added unit test for json parser

lib/webfuse_provider/impl/json/doc.c

@@ -16,6 +16,11 @@ wfp_impl_json_parse_value(
     struct wfp_json_reader * reader,
     struct wfp_json * json);
 
+static bool
+wfp_impl_json_parse_null(
+    struct wfp_json_reader * reader,
+    struct wfp_json * json);
+
 static bool
 wfp_impl_json_parse_true(
     struct wfp_json_reader * reader,
@@ -92,6 +97,8 @@ wfp_impl_json_parse_value(
 
     switch (c)
     {
+        case 'n':
+            return wfp_impl_json_parse_null(reader, json);
         case 't':
             return wfp_impl_json_parse_true(reader, json);
         case 'f':
@@ -116,6 +123,20 @@ wfp_impl_json_parse_value(
     }
 }
 
+static bool
+wfp_impl_json_parse_null(
+    struct wfp_json_reader * reader,
+    struct wfp_json * json)
+{
+    bool const result = wfp_impl_json_reader_read_const(reader, "ull", 3);
+    if (result)
+    {
+        json->type = WFP_JSON_NULL;
+    }
+
+    return result;
+}
+
 static bool
 wfp_impl_json_parse_true(
     struct wfp_json_reader * reader,

test/webfuse_provider/json/test_json_parser.cc

@@ -11,6 +11,17 @@ namespace
     }
 }
 
+TEST(json_parser, parse_null)
+{
+    char text[] = "null";
+    wfp_json_doc * doc = parse_json(text);
+    ASSERT_NE(nullptr, doc);
+    wfp_json const * root = wfp_impl_json_doc_root(doc);
+    ASSERT_TRUE(wfp_impl_json_is_null(root));
+
+    wfp_impl_json_doc_dispose(doc);
+}
+
 TEST(json_parser, parse_true)
 {
     char text[] = "true";
@@ -107,7 +118,19 @@ TEST(json_parser, parse_object)
 TEST(json_parser, parse_fail_invalid_json)
 {
     {
-        char text[] = "True";
+        char text[] = "invalid";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "nul";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "tru";
         wfp_json_doc * doc = parse_json(text);
         ASSERT_EQ(nullptr, doc);
     }
@@ -124,6 +147,24 @@ TEST(json_parser, parse_fail_invalid_json)
         ASSERT_EQ(nullptr, doc);
     }
 
+    {
+        char text[] = "[1 2 3]";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "[1,2,3";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "[1,2,]";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
     {
         char text[] = "{\"method\":\"add\",\"params\":[1,2],\"id\":42";
         wfp_json_doc * doc = parse_json(text);
@@ -136,4 +177,34 @@ TEST(json_parser, parse_fail_invalid_json)
         ASSERT_EQ(nullptr, doc);
     }
 
+    {
+        char text[] = "{\"key\" \"value\"}";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "{\"key\": }";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "{\"key\": \"value\"";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "{\"key\" \"value\"]";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
+    {
+        char text[] = "{\"key\": \"value\", }";
+        wfp_json_doc * doc = parse_json(text);
+        ASSERT_EQ(nullptr, doc);
+    }
+
 }