Assert presence of a native property on the global object... |
Syntax
hasNative( key, message ); |
Parameters
| Parameter | Type | Mandatory | Notes | API Version |
|---|---|---|---|---|
| key | String |  | The name of the property to inspect. | 1.0 |
| message | String |
| A message stating what the assertion is testing. As of v1.4, message defaults to: | 1.0 1.4 |
(v1.4+)Return Values
| Value | Type | Notes | API Version |
|---|---|---|---|
| <error> | Error | Most likely the parameters are wrong. | 1.0 |
true | Boolean | The key is defined on the global object. | 1.0 |
false | Boolean | The key is missing from the global object. | 1.0 |
Example
Test("Native checks", Test.ANY( ), function() {
// assertion will pass
hasNative( "Math", "Math exists?" );
// assertion will fail (case-sensitive)
hasNative( "math", "math exists?" );
}); |