diff --git a/test/jwk/generate.test.js b/test/jwk/generate.test.js
new file mode 100644
index 00000000..fc627c8a
--- /dev/null
+++ b/test/jwk/generate.test.js
@@ -0,0 +1,110 @@
+const test = require('ava')
+
+const { JWK: { generate, generateSync } } = require('../..');
+
+[
+  ['rsa'],
+  ['RSA'],
+  ['RSA', undefined, undefined, true],
+  ['RSA', undefined, undefined, false],
+  ['RSA', 2048],
+  ['RSA', 2048, { use: 'sig' }],
+  ['RSA', 2048, { use: 'enc' }],
+  ['RSA', 2048, { use: 'sig', alg: 'PS256' }],
+  ['RSA', 2048, { use: 'enc', alg: 'RSA-OAEP' }],
+  ['RSA', 2048, { alg: 'PS256' }],
+  ['RSA', 2048, { alg: 'RSA-OAEP' }],
+  ['ec'],
+  ['EC'],
+  ['EC', undefined, undefined, true],
+  ['EC', undefined, undefined, false],
+  ['EC', 'P-256'],
+  ['EC', 'P-256', { use: 'sig' }],
+  ['EC', 'P-256', { use: 'enc' }],
+  ['EC', 'P-256', { use: 'sig', alg: 'ES256' }],
+  ['EC', 'P-256', { use: 'enc', alg: 'ECDH-ES' }],
+  ['EC', 'P-256', { alg: 'ES256' }],
+  ['EC', 'P-256', { alg: 'ECDH-ES' }],
+  ['EC', 'P-384'],
+  ['EC', 'P-384', { use: 'sig' }],
+  ['EC', 'P-384', { use: 'enc' }],
+  ['EC', 'P-384', { use: 'sig', alg: 'ES384' }],
+  ['EC', 'P-384', { use: 'enc', alg: 'ECDH-ES' }],
+  ['EC', 'P-384', { alg: 'ES384' }],
+  ['EC', 'P-384', { alg: 'ECDH-ES' }],
+  ['EC', 'P-521'],
+  ['EC', 'P-521', { use: 'sig' }],
+  ['EC', 'P-521', { use: 'enc' }],
+  ['EC', 'P-521', { use: 'sig', alg: 'ES512' }],
+  ['EC', 'P-521', { use: 'enc', alg: 'ECDH-ES' }],
+  ['EC', 'P-521', { alg: 'ES512' }],
+  ['EC', 'P-521', { alg: 'ECDH-ES' }],
+  ['oct'],
+  ['oct', 192],
+  ['oct', 192, { use: 'sig' }],
+  ['oct', 192, { use: 'enc' }],
+  ['oct', 192, { use: 'sig', alg: 'HS256' }],
+  ['oct', 192, { use: 'enc', alg: 'A192GCM' }],
+  ['oct', 192, { alg: 'HS256' }],
+  ['oct', 192, { alg: 'A192GCM' }]
+].forEach((args) => {
+  test(`sync generates ${args[0]}(${args[1]}) with options ${JSON.stringify(args[2])}${typeof args[3] === 'boolean' ? ` and private=${args[3]}` : ''}`, t => {
+    const key = generateSync(args[0], args[1], args[2], args[3])
+    t.truthy(key)
+
+    if (key.kty !== 'oct') {
+      if (args.length === 4) {
+        if (args[3] === true) {
+          t.true(key.private)
+          t.false(key.public)
+        } else {
+          t.true(key.public)
+          t.false(key.private)
+        }
+      } else {
+        t.true(key.private)
+        t.false(key.public)
+      }
+    }
+
+    if (args[2]) {
+      const { use, alg } = args[2]
+      t.is(key.use, use)
+      t.is(key.alg, alg)
+
+      if (alg) {
+        t.deepEqual([...key.algorithms()], [alg])
+      }
+    }
+  })
+
+  test(`async generates ${args[0]}(${args[1]}) with options ${JSON.stringify(args[2])}${typeof args[3] === 'boolean' ? ` and private=${args[3]}` : ''}`, async t => {
+    const key = await generate(args[0], args[1], args[2], args[3])
+    t.truthy(key)
+
+    if (key.kty !== 'oct') {
+      if (args.length === 4) {
+        if (args[3] === true) {
+          t.true(key.private)
+          t.false(key.public)
+        } else {
+          t.true(key.public)
+          t.false(key.private)
+        }
+      } else {
+        t.true(key.private)
+        t.false(key.public)
+      }
+    }
+
+    if (args[2]) {
+      const { use, alg } = args[2]
+      t.is(key.use, use)
+      t.is(key.alg, alg)
+
+      if (alg) {
+        t.deepEqual([...key.algorithms()], [alg])
+      }
+    }
+  })
+})