diff --git a/Tests/XMLCoderTests/NestingTests.swift b/Tests/XMLCoderTests/NestingTests.swift
new file mode 100644
index 00000000..6aa48d3f
--- /dev/null
+++ b/Tests/XMLCoderTests/NestingTests.swift
@@ -0,0 +1,143 @@
+//
+//  NestingTests.swift
+//  XMLCoderTests
+//
+//  Created by Vincent Esche on 12/22/18.
+//
+
+import XCTest
+@testable import XMLCoder
+
+final class NestingTests: XCTestCase {
+    var encoder: XMLEncoder {
+        let encoder = XMLEncoder()
+        encoder.outputFormatting = [.prettyPrinted]
+        return encoder
+    }
+
+    var decoder: XMLDecoder {
+        let decoder = XMLDecoder()
+        return decoder
+    }
+
+    let unkeyedWithinUnkeyed: [[Int]] = [
+        [1, 2, 3],
+        [1, 2, 3],
+    ]
+
+    let unkeyedWithinKeyed: [String: [Int]] = [
+        "first": [1, 2, 3],
+        "second": [1, 2, 3],
+    ]
+
+    let keyedWithinUnkeyed: [[String: Int]] = [
+        ["first": 1],
+        ["second": 2],
+    ]
+
+    let keyedWithinKeyed: [String: [String: Int]] = [
+        "first": ["a": 1, "b": 2],
+        "second": ["c": 3, "d": 4],
+    ]
+
+    func testEncodeUnkeyedWithinUnkeyed() throws {
+        XCTAssertNoThrow(try encoder.encode(unkeyedWithinUnkeyed, withRootKey: "element"))
+    }
+
+    func testEncodeUnkeyedWithinKeyed() throws {
+        XCTAssertNoThrow(try encoder.encode(unkeyedWithinKeyed, withRootKey: "element"))
+    }
+
+    func testEncodeKeyedWithinUnkeyed() throws {
+        XCTAssertNoThrow(try encoder.encode(keyedWithinUnkeyed, withRootKey: "element"))
+    }
+
+    func testEncodeKeyedWithinKeyed() throws {
+        XCTAssertNoThrow(try encoder.encode(keyedWithinKeyed, withRootKey: "element"))
+    }
+
+    func testDecodeUnkeyedWithinUnkeyed() throws {
+        let xml =
+            """
+            <element>
+                <element>
+                    <element>1</element>
+                    <element>2</element>
+                    <element>3</element>
+                </element>
+                <element>
+                    <element>1</element>
+                    <element>2</element>
+                    <element>3</element>
+                </element>
+            </element>
+            """
+        let encoded = xml.data(using: .utf8)!
+
+        XCTAssertNoThrow(try decoder.decode(type(of: unkeyedWithinUnkeyed), from: encoded))
+    }
+
+    func testDecodeUnkeyedWithinKeyed() throws {
+        let xml =
+            """
+            <element>
+                <first>1</first>
+                <first>2</first>
+                <first>3</first>
+                <second>1</second>
+                <second>2</second>
+                <second>3</second>
+            </element>
+            """
+        let encoded = xml.data(using: .utf8)!
+
+        XCTAssertNoThrow(try decoder.decode(type(of: unkeyedWithinKeyed), from: encoded))
+    }
+
+    func testDecodeKeyedWithinUnkeyed() throws {
+        let xml =
+            """
+            <element>
+                <element>
+                    <first>1</first>
+                </element>
+                <element>
+                    <second>2</second>
+                </element>
+            </element>
+            """
+        let encoded = xml.data(using: .utf8)!
+
+        XCTAssertNoThrow(try decoder.decode(type(of: keyedWithinUnkeyed), from: encoded))
+    }
+
+    func testDecodeKeyedWithinKeyed() throws {
+        let xml =
+            """
+            <element>
+                <first>
+                    <b>2</b>
+                    <a>1</a>
+                </first>
+                <second>
+                    <c>3</c>
+                    <d>4</d>
+                </second>
+            </element>
+            """
+        let encoded = xml.data(using: .utf8)!
+
+        XCTAssertNoThrow(try decoder.decode(type(of: keyedWithinKeyed), from: encoded))
+    }
+
+    static var allTests = [
+        ("testEncodeUnkeyedWithinUnkeyed", testEncodeUnkeyedWithinUnkeyed),
+        ("testEncodeUnkeyedWithinKeyed", testEncodeUnkeyedWithinKeyed),
+        ("testEncodeKeyedWithinUnkeyed", testEncodeKeyedWithinUnkeyed),
+        ("testEncodeKeyedWithinKeyed", testEncodeKeyedWithinKeyed),
+        ("testDecodeUnkeyedWithinUnkeyed", testDecodeUnkeyedWithinUnkeyed),
+        ("testDecodeUnkeyedWithinKeyed", testDecodeUnkeyedWithinKeyed),
+        ("testDecodeKeyedWithinUnkeyed", testDecodeKeyedWithinUnkeyed),
+        ("testDecodeKeyedWithinKeyed", testDecodeKeyedWithinKeyed),
+    ]
+}
diff --git a/XMLCoder.xcodeproj/project.pbxproj b/XMLCoder.xcodeproj/project.pbxproj
index 43f64dfa..b719594d 100644
--- a/XMLCoder.xcodeproj/project.pbxproj
+++ b/XMLCoder.xcodeproj/project.pbxproj
@@ -94,6 +94,7 @@
 		D1CAD3622293FAB80077901D /* MixedContainerTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = D1CAD3612293FAB80077901D /* MixedContainerTest.swift */; };
 		D1CB1EF521EA9599009CAF02 /* RJITest.swift in Sources */ = {isa = PBXBuildFile; fileRef = OBJ_37 /* RJITest.swift */; };
 		D1CFC8242226B13F00B03222 /* NamespaceTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = D1CFC8222226AFB400B03222 /* NamespaceTest.swift */; };
+		D1D50D3122942EAE007098FC /* NestingTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D1D50D3022942EAE007098FC /* NestingTests.swift */; };
 		D1E0C85321D8E65E0042A261 /* ErrorContextTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = D1E0C85121D8E6540042A261 /* ErrorContextTest.swift */; };
 		D1E0C85521D91EBF0042A261 /* Metatypes.swift in Sources */ = {isa = PBXBuildFile; fileRef = D1E0C85421D91EBF0042A261 /* Metatypes.swift */; };
 		D1EC3E62225A32F500C610E3 /* BoxTreeTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D1EC3E61225A32F500C610E3 /* BoxTreeTests.swift */; };
@@ -216,6 +217,7 @@
 		D1AC9464224E3E1F004AB49B /* AttributedEnumIntrinsicTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AttributedEnumIntrinsicTest.swift; sourceTree = "<group>"; };
 		D1CAD3612293FAB80077901D /* MixedContainerTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MixedContainerTest.swift; sourceTree = "<group>"; };
 		D1CFC8222226AFB400B03222 /* NamespaceTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NamespaceTest.swift; sourceTree = "<group>"; };
+		D1D50D3022942EAE007098FC /* NestingTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = NestingTests.swift; sourceTree = "<group>"; };
 		D1E0C85121D8E6540042A261 /* ErrorContextTest.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ErrorContextTest.swift; sourceTree = "<group>"; };
 		D1E0C85421D91EBF0042A261 /* Metatypes.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Metatypes.swift; sourceTree = "<group>"; };
 		D1EC3E61225A32F500C610E3 /* BoxTreeTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BoxTreeTests.swift; sourceTree = "<group>"; };
@@ -403,6 +405,7 @@
 				B3BE1D602202C1F600259831 /* DynamicNodeEncodingTest.swift */,
 				D1E0C85121D8E6540042A261 /* ErrorContextTest.swift */,
 				D1CFC8222226AFB400B03222 /* NamespaceTest.swift */,
+				D1D50D3022942EAE007098FC /* NestingTests.swift */,
 				OBJ_33 /* NodeEncodingStrategyTests.swift */,
 				OBJ_34 /* NoteTest.swift */,
 				OBJ_35 /* PlantCatalog.swift */,
@@ -649,6 +652,7 @@
 				BF9457F221CBB6BC005ACFDE /* UnkeyedTests.swift in Sources */,
 				A61FE03C21E4EAB10015D993 /* KeyedIntTests.swift in Sources */,
 				BF9457F321CBB6BC005ACFDE /* DateTests.swift in Sources */,
+				D1D50D3122942EAE007098FC /* NestingTests.swift in Sources */,
 				BF9457D121CBB516005ACFDE /* UnkeyedBoxTests.swift in Sources */,
 				BF63EF6921D0FDB5001D38C5 /* XMLHeaderTests.swift in Sources */,
 				BF9457F021CBB6BC005ACFDE /* StringTests.swift in Sources */,