diff --git a/package-lock.json b/package-lock.json
index 529de81..61dc299 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,7 @@
         "eslint-config-strict": "^14.0.1",
         "eslint-plugin-filenames": "^1.3.2",
         "eslint-plugin-prettier": "^3.3.1",
+        "fast-check": "^3.19.0",
         "husky": "^4.3.8",
         "mocha": "^10.2.0",
         "nyc": "^15.1.0",
@@ -5235,6 +5236,28 @@
         "@types/yauzl": "^2.9.1"
       }
     },
+    "node_modules/fast-check": {
+      "version": "3.19.0",
+      "resolved": "https://registry.npmjs.org/fast-check/-/fast-check-3.19.0.tgz",
+      "integrity": "sha512-CO2JX/8/PT9bDGO1iXa5h5ey1skaKI1dvecERyhH4pp3PGjwd3KIjMAXEg79Ps9nclsdt4oPbfqiAnLU0EwrAQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/dubzzz"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fast-check"
+        }
+      ],
+      "dependencies": {
+        "pure-rand": "^6.1.0"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/fast-deep-equal": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
@@ -13658,6 +13681,22 @@
         }
       }
     },
+    "node_modules/pure-rand": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-6.1.0.tgz",
+      "integrity": "sha512-bVWawvoZoBYpp6yIoQtQXHZjmz35RSVHnUOTefl8Vcjr8snTPY1wnpSPMWekcFwbxI6gtmT7rSYPFvz71ldiOA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/dubzzz"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fast-check"
+        }
+      ]
+    },
     "node_modules/q": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/q/-/q-1.5.1.tgz",
diff --git a/package.json b/package.json
index 83a9e6f..ef8ea38 100644
--- a/package.json
+++ b/package.json
@@ -115,6 +115,7 @@
     "eslint-config-strict": "^14.0.1",
     "eslint-plugin-filenames": "^1.3.2",
     "eslint-plugin-prettier": "^3.3.1",
+    "fast-check": "^3.19.0",
     "husky": "^4.3.8",
     "mocha": "^10.2.0",
     "nyc": "^15.1.0",
diff --git a/test/property.js b/test/property.js
new file mode 100644
index 0000000..4e9e2a2
--- /dev/null
+++ b/test/property.js
@@ -0,0 +1,28 @@
+import inspect from '../lib/index.js'
+import { expect } from 'chai'
+import fc from 'fast-check'
+
+describe('property', () => {
+  it('produces valid UTF-16 strings whatever the source', () => {
+    fc.assert(
+      fc.property(
+        fc.anything({
+          withBigInt: true,
+          withBoxedValues: true,
+          withDate: true,
+          withMap: true,
+          withNullPrototype: true,
+          withObjectString: true,
+          withSet: true,
+          withSparseArray: true,
+          withTypedArray: true,
+          withUnicodeString: true,
+        }),
+        fc.option(fc.nat(), { nil: undefined }),
+        (source, truncate) => {
+          expect(() => encodeURI(inspect(source, { truncate }))).not.to.throw()
+        }
+      )
+    )
+  })
+})