Function assertTrue

deps/v8/test/mjsunit/object-freeze.js:465–475

(%HasPackedElements(obj));
}
Object.freeze(obj);
testPackedFrozenArray1(obj);

// Verify change from sealed to frozen
obj = new Array(undefined, null, 1, -1, 'a', Symbol("test"));
if(!%IsUndefinedDoubleEnabled())

if(!%IsUndefinedDoubleEnabled()) {
  // TODO(385155404): Consider reenabling when we can transition back to packed.
  assertTrue(%HasPackedElements(obj));
}
Object.freeze(obj);
testPackedFrozenArray1(obj);

// Verify change from sealed to frozen
obj = new Array(undefined, null, 1, -1, 'a', Symbol("test"));
if(!%IsUndefinedDoubleEnabled()) {
  // TODO(385155404): Consider reenabling when we can transition back to packed.
  assertTrue(%HasPackedElements(obj));
}
Object.seal(obj);
Object.freeze(obj);
assertTrue(Object.isSealed(obj));