diff --git a/README.md b/README.md
index 97085c7..25ef86f 100644
--- a/README.md
+++ b/README.md
@@ -15,12 +15,36 @@ $ go install github.com/fjl/geas/cmd/geas@latest
 
 ## Building
 
-TODO
+To assemble `src/main.eas` you will need to invoke `geas`:
+
+```console
+$ geas src/main.eas
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
+```
 
 ## Testing
 
-TODO
+The tests can be executed using the `build-wrapper` script with the same arguments as [forge][forge]:
+
+```console
+$ ./build-wrapper test
+[⠒] Compiling...
+[⠒] Compiling 1 files with 0.8.14
+[⠢] Solc 0.8.14 finished in 976.49ms
+Compiler run successful!
+
+Running 5 tests for test/Contract.t.sol:ContractTest
+[PASS] testFakeExpo() (gas: 16063)
+[PASS] testFee() (gas: 449136269)
+[PASS] testInvalidRequest() (gas: 17248)
+[PASS] testQueueReset() (gas: 7170334)
+[PASS] testRequest() (gas: 152821)
+Test result: ok. 5 passed; 0 failed; 0 skipped; finished in 870.90ms
+
+Ran 1 test suites: 5 tests passed, 0 failed, 0 skipped (5 total tests)
+```
 
 [geas]: https://github.com/fjl/geas
 [7002]: https://eips.ethereum.org/EIPS/eip-7002
 [foundry]: https://getfoundry.sh/
+[forge]: https://github.com/foundry-rs/foundry/blob/master/forge