7 files changed, 91 insertions, 0 deletions
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/InstanceVariableReferenced.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/InstanceVariableReferenced.java
new file mode 100644
index 000000000000..f72c45f2f395
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/InstanceVariableReferenced.java
@@ -0,0 +1,16 @@
+public class InstanceVariableReferenced {
+
+  private static Object example;
+  private String s = "yes";
+
+  public Object getInstance() {
+    if (example == null) {
+      example<caret> = getString(s);
+    }
+    return example
+  }
+
+  private static String getString(String s) {
+    return new String(s);
+  }
+}
+\ No newline at end of file
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/LocalVariableReferenced.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/LocalVariableReferenced.java
new file mode 100644
index 000000000000..929994a18ffe
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/LocalVariableReferenced.java
@@ -0,0 +1,11 @@
+public class LocalVariableReferenced {
+
+  private static Object o;
+
+  public static Object getInstance(int i) {
+    if (o == null) {
+      o<caret> = "" + i;
+    }
+    return o;
+  }
+}
+\ No newline at end of file
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/NestedAssignment.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/NestedAssignment.java
new file mode 100644
index 000000000000..89f229fbd3f0
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/NestedAssignment.java
@@ -0,0 +1,12 @@
+public class NestedAssignment {
+
+  private static Object o;
+
+  public static Object getInstance() {
+    Object local = null;
+    if (o == null) {
+      local = o<caret> = new Object();
+    }
+    return o;
+  }
+}
+\ No newline at end of file
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/Normal.after.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/Normal.after.java
new file mode 100644
index 000000000000..c4eefd2315d1
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/Normal.after.java
@@ -0,0 +1,10 @@
+public class Normal {
+
+    private static class ExampleHolder {
+        private static final Object example = new Object();
+    }
+
+    public static Object getInstance() {
+        return ExampleHolder.example
+    }
+}
+\ No newline at end of file
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/Normal.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/Normal.java
new file mode 100644
index 000000000000..44587c1653bc
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/Normal.java
@@ -0,0 +1,10 @@
+public class Normal {
+    private static Object example;
+
+    public static Object getInstance() {
+        if (example == null) {
+            example<caret> = new Object();
+        }
+        return example
+    }
+}
+\ No newline at end of file
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/StaticVariableReferenced.after.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/StaticVariableReferenced.after.java
new file mode 100644
index 000000000000..0120971b7081
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/StaticVariableReferenced.after.java
@@ -0,0 +1,16 @@
+public class StaticVariableReferenced {
+
+    private static String s = "yes";
+
+    private static class ExampleHolder {
+        private static final Object example = getString(s);
+    }
+
+    public static Object getInstance() {
+        return ExampleHolder.example
+  }
+
+  private static String getString(String s) {
+    return new String(s);
+  }
+}
+\ No newline at end of file
diff --git a/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/StaticVariableReferenced.java b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/StaticVariableReferenced.java
new file mode 100644
index 000000000000..a13113785c0d
--- /dev/null
+++ b/plugins/InspectionGadgets/test/com/siyeh/igfixes/threading/non_thread_safe_lazy_initialization/StaticVariableReferenced.java
@@ -0,0 +1,16 @@
+public class StaticVariableReferenced {
+
+  private static Object example;
+  private static String s = "yes";
+
+  public static Object getInstance() {
+    if (example == null) {
+      example<caret> = getString(s);
+    }
+    return example
+  }
+
+  private static String getString(String s) {
+    return new String(s);
+  }
+}
+\ No newline at end of file