Merge branch 'fix_tables_with_nulls' of https://github.com/gphilipp/cucumber-jvm into gphilipp-fix_tables_with_nulls

Author: aslakhellesoy

core/src/test/java/cucumber/table/ToDataTableTest.java

@@ -42,6 +42,17 @@ public void converts_list_of_beans_to_table() {
                 "", table.toString());
     }
 
+    @Test
+    public void converts_list_of_beans_with_null_to_table() {
+        List<UserPojo> users = tc.toList(UserPojo.class, personTableWithNull());
+        DataTable table = tc.toTable(users);
+        assertEquals("" +
+                "      | credits | name        | birthDate  |\n" +
+                "      | 1,000   | Sid Vicious |            |\n" +
+                "      | 3,000   | Frank Zappa | 21/12/1940 |\n" +
+                "", table.toString());
+    }
+
     @Test
     public void gives_a_nice_error_message_when_field_is_missing() {
         try {
@@ -102,6 +113,14 @@ private DataTable personTable() {
                 "");
     }
 
+    private DataTable personTableWithNull() {
+        return TableParser.parse("" +
+                "| name        | birthDate  | credits  |\n" +
+                "| Sid Vicious |            | 1,000    |\n" +
+                "| Frank Zappa | 21/12/1940 | 3,000    |\n" +
+                "");
+    }
+
     @Test
     public void converts_list_of_single_value_to_table() {
         List<? extends List<? extends Number>> lists = asList(asList(0.5, 1.5), asList(99.0, 1000.5));