diff --git a/tests/Version_test.cpp b/tests/Version_test.cpp
index 6836b6fa0..bb0a7f5a6 100644
--- a/tests/Version_test.cpp
+++ b/tests/Version_test.cpp
@@ -17,15 +17,20 @@
 
 #include <Version.h>
 
-class ModUtilsTest : public QObject
-{
+class VersionTest : public QObject {
     Q_OBJECT
-    void setupVersions()
+
+    void addDataColumns()
     {
         QTest::addColumn<QString>("first");
         QTest::addColumn<QString>("second");
         QTest::addColumn<bool>("lessThan");
         QTest::addColumn<bool>("equal");
+    }
+
+    void setupVersions()
+    {
+        addDataColumns();
 
         QTest::newRow("equal, explicit") << "1.2.0" << "1.2.0" << false << true;
         QTest::newRow("equal, implicit 1") << "1.2" << "1.2.0" << false << true;
@@ -49,20 +54,12 @@ class ModUtilsTest : public QObject
         QTest::newRow("greaterThan, two-digit") << "1.42" << "1.41" << false << false;
     }
 
-private slots:
-    void initTestCase()
-    {
-
-    }
-    void cleanupTestCase()
-    {
-
-    }
-
+   private slots:
     void test_versionCompare_data()
     {
         setupVersions();
     }
+
     void test_versionCompare()
     {
         QFETCH(QString, first);
@@ -79,8 +76,86 @@ private slots:
         QCOMPARE(v1 > v2, !lessThan && !equal);
         QCOMPARE(v1 == v2, equal);
     }
+
+    void test_flexVerTestVector_data()
+    {
+        addDataColumns();
+
+        QDir test_vector_dir(QFINDTESTDATA("testdata/Version"));
+
+        QFile vector_file{test_vector_dir.absoluteFilePath("test_vectors.txt")};
+
+        vector_file.open(QFile::OpenModeFlag::ReadOnly);
+
+        int test_number = 0;
+        const QString test_name_template { "FlexVer test #%1 (%2)" };
+        for (auto line = vector_file.readLine(); !vector_file.atEnd(); line = vector_file.readLine()) {
+            line = line.simplified();
+            if (line.startsWith('#') || line.isEmpty())
+                continue;
+
+            test_number += 1;
+
+            auto split_line = line.split('<');
+            if (split_line.size() == 2) {
+                QString first{split_line.first().simplified()};
+                QString second{split_line.last().simplified()};
+
+                auto new_test_name = test_name_template.arg(QString::number(test_number), "lessThan").toLatin1().data();
+                QTest::newRow(new_test_name) << first << second << true << false;
+
+                continue;
+            }
+
+            split_line = line.split('=');
+            if (split_line.size() == 2) {
+                QString first{split_line.first().simplified()};
+                QString second{split_line.last().simplified()};
+
+                auto new_test_name = test_name_template.arg(QString::number(test_number), "equals").toLatin1().data();
+                QTest::newRow(new_test_name) << first << second << false << true;
+
+                continue;
+            }
+
+            split_line = line.split('>');
+            if (split_line.size() == 2) {
+                QString first{split_line.first().simplified()};
+                QString second{split_line.last().simplified()};
+
+                auto new_test_name = test_name_template.arg(QString::number(test_number), "greaterThan").toLatin1().data();
+                QTest::newRow(new_test_name) << first << second << false << false;
+
+                continue;
+            }
+
+            qCritical() << "Unexpected separator in the test vector: ";
+            qCritical() << line;
+
+            QVERIFY(0 != 0);
+        }
+
+        vector_file.close();
+    }
+
+    void test_flexVerTestVector()
+    {
+        QFETCH(QString, first);
+        QFETCH(QString, second);
+        QFETCH(bool, lessThan);
+        QFETCH(bool, equal);
+
+        const auto v1 = Version(first);
+        const auto v2 = Version(second);
+
+        qDebug() << v1 << "vs" << v2;
+
+        QCOMPARE(v1 < v2, lessThan);
+        QCOMPARE(v1 > v2, !lessThan && !equal);
+        QCOMPARE(v1 == v2, equal);
+    }
 };
 
-QTEST_GUILESS_MAIN(ModUtilsTest)
+QTEST_GUILESS_MAIN(VersionTest)
 
 #include "Version_test.moc"
diff --git a/tests/testdata/Version/test_vectors.txt b/tests/testdata/Version/test_vectors.txt
new file mode 100644
index 000000000..e6c6507cf
--- /dev/null
+++ b/tests/testdata/Version/test_vectors.txt
@@ -0,0 +1,63 @@
+# Test vector from:
+# https://github.com/unascribed/FlexVer/blob/704e12759b6e59220ff888f8bf2ec15b8f8fd969/test/test_vectors.txt
+#
+# This test file is formatted as "<lefthand> <operator> <righthand>", seperated by the space character
+# Implementations should ignore lines starting with "#" and lines that have a length of 0
+
+# Basic numeric ordering (lexical string sort fails these)
+10 > 2
+100 > 10
+
+# Trivial common numerics
+1.0 < 1.1
+1.0 < 1.0.1
+1.1 > 1.0.1
+
+# SemVer compatibility
+1.5 > 1.5-pre1
+1.5 = 1.5+foobar
+
+# SemVer incompatibility
+1.5 < 1.5-2
+1.5-pre10 > 1.5-pre2
+
+# Empty strings
+ = 
+1 > 
+ < 1
+
+# Check boundary between textual and prerelease
+a-a < a
+
+# Check boundary between textual and appendix
+a+a = a
+
+# Dash is included in prerelease comparison (if stripped it will be a smaller component)
+# Note that a-a < a=a regardless since the prerelease splits the component creating a smaller first component; 0 is added to force splitting regardless
+a0-a < a0=a
+
+# Pre-releases must contain only non-digit
+1.16.5-10 > 1.16.5
+
+# Pre-releases can have multiple dashes (should not be split)
+# Reasoning for test data: "p-a!" > "p-a-" (correct); "p-a!" < "p-a t-" (what happens if every dash creates a new component)
+-a- > -a!
+
+# Misc
+b1.7.3 > a1.2.6
+b1.2.6 > a1.7.3
+a1.1.2 < a1.1.2_01
+1.16.5-0.00.5 > 1.14.2-1.3.7
+1.0.0 < 1.0.0_01
+1.0.1 > 1.0.0_01
+1.0.0_01 < 1.0.1
+0.17.1-beta.1 < 0.17.1
+0.17.1-beta.1 < 0.17.1-beta.2
+1.4.5_01 = 1.4.5_01+fabric-1.17
+1.4.5_01 = 1.4.5_01+fabric-1.17+ohgod
+14w16a < 18w40b
+18w40a < 18w40b
+1.4.5_01+fabric-1.17 < 18w40b
+13w02a < c0.3.0_01
+0.6.0-1.18.x < 0.9.beta-1.18.x
+