diff --git a/Sources/Assimp/Assimp.swift b/Sources/Assimp/Assimp.swift
index 90509e4..00f7b39 100644
--- a/Sources/Assimp/Assimp.swift
+++ b/Sources/Assimp/Assimp.swift
@@ -8,11 +8,11 @@
 @_implementationOnly import CAssimp
 
 public enum Assimp {
-    static func canImportFileExtension(_ fileExtension: String) -> Bool { aiGetImporterDesc(fileExtension.lowercased()) != nil }
+    public static func canImportFileExtension(_ fileExtension: String) -> Bool { aiGetImporterDesc(fileExtension.lowercased()) != nil }
 
-    static func getImporterDescriptor(for fileExtension: String) -> AiImporterDesc? { AiImporterDesc(aiGetImporterDesc(fileExtension.lowercased())?.pointee) }
+    public static func getImporterDescriptor(for fileExtension: String) -> AiImporterDesc? { AiImporterDesc(aiGetImporterDesc(fileExtension.lowercased())?.pointee) }
 
-    static func importFormats() -> [AiImporterDesc] {
+    public static func importFormats() -> [AiImporterDesc] {
         let count = aiGetImportFormatCount()
 
         guard count > 0 else {
@@ -23,11 +23,11 @@ public enum Assimp {
             .compactMap { AiImporterDesc(aiGetImportFormatDescription($0)?.pointee) }
     }
 
-    static func importFileExtensions() -> [String] {
+    public static func importFileExtensions() -> [String] {
         importFormats().flatMap(\.fileExtensions).sorted()
     }
 
-    static func exportFormats() -> [AiExporterDesc] {
+    public static func exportFormats() -> [AiExporterDesc] {
         let count = aiGetExportFormatCount()
 
         guard count > 0 else {
@@ -38,7 +38,7 @@ public enum Assimp {
             .compactMap { AiExporterDesc(aiGetExportFormatDescription($0)?.pointee) }
     }
 
-    static func exportFileExtensions() -> [String] {
+    public static func exportFileExtensions() -> [String] {
         exportFormats().map(\.fileExtension).sorted()
     }
 }
diff --git a/Tests/AssimpTests/AssimpTests.swift b/Tests/AssimpTests/AssimpTests.swift
index 11f0234..a691cc6 100644
--- a/Tests/AssimpTests/AssimpTests.swift
+++ b/Tests/AssimpTests/AssimpTests.swift
@@ -1,31 +1,12 @@
 import XCTest
-@testable import Assimp
-@_implementationOnly import CAssimp
+import Assimp
 
 final class AssimpTests: XCTestCase {
 
-    func testVersion() {
-        XCTAssertEqual(aiGetVersionMajor(), 5)
-        XCTAssertNotNil(aiGetVersionMinor())
-        XCTAssertNotNil(aiGetVersionRevision())
-    }
-
     func testFailingInitializer() {
         XCTAssertThrowsError(try AiScene(file: "<no useful path>"))
     }
 
-    func testVec3fFromAiVector3D() {
-        let vec3f = aiVector3D(x: 1.2, y: 3.4, z: 5.6).vector
-        XCTAssertEqual(vec3f, SIMD3<Float>(1.2, 3.4, 5.6))
-        XCTAssertEqual(SIMD3<Float>(aiVector3D(x: 5.6, y: 3.4, z: 1.2)), SIMD3<Float>(5.6, 3.4, 1.2))
-    }
-
-    func testVec2fFromAiVector2D() {
-        let vec2f = aiVector2D(x: 1.2, y: 3.4).vector
-        XCTAssertEqual(vec2f, SIMD2<Float>(1.2, 3.4))
-        XCTAssertEqual(SIMD2<Float>(aiVector2D(x: 5.6, y: 3.4)), SIMD2<Float>(5.6, 3.4))
-    }
-
     func testImportFormats() {
         XCTAssertTrue(Assimp.canImportFileExtension("obj"))
         XCTAssertTrue(Assimp.canImportFileExtension("dae"))
diff --git a/Tests/AssimpTests/InternalTests.swift b/Tests/AssimpTests/InternalTests.swift
new file mode 100644
index 0000000..61a15db
--- /dev/null
+++ b/Tests/AssimpTests/InternalTests.swift
@@ -0,0 +1,23 @@
+import XCTest
+@testable import Assimp
+@_implementationOnly import CAssimp
+
+final class InternalTests: XCTestCase {
+    func testVersion() {
+        XCTAssertEqual(aiGetVersionMajor(), 5)
+        XCTAssertNotNil(aiGetVersionMinor())
+        XCTAssertNotNil(aiGetVersionRevision())
+    }
+
+    func testVec3fFromAiVector3D() {
+        let vec3f = aiVector3D(x: 1.2, y: 3.4, z: 5.6).vector
+        XCTAssertEqual(vec3f, SIMD3<Float>(1.2, 3.4, 5.6))
+        XCTAssertEqual(SIMD3<Float>(aiVector3D(x: 5.6, y: 3.4, z: 1.2)), SIMD3<Float>(5.6, 3.4, 1.2))
+    }
+
+    func testVec2fFromAiVector2D() {
+        let vec2f = aiVector2D(x: 1.2, y: 3.4).vector
+        XCTAssertEqual(vec2f, SIMD2<Float>(1.2, 3.4))
+        XCTAssertEqual(SIMD2<Float>(aiVector2D(x: 5.6, y: 3.4)), SIMD2<Float>(5.6, 3.4))
+    }
+}