Toml#getTables() returns null for missing keys and indices

src/main/java/com/moandjiezana/toml/Toml.java

@@ -300,6 +300,10 @@ public class Toml {
       current = ((Map<String, Object>) current).get(k.name);
 
       if (k.index > -1 && current != null) {
+        if (k.index >= ((List<?>) current).size()) {
+          return null;
+        }
+        
         current = ((List<?>) current).get(k.index);
       }
 

src/test/java/com/moandjiezana/toml/TableArrayTest.java

@@ -74,13 +74,6 @@ public class TableArrayTest {
     assertEquals(3, toml.getTable("a").getTable("b").getTables("c").get(0).getLong("id").intValue());
   }
 
-  @Test
-  public void should_return_null_for_missing_table_array() throws Exception {
-    List<Toml> tomls = new Toml().parse("[a]").getTables("b");
-
-    assertNull(tomls);
-  }
-
   @Test
   public void should_navigate_array_with_compound_key() throws Exception {
     Toml toml = new Toml().parse(file("fruit_table_array"));
@@ -94,6 +87,28 @@ public class TableArrayTest {
     assertEquals("granny smith", appleVariety.getString("name"));
     assertEquals("plantain", bananaVariety);
   }
+
+  @Test
+  public void should_return_null_for_missing_table_array() throws Exception {
+    Toml toml = new Toml().parse("[a]");
+    
+    assertNull(toml.getTables("b"));
+  }
+
+  @Test
+  public void should_return_null_for_missing_table_array_with_index() throws Exception {
+    Toml toml = new Toml();
+    
+    assertNull(toml.getTable("a[0]"));
+    assertNull(toml.getString("a[0].c"));
+  }
+
+  @Test
+  public void should_return_null_for_index_out_of_bounds() throws Exception {
+    Toml toml = new Toml().parse("[[a]]\n  c = 1");
+    
+    assertNull(toml.getTable("a[1]"));
+  }
   
   @Test(expected = IllegalStateException.class)
   public void should_fail_on_empty_table_array_name() {

src/test/java/com/moandjiezana/toml/TableTest.java

@@ -69,10 +69,8 @@ public class TableTest {
     Toml toml = new Toml();
     
     assertNull(toml.getString("a.b"));
-    assertNull(toml.getString("a.b[0].c"));
     assertNull(toml.getList("a.b"));
     assertNull(toml.getTable("a.b"));
-    assertNull(toml.getTable("a.b[0]"));
   }
 
   @Test