[ServiceWorker] Tests for Cache

LayoutTests/http/tests/serviceworker/cache-put-expected.txt

Index: LayoutTests/http/tests/serviceworker/cache-put-expected.txt
diff --git a/LayoutTests/http/tests/serviceworker/cache-put-expected.txt b/LayoutTests/http/tests/serviceworker/cache-put-expected.txt
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+This is a testharness.js-based test.
+PASS Service Worker: Cache.put 
+FAIL Cache.put result on success assert_equals: Cache.put should resolve with undefined on success. expected (undefined) undefined but got (object) object "[object Response]"
+PASS Cache.put with a valid request and response 
+FAIL Cache.put with request containing a body assert_false: Cache.put should not consume Request body. expected false got true
+FAIL Cache.put with a response containing an empty URL assert_equals: Cache.put should update the cache with new request and response. :[object].url expected "" but got "https://example.com/foo"
+FAIL Cache.put with an existing request Entry already exists.
+FAIL Cache.put with an invalid request assert_promise_rejects: Cache.put should only accept a Request object as the request. Promise did not reject.
+FAIL Cache.put with a non-HTTP/HTTPS request assert_promise_rejects: Cache.put should reject non-HTTP/HTTPS requests with a TypeError. Promise did not reject.
+FAIL Cache.put with a relative URL assert_equals: Cache.put should accept a relative URL as the request. :[object].url expected "" but got "http://127.0.0.1:8000/serviceworker/resources/relative-url"
+FAIL Cache.put with a non-GET request assert_promise_rejects: Cache.put should throw a TypeError for non-GET requests. Promise did not reject.
+FAIL Cache.put with a non-GET request assert_promise_rejects: Cache.put should throw a TypeError for non-GET requests. Promise did not reject.
+Harness: the test ran to completion.
+