| <!DOCTYPE html> |
| <title>IDBCursor.advance()</title> |
| <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| |
| var db, open; |
| |
| setup(function() { |
| open = indexedDB.open("testdb-" + new Date().getTime()); |
| open.onupgradeneeded = function(e) { |
| db = e.target.result; |
| var objStore = db.createObjectStore("test"); |
| objStore.createIndex("index", ""); |
| |
| objStore.add("cupcake", 5); |
| objStore.add("pancake", 3); // Yes, it is intended |
| objStore.add("pie", 1); |
| objStore.add("pie", 4); |
| objStore.add("taco", 2); |
| }; |
| }, |
| { explicit_done: true }); |
| |
| |
| open.onsuccess = function() { |
| |
| async_test(document.title + " - advances").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index").openCursor(); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 3, "count"); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| break; |
| |
| case 2: |
| assert_equals(cursor.value, "taco"); |
| assert_equals(cursor.primaryKey, 2); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(2); |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| async_test(document.title + " - advances backwards").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index").openCursor(null, "prev"); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 3, "count"); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "taco"); |
| assert_equals(cursor.primaryKey, 2); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| break; |
| |
| case 2: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(2); |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| async_test(document.title + " - skip far forward").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor(); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 1, "count"); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(100000); |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| |
| async_test(document.title + " - within range").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor(IDBKeyRange.lowerBound("cupcake", true)); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 2, "count"); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pancake"); |
| assert_equals(cursor.primaryKey, 3); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 4); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(2); |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| |
| async_test(document.title + " - within single key range").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor("pancake"); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 1, "count"); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pancake"); |
| assert_equals(cursor.primaryKey, 3); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(1); |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| |
| async_test(document.title + " - within single key range, with several results").step(function(e) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor("pie"); |
| |
| rq.onsuccess = this.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 2, "count"); |
| this.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 4); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(1); |
| }); |
| rq.onerror = fail(this, "unexpected error") |
| }); |
| |
| |
| // Stop blocking the testing system from hereon |
| done(); |
| } |
| |
| </script> |
| |
| <div id="log"></div> |
