<!DOCTYPE html> <title>Test the key value store</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/common/utils.js"></script> <script src="resources/utils.js"></script> <body> <script> promise_test(async () => { const key = token(); const test_value = "TESTVALUE"; let server_value = await readValueFromServer(key); assert_false(server_value.status, "The server returns a sentinel value when requesting a value " + "that the stash does not have"); server_value = await readValueFromServer(key); assert_false(server_value.status, "Requesting a not-set value twice is idempotent"); writeValueToServer(key, ""); server_value = await nextValueFromServer(key); assert_equals(server_value, "", "The server correctly identifies that an empty string was " + "set, and returns it, and not the sentinel value"); writeValueToServer(key, test_value); server_value = await nextValueFromServer(key); assert_equals(server_value, test_value, "The server correctly sets and returns non-empty strings"); writeValueToServer(key, ""); server_value = await nextValueFromServer(key); assert_equals(server_value, "", "The server correctly identifies empty strings after dealing " + "with non-empty-string values"); }, "Test the key-value store, specifically with empty strings"); </script> </body>