diff --git a/test/libdnf5/iniparser/test_iniparser.cpp b/test/libdnf5/iniparser/test_iniparser.cpp
index 4acecd94e..12f66c22d 100644
--- a/test/libdnf5/iniparser/test_iniparser.cpp
+++ b/test/libdnf5/iniparser/test_iniparser.cpp
@@ -162,3 +162,94 @@ key1 = value1)**";
 
     parse_and_check_results(ini_file_content, expected_items);
 }
+
+
+void IniparserTest::test_iniparser_missing_section_header() {
+    const std::string ini_file_content = "# Test comment1\nkey1 = value1";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"},
+        {ItemType::KEY_VAL, "", "key1", "value1", "key1 = value1\n"}};
+
+    CPPUNIT_ASSERT_THROW(
+        parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserMissingSectionHeaderError);
+}
+
+
+void IniparserTest::test_iniparser_missing_bracket() {
+    const std::string ini_file_content =
+        R"**(
+# Test comment1
+[section1
+key1 = value1
+)**";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::EMPTY_LINE, "", "", "", "\n"},
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"},
+        {ItemType::SECTION, "section1", "", "", "[section1\n"}};
+
+    CPPUNIT_ASSERT_THROW(
+        parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserMissingBracketError);
+}
+
+
+void IniparserTest::test_iniparser_empty_section_name() {
+    const std::string ini_file_content = "# Test comment1\n[] # Test\nkey1 = value1";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"}, {ItemType::SECTION, "", "", "", "[] # Test\n"}};
+
+    CPPUNIT_ASSERT_THROW(
+        parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserEmptySectionNameError);
+}
+
+
+void IniparserTest::test_iniparser_text_after_section() {
+    const std::string ini_file_content = "# Test comment1\n[section1] Test\nkey1 = value1";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"},
+        {ItemType::SECTION, "section1", "", "", "[section1] Test\n"}};
+
+    CPPUNIT_ASSERT_THROW(
+        parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserTextAfterSectionError);
+}
+
+
+void IniparserTest::test_iniparser_illegal_continuation_line() {
+    const std::string ini_file_content = "# Test comment1\n[section1] # Test\n    key1 = value1\nkey2 = value2";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"},
+        {ItemType::SECTION, "section1", "", "", "[section1] # Test\n"},
+        {ItemType::KEY_VAL, "section1", "key1", "value1", "    key1 = value1\n"}};
+
+    CPPUNIT_ASSERT_THROW(
+        parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserIllegalContinuationLineError);
+}
+
+
+void IniparserTest::test_iniparser_missing_key() {
+    const std::string ini_file_content = "# Test comment1\n[section1] # Test\n= value1\nkey2 = value2";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"},
+        {ItemType::SECTION, "section1", "", "", "[section1] # Test\n"},
+        {ItemType::KEY_VAL, "section1", "", "value1", "= value1\n"}};
+
+    CPPUNIT_ASSERT_THROW(parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserMissingKeyError);
+}
+
+
+void IniparserTest::test_iniparser_missing_equal() {
+    const std::string ini_file_content = "# Test comment1\n[section1] # Test\nkey1 \nkey2 = value2";
+
+    const std::vector<Item> expected_items = {
+        {ItemType::COMMENT_LINE, "", "", "", "# Test comment1\n"},
+        {ItemType::SECTION, "section1", "", "", "[section1] # Test\n"},
+        {ItemType::KEY_VAL, "section1", "key1", "", "key1 \n"}};
+
+    CPPUNIT_ASSERT_THROW(
+        parse_and_check_results(ini_file_content, expected_items), libdnf5::IniParserMissingEqualError);
+}
diff --git a/test/libdnf5/iniparser/test_iniparser.hpp b/test/libdnf5/iniparser/test_iniparser.hpp
index c83d466b2..7bf131acd 100644
--- a/test/libdnf5/iniparser/test_iniparser.hpp
+++ b/test/libdnf5/iniparser/test_iniparser.hpp
@@ -32,6 +32,13 @@ class IniparserTest : public CppUnit::TestCase {
 #ifndef WITH_PERFORMANCE_TESTS
     CPPUNIT_TEST(test_iniparser);
     CPPUNIT_TEST(test_iniparser2);
+    CPPUNIT_TEST(test_iniparser_missing_section_header);
+    CPPUNIT_TEST(test_iniparser_missing_bracket);
+    CPPUNIT_TEST(test_iniparser_empty_section_name);
+    CPPUNIT_TEST(test_iniparser_text_after_section);
+    CPPUNIT_TEST(test_iniparser_illegal_continuation_line);
+    CPPUNIT_TEST(test_iniparser_missing_key);
+    CPPUNIT_TEST(test_iniparser_missing_equal);
 #endif
 
     CPPUNIT_TEST_SUITE_END();
@@ -42,6 +49,13 @@ class IniparserTest : public CppUnit::TestCase {
 
     void test_iniparser();
     void test_iniparser2();
+    void test_iniparser_missing_section_header();
+    void test_iniparser_missing_bracket();
+    void test_iniparser_empty_section_name();
+    void test_iniparser_text_after_section();
+    void test_iniparser_illegal_continuation_line();
+    void test_iniparser_missing_key();
+    void test_iniparser_missing_equal();
 };
 
 #endif