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diff --git a/packages/utils/test/abi_encoder/return_values_test.ts b/packages/utils/test/abi_encoder/return_values_test.ts
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index 000000000..a8cdd6ca3
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+++ b/packages/utils/test/abi_encoder/return_values_test.ts
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+import * as chai from 'chai';
+import 'mocha';
+
+import { AbiEncoder } from '../../src/';
+import { chaiSetup } from '../utils/chai_setup';
+
+import * as ReturnValueAbis from './abi_samples/return_value_abis';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+describe('ABI Encoder: Return Value Encoding/Decoding', () => {
+    const encodingRules: AbiEncoder.EncodingRules = { optimize: false }; // optimizer is tested separately.
+    it('No Return Value', async () => {
+        // Decode return value
+        const method = new AbiEncoder.Method(ReturnValueAbis.noReturnValues);
+        const returnValue = '0x';
+        const decodedReturnValue = method.decodeReturnValues(returnValue);
+        const expectedDecodedReturnValue: any[] = [];
+        expect(decodedReturnValue).to.be.deep.equal(expectedDecodedReturnValue);
+    });
+    it('Single static return value', async () => {
+        // Generate Return Value
+        const method = new AbiEncoder.Method(ReturnValueAbis.singleStaticReturnValue);
+        const returnValue = ['0x01020304'];
+        const encodedReturnValue = method.encodeReturnValues(returnValue, encodingRules);
+        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
+        // Validate decoded return value
+        expect(decodedReturnValue).to.be.deep.equal(returnValue);
+    });
+    it('Multiple static return values', async () => {
+        // Generate Return Value
+        const method = new AbiEncoder.Method(ReturnValueAbis.multipleStaticReturnValues);
+        const returnValue = ['0x01020304', '0x05060708'];
+        const encodedReturnValue = method.encodeReturnValues(returnValue, encodingRules);
+        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
+        // Validate decoded return value
+        expect(decodedReturnValue).to.be.deep.equal(returnValue);
+    });
+    it('Single dynamic return value', async () => {
+        // Generate Return Value
+        const method = new AbiEncoder.Method(ReturnValueAbis.singleDynamicReturnValue);
+        const returnValue = ['0x01020304'];
+        const encodedReturnValue = method.encodeReturnValues(returnValue, encodingRules);
+        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
+        // Validate decoded return value
+        expect(decodedReturnValue).to.be.deep.equal(returnValue);
+    });
+    it('Multiple dynamic return values', async () => {
+        // Generate Return Value
+        const method = new AbiEncoder.Method(ReturnValueAbis.multipleDynamicReturnValues);
+        const returnValue = ['0x01020304', '0x05060708'];
+        const encodedReturnValue = method.encodeReturnValues(returnValue, encodingRules);
+        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
+        // Validate decoded return value
+        expect(decodedReturnValue).to.be.deep.equal(returnValue);
+    });
+    it('Mixed static/dynamic return values', async () => {
+        // Generate Return Value
+        const method = new AbiEncoder.Method(ReturnValueAbis.mixedStaticAndDynamicReturnValues);
+        const returnValue = ['0x01020304', '0x05060708'];
+        const encodedReturnValue = method.encodeReturnValues(returnValue, encodingRules);
+        const decodedReturnValue = method.decodeReturnValues(encodedReturnValue);
+        // Validate decoded return value
+        expect(decodedReturnValue).to.be.deep.equal(returnValue);
+    });
+});