1 files changed, 96 insertions, 0 deletions
diff --git a/toolsrc/src/tests.update.cpp b/toolsrc/src/tests.update.cpp
new file mode 100644
index 000000000..06ae797f4
--- /dev/null
+++ b/toolsrc/src/tests.update.cpp
@@ -0,0 +1,96 @@
+#include "tests.pch.h"
+
+#include <tests.utils.h>
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+
+using namespace vcpkg;
+using namespace vcpkg::Update;
+
+namespace UnitTest1
+{
+    class UpdateTests : public TestClass<UpdateTests>
+    {
+        TEST_METHOD(find_outdated_packages_basic)
+        {
+            std::vector<std::unique_ptr<StatusParagraph>> status_paragraphs;
+            status_paragraphs.push_back(make_status_pgh("a"));
+            status_paragraphs.back()->package.version = "2";
+
+            StatusParagraphs status_db(std::move(status_paragraphs));
+
+            std::map<std::string, VersionT> port_versions;
+            port_versions["a"] = VersionT("0");
+
+            auto pkgs = SortedVector<OutdatedPackage>(Update::find_outdated_packages(port_versions, status_db),
+                                                      &OutdatedPackage::compare_by_name);
+
+            Assert::AreEqual(size_t(1), pkgs.size());
+            Assert::AreEqual("2", pkgs[0].version_diff.left.to_string().c_str());
+            Assert::AreEqual("0", pkgs[0].version_diff.right.to_string().c_str());
+        }
+
+        TEST_METHOD(find_outdated_packages_features)
+        {
+            std::vector<std::unique_ptr<StatusParagraph>> status_paragraphs;
+            status_paragraphs.push_back(make_status_pgh("a"));
+            status_paragraphs.back()->package.version = "2";
+
+            status_paragraphs.push_back(make_status_feature_pgh("a", "b"));
+            status_paragraphs.back()->package.version = "2";
+
+            StatusParagraphs status_db(std::move(status_paragraphs));
+
+            std::map<std::string, VersionT> port_versions;
+            port_versions["a"] = VersionT("0");
+
+            auto pkgs = SortedVector<OutdatedPackage>(Update::find_outdated_packages(port_versions, status_db),
+                                                      &OutdatedPackage::compare_by_name);
+
+            Assert::AreEqual(size_t(1), pkgs.size());
+            Assert::AreEqual("2", pkgs[0].version_diff.left.to_string().c_str());
+            Assert::AreEqual("0", pkgs[0].version_diff.right.to_string().c_str());
+        }
+
+        TEST_METHOD(find_outdated_packages_features_2)
+        {
+            std::vector<std::unique_ptr<StatusParagraph>> status_paragraphs;
+            status_paragraphs.push_back(make_status_pgh("a"));
+            status_paragraphs.back()->package.version = "2";
+
+            status_paragraphs.push_back(make_status_feature_pgh("a", "b"));
+            status_paragraphs.back()->package.version = "0";
+            status_paragraphs.back()->state = InstallState::NOT_INSTALLED;
+            status_paragraphs.back()->want = Want::PURGE;
+
+            StatusParagraphs status_db(std::move(status_paragraphs));
+
+            std::map<std::string, VersionT> port_versions;
+            port_versions["a"] = VersionT("0");
+
+            auto pkgs = SortedVector<OutdatedPackage>(Update::find_outdated_packages(port_versions, status_db),
+                                                      &OutdatedPackage::compare_by_name);
+
+            Assert::AreEqual(size_t(1), pkgs.size());
+            Assert::AreEqual("2", pkgs[0].version_diff.left.to_string().c_str());
+            Assert::AreEqual("0", pkgs[0].version_diff.right.to_string().c_str());
+        }
+
+        TEST_METHOD(find_outdated_packages_none)
+        {
+            std::vector<std::unique_ptr<StatusParagraph>> status_paragraphs;
+            status_paragraphs.push_back(make_status_pgh("a"));
+            status_paragraphs.back()->package.version = "2";
+
+            StatusParagraphs status_db(std::move(status_paragraphs));
+
+            std::map<std::string, VersionT> port_versions;
+            port_versions["a"] = VersionT("2");
+
+            auto pkgs = SortedVector<OutdatedPackage>(Update::find_outdated_packages(port_versions, status_db),
+                                                      &OutdatedPackage::compare_by_name);
+
+            Assert::AreEqual(size_t(0), pkgs.size());
+        }
+    };
+}