diff --git a/build.ps1 b/build.ps1
index 1d79641..35b03d5 100644
--- a/build.ps1
+++ b/build.ps1
@@ -42,7 +42,17 @@ mkdir -p $OutDir > $null
 mkdir -p $TestsDir > $null
 
 # Build and run tests
-Invoke-Expression "$Compiler $GeneralFlags $IncludeDirs $TestIncludeDirs $SrcFiles $TestSrcFiles $TestOutputs"
+Invoke-Expression "$Compiler $GeneralFlags $IncludeDirs $TestIncludeDirs $SrcFiles $TestSrcFiles $TestOutputs" -ErrorAction Stop
+
+Invoke-Expression "$TestsDir/$TestOutBasename.exe"
+$Status = $LASTEXITCODE
+
+Remove-Item $TestsDir -Recurse -Force
+
+If ($Status -ne 0) {
+	Write-Error "Tests failed"
+	Exit 1
+}
 
 # Build library
 Invoke-Expression "$Compiler $GeneralFlags $LibraryFlags $IncludeDirs $SrcFiles $Objects $Outputs"