Auto merge of #19868 - CYBAI:specific-assertion, r=emilio

Use specific assertions

Similar to #19865
r? jdm

Note: Should I squash all the commits into one commit?

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because it should not break anything

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1 files changed, 4 insertions, 4 deletions

diff --git a/components/script/dom/bindings/interface.rs b/components/script/dom/bindings/interface.rs
index 5fc0c8a0590..47f5ffb8574 100644
--- a/components/script/dom/bindings/interface.rs
+++ b/components/script/dom/bindings/interface.rs
@@ -234,7 +234,7 @@ pub unsafe fn create_named_constructors(
     rooted!(in(cx) let mut constructor = ptr::null_mut::<JSObject>());
 
     for &(native, name, arity) in named_constructors {
-        assert!(*name.last().unwrap() == b'\0');
+        assert_eq!(*name.last().unwrap(), b'\0');
 
         let fun = JS_NewFunction(cx,
                                  Some(native),
@@ -324,7 +324,7 @@ pub unsafe fn define_on_global_object(
         global: HandleObject,
         name: &[u8],
         obj: HandleObject) {
-    assert!(*name.last().unwrap() == b'\0');
+    assert_eq!(*name.last().unwrap(), b'\0');
     assert!(JS_DefineProperty1(cx,
                                global,
                                name.as_ptr() as *const libc::c_char,
@@ -429,7 +429,7 @@ unsafe fn create_unscopable_object(
     rval.set(JS_NewPlainObject(cx));
     assert!(!rval.ptr.is_null());
     for &name in names {
-        assert!(*name.last().unwrap() == b'\0');
+        assert_eq!(*name.last().unwrap(), b'\0');
         assert!(JS_DefineProperty(
             cx, rval.handle(), name.as_ptr() as *const libc::c_char, TrueHandleValue,
             JSPROP_READONLY, None, None));
@@ -437,7 +437,7 @@ unsafe fn create_unscopable_object(
 }
 
 unsafe fn define_name(cx: *mut JSContext, obj: HandleObject, name: &[u8]) {
-    assert!(*name.last().unwrap() == b'\0');
+    assert_eq!(*name.last().unwrap(), b'\0');
     rooted!(in(cx) let name = JS_AtomizeAndPinString(cx, name.as_ptr() as *const libc::c_char));
     assert!(!name.is_null());
     assert!(JS_DefineProperty2(cx,