tests: Add more tests for better coverage

More tests for out-of-memory and other edge conditions

git-svn-id: https://pugixml.googlecode.com/svn/trunk@1075 99668b35-9821-0410-8761-19e4c4f06640

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/test_document.cpp b/tests/test_document.cpp
index c76f671..2cc39a6 100644
--- a/tests/test_document.cpp
+++ b/tests/test_document.cpp
@@ -227,6 +227,34 @@ TEST(document_load_stream_nonseekable_large)
     CHECK(doc.load(in));
     CHECK_NODE(doc, str.c_str());
 }
+
+TEST(document_load_stream_nonseekable_out_of_memory)
+{
+    char contents[] = "<node />";
+    char_array_buffer<char> buffer(contents, contents + sizeof(contents) / sizeof(contents[0]));
+    std::istream in(&buffer);
+
+    test_runner::_memory_fail_threshold = 1;
+
+    pugi::xml_document doc;
+    CHECK(doc.load(in).status == status_out_of_memory);
+}
+
+TEST(document_load_stream_nonseekable_out_of_memory_large)
+{
+	std::basic_string<pugi::char_t> str;
+	str += STR("<node>");
+	for (int i = 0; i < 10000; ++i) str += STR("<node />");
+	str += STR("</node>");
+
+    char_array_buffer<pugi::char_t> buffer(&str[0], &str[0] + str.length());
+    std::basic_istream<pugi::char_t> in(&buffer);
+
+    test_runner::_memory_fail_threshold = 10000 * 8 * 3 / 2;
+
+    pugi::xml_document doc;
+    CHECK(doc.load(in).status == status_out_of_memory);
+}
 #endif
 
 TEST(document_load_string)
@@ -295,6 +323,17 @@ TEST(document_load_file_wide_ascii)
 	CHECK_NODE(doc, STR("<node />"));
 }
 
+TEST(document_load_file_wide_out_of_memory)
+{
+	test_runner::_memory_fail_threshold = 1;
+
+	pugi::xml_document doc;
+
+	pugi::xml_parse_result result = doc.load_file(L"tests/data/small.xml");
+
+	CHECK(result.status == status_out_of_memory || result.status == status_file_not_found);
+}
+
 TEST_XML(document_save, "<node/>")
 {
 	xml_writer_string writer;