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 |   1 <!DOCTYPE html> | 
 |   2 <html> | 
 |   3 <body> | 
 |   4 <script src="../resources/testharness.js"></script> | 
 |   5 <script src="../resources/testharnessreport.js"></script> | 
 |   6 <script> | 
 |   7  | 
 |   8 test(function() { | 
 |   9     assert_idl_attribute(screen, 'keepAwake'); | 
 |  10     assert_equals(typeof screen.keepAwake, 'boolean'); | 
 |  11 }, 'Test that the WakeLock API is present.'); | 
 |  12  | 
 |  13 test(function() { | 
 |  14     screen.keepAwake = true; | 
 |  15     assert_true(screen.keepAwake); | 
 |  16  | 
 |  17     screen.keepAwake = false; | 
 |  18     assert_false(screen.keepAwake); | 
 |  19 }, 'Test that screen.keepAwake preserves set value'); | 
 |  20  | 
 |  21 </script> | 
 |  22 </body> | 
 |  23 </html> | 
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