Added Test for mozilla::Range::new

mozjs-sys/build.rs

@@ -30,7 +30,6 @@ const ENV_VARS: &'static [&'static str] = &[
 
 const EXTRA_FILES: &'static [&'static str] = &[
     "makefile.cargo",
-    "src/rustfmt.toml",
     "src/jsglue.hpp",
     "src/jsglue.cpp",
 ];

mozjs/tests/range.rs

@@ -0,0 +1,49 @@
+use std::ptr;
+
+use mozjs::jsapi::mozilla::Range;
+use mozjs::jsapi::{BigIntIsUint64, JS_NewGlobalObject, StringToBigInt, StringToBigInt1};
+use mozjs::jsapi::{JSAutoRealm, OnNewGlobalHookOption};
+use mozjs::rooted;
+use mozjs::rust::{JSEngine, RealmOptions, Runtime, SIMPLE_GLOBAL_CLASS};
+
+#[test]
+fn range() {
+    let engine = JSEngine::init().unwrap();
+    let runtime = Runtime::new(engine.handle());
+    let context = runtime.cx();
+    let h_option = OnNewGlobalHookOption::FireOnNewGlobalHook;
+    let c_option = RealmOptions::default();
+
+    unsafe {
+        rooted!(in(context) let global = JS_NewGlobalObject(
+            context,
+            &SIMPLE_GLOBAL_CLASS,
+            ptr::null_mut(),
+            h_option,
+            &*c_option,
+        ));
+        let _ac = JSAutoRealm::new(context, global.get());
+
+        // Number.MAX_SAFE_INTEGER + 10
+        let int = 9007199254741001;
+        let mut string = int.to_string();
+        let range = string.as_bytes_mut().as_mut_ptr_range();
+        let chars = Range::new(range.start, range.end);
+        rooted!(in(context) let bigint = StringToBigInt(context, chars));
+        assert!(!bigint.get().is_null());
+
+        let mut result = 0;
+        assert!(BigIntIsUint64(bigint.get(), &mut result));
+        assert_eq!(result, int);
+
+        let mut chars: Vec<_> = string.encode_utf16().collect();
+        let range = chars.as_mut_ptr_range();
+        let chars = Range::new(range.start, range.end);
+        rooted!(in(context) let bigint = StringToBigInt1(context, chars));
+        assert!(!bigint.get().is_null());
+
+        let mut result = 0;
+        assert!(BigIntIsUint64(bigint.get(), &mut result));
+        assert_eq!(result, int);
+    }
+}