tests/org/elixir_lang/reference/callable/Issue659Test.java
new file mode 100644
index 000000000..b255b3a7a
--- /dev/null
+++ b/tests/org/elixir_lang/reference/callable/Issue659Test.java
@@ -0,0 +1,41 @@
+package org.elixir_lang.reference.callable;
+
+import com.intellij.psi.PsiElement;
+import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
+import org.elixir_lang.psi.call.Call;
+
+import static org.elixir_lang.reference.Callable.isParameter;
+import static org.elixir_lang.reference.Callable.isVariable;
+
+public class Issue659Test extends LightCodeInsightFixtureTestCase {
+    /*
+     * Tests
+     */
+
+    public void testIs() {
+        myFixture.configureByFiles("is.ex");
+        PsiElement callable = myFixture
+                .getFile()
+                .findElementAt(myFixture.getCaretOffset())
+                .getPrevSibling();
+
+        assertInstanceOf(callable, Call.class);
+        assertFalse(
+                "unresolvable no argument call in at bracket operation is incorrectly marked as a parameter",
+                isParameter(callable)
+        );
+        assertFalse(
+                "unresolvable no argument call in at bracket operation is incorrectly marked as a variable",
+                isVariable(callable)
+        );
+    }
+
+    /*
+     * Protected Instance Methods
+     */
+
+    @Override
+    protected String getTestDataPath() {
+        return "testData/org/elixir_lang/reference/callable/issue_659";
+    }
+}