From 5cb14847aa6c0aae11f580e69e3630aa61f80422 Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Wed, 13 Jan 2021 00:49:59 +0100
Subject: [PATCH] Expose v8::WriteOptions (#583)

Without it, v8::String::write_utf8() is pretty much unusable.
---
 src/lib.rs        | 1 +
 tests/test_api.rs | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 755894b2..cde42290 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -127,6 +127,7 @@ pub use snapshot::FunctionCodeHandling;
 pub use snapshot::SnapshotCreator;
 pub use snapshot::StartupData;
 pub use string::NewStringType;
+pub use string::WriteOptions;
 pub use support::SharedPtr;
 pub use support::SharedRef;
 pub use support::UniquePtr;
diff --git a/tests/test_api.rs b/tests/test_api.rs
index eb6360f3..37b308e0 100644
--- a/tests/test_api.rs
+++ b/tests/test_api.rs
@@ -156,6 +156,15 @@ fn test_string() {
     assert_eq!(15, local.length());
     assert_eq!(17, local.utf8_length(scope));
     assert_eq!(reference, local.to_rust_string_lossy(scope));
+    let mut vec = Vec::new();
+    vec.resize(17, 0);
+    let options = v8::WriteOptions::NO_NULL_TERMINATION;
+    let mut nchars = 0;
+    assert_eq!(
+      17,
+      local.write_utf8(scope, &mut vec, Some(&mut nchars), options)
+    );
+    assert_eq!(15, nchars);
   }
   {
     let scope = &mut v8::HandleScope::new(isolate);