moving tests to CE

2026-09-18 09:34:34 +07:00 · 2009-09-25 20:42:06 +04:00
parent 64ecc03e67
commit 39c67da336
138 changed files with 12 additions and 5 deletions
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems>
+  <problem>
+    <file>Test.java</file>
+    <line>18</line>
+    <description>Argument 'obj' might be null</description>
+  </problem>
+  <problem>
+    <file>Test.java</file>
+    <line>39</line>
+    <description>Argument 'obj' might be null</description>
+  </problem>
+</problems>
@@ -0,0 +1,51 @@
+import org.jetbrains.annotations.*;
+
+public class TestNullableIntervening   // See http://www.jetbrains.net/jira/browse/IDEA-2845
+{
+    @Nullable Object obj;
+
+    public TestNullableIntervening(final @Nullable Object obj) {
+        this.obj = obj;
+    }
+
+    void foo() {}
+    void notnull(@NotNull Object arg) {}
+
+    void test1() {
+        if (obj != null) {
+            // Method intervening, might change obj; should have warning (OK)
+            foo();
+            notnull(obj);
+        }
+    }
+
+    void test2() {
+        if (obj != null) {
+            // Simple assignment intervening, no method calls and nothing
+            // involving obj...
+            // Should be no warning, but there is
+            int x = 10;
+            notnull(obj);
+        }
+    }
+
+    void test3() {
+        if (obj != null) {
+            // Constructor call intervening; for all we know, this could
+            // change obj through some strange interaction (constructor
+            // calls static method which has access to this object which
+            // then changes obj). Should be a warning (OK).
+            TestNullableIntervening obj2 = new TestNullableIntervening(null);
+            notnull(obj);
+        }
+    }
+
+    void test4() {
+        if (obj != null) {
+            // Array construction cannot change other objects
+            // Should be no warning, but there is
+            Object[] arr = new Object[5];
+            notnull(obj);
+        }
+    }
+}