From 322e357d20373bac4a4b3805599fd6938c68189a Mon Sep 17 00:00:00 2001
From: Justin Swanson <justin.c.swanson@gmail.com>
Date: Tue, 9 Apr 2024 15:49:17 -0500
Subject: [PATCH] HeaderVersionHelperTests

---
 .../Plugins/HeaderVersionHelperTests.cs       | 120 ++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 Mutagen.Bethesda.Core.UnitTests/Plugins/HeaderVersionHelperTests.cs

diff --git a/Mutagen.Bethesda.Core.UnitTests/Plugins/HeaderVersionHelperTests.cs b/Mutagen.Bethesda.Core.UnitTests/Plugins/HeaderVersionHelperTests.cs
new file mode 100644
index 000000000..fbeafd372
--- /dev/null
+++ b/Mutagen.Bethesda.Core.UnitTests/Plugins/HeaderVersionHelperTests.cs
@@ -0,0 +1,120 @@
+using FluentAssertions;
+using Mutagen.Bethesda.Plugins.Utility;
+using Noggog.Testing.AutoFixture;
+using Xunit;
+
+namespace Mutagen.Bethesda.UnitTests.Plugins;
+
+public class HeaderVersionHelperTests
+{
+    [Theory, DefaultAutoData]
+    public void ForceLower(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion + 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion + 1,
+            forceUseLowerFormIDRanges: true,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+
+    [Theory, DefaultAutoData]
+    public void ForceHigher(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: false,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+    }
+
+    [Theory, DefaultAutoData]
+    public void HeaderVersionToUseLowerRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+
+    [Theory, DefaultAutoData]
+    public void HeaderVersionToUseHigherRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: null,
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion + 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+    }
+
+    [Theory, DefaultAutoData]
+    public void AllowedRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: new HashSet<GameRelease>()
+            {
+                release
+            },
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(1);
+    }
+
+    [Theory, DefaultAutoData]
+    public void DisallowedRelease(
+        GameRelease release,
+        float headerVersion)
+    {
+        HeaderVersionHelper.GetNextFormId(
+            release,
+            allowedReleases: new HashSet<GameRelease>()
+            {
+            },
+            headerVersion: headerVersion,
+            useLowerRangesVersion: headerVersion - 1,
+            forceUseLowerFormIDRanges: null,
+            higherFormIdRange: 800)
+            .Should().Be(800);
+    }
+}