Browser automation
test lab.

ref-duplicate

Same-name controls retain exact identity

3 steps · References

Same-name controls retain exact identity

ref-moved

Moving the same node preserves its reference

4 steps · References

Moving the same node preserves its reference

ref-renamed

Renaming the same node preserves its reference

4 steps · References

Renaming the same node preserves its reference

ref-clone

An identical clone cannot inherit a detached reference

6 steps · References

An identical clone cannot inherit a detached reference

ref-removed

Removing one duplicate cannot redirect its reference

6 steps · References

Removing one duplicate cannot redirect its reference

ref-replaced

Replacing and reversing duplicates invalidates old references

6 steps · References

Replacing and reversing duplicates invalidates old references

ref-find-refresh

Find installs the reference mapping used by the next action

4 steps · References

Find installs the reference mapping used by the next action

ref-unknown

Unknown reference fails and a valid selector still works

4 steps · References

Unknown reference fails and a valid selector still works

selector-attribute

Target by attribute selector

2 steps · Selectors

Target by attribute selector

selector-escaped

Target by escaped selector

2 steps · Selectors

Target by escaped selector

selector-combinator

Target by combinator selector

2 steps · Selectors

Target by combinator selector

selector-compound

Target by compound selector

2 steps · Selectors

Target by compound selector

selector-invalid

Invalid CSS selector reports an error without damaging the page

3 steps · Selectors

Invalid CSS selector reports an error without damaging the page

snapshot-role-h1

h1 has the documented snapshot role

1 steps · Snapshots

h1 has the documented snapshot role

snapshot-role-h2

h2 has the documented snapshot role

1 steps · Snapshots

h2 has the documented snapshot role

snapshot-role-h3

h3 has the documented snapshot role

1 steps · Snapshots

h3 has the documented snapshot role

snapshot-role-h4

h4 has the documented snapshot role

1 steps · Snapshots

h4 has the documented snapshot role

snapshot-role-h5

h5 has the documented snapshot role

1 steps · Snapshots

h5 has the documented snapshot role

snapshot-role-h6

h6 has the documented snapshot role

1 steps · Snapshots

h6 has the documented snapshot role

snapshot-role-button

button has the documented snapshot role

1 steps · Snapshots

button has the documented snapshot role

snapshot-role-textarea

textarea has the documented snapshot role

1 steps · Snapshots

textarea has the documented snapshot role

snapshot-label-for

Accessible name: label-for

1 steps · Snapshots

Accessible name: label-for

snapshot-label-wrap

Accessible name: label-wrap

1 steps · Snapshots

Accessible name: label-wrap

snapshot-placeholder

Accessible name: placeholder

1 steps · Snapshots

Accessible name: placeholder

snapshot-title

Accessible name: title

1 steps · Snapshots

Accessible name: title

snapshot-aria-label

Accessible name: aria-label

1 steps · Snapshots

Accessible name: aria-label

snapshot-labelledby

Accessible name: labelledby

1 steps · Snapshots

Accessible name: labelledby

snapshot-labelledby-list

Accessible name: labelledby-list

1 steps · Snapshots

Accessible name: labelledby-list

snapshot-empty-label-fallback

Accessible name: empty-label-fallback

1 steps · Snapshots

Accessible name: empty-label-fallback

snapshot-name-precedence

Accessible name: name-precedence

1 steps · Snapshots

Accessible name: name-precedence

snapshot-nested-text

Preserve nested-text

1 steps · Snapshots

Preserve nested-text

snapshot-bare-text

Preserve bare-text

1 steps · Snapshots

Preserve bare-text

snapshot-unicode

Preserve unicode

1 steps · Snapshots

Preserve unicode

snapshot-whitespace

Preserve whitespace

1 steps · Snapshots

Preserve whitespace

snapshot-wrapper-dedup

A link-only list item is represented once

1 steps · Snapshots

A link-only list item is represented once

snapshot-scope

Scoped snapshots exclude neighboring content

1 steps · Snapshots

Scoped snapshots exclude neighboring content

snapshot-image-link

Image alt supplies the image-only link name

1 steps · Snapshots

Image alt supplies the image-only link name

snapshot-aria-hidden

ARIA-hidden controls are omitted but remain DOM-addressable

3 steps · Snapshots

ARIA-hidden controls are omitted but remain DOM-addressable

snapshot-count-0

Snapshot default limit with 0 controls

1 steps · Boundaries

Snapshot default limit with 0 controls

snapshot-count-1

Snapshot default limit with 1 controls

1 steps · Boundaries

Snapshot default limit with 1 controls

snapshot-count-999

Snapshot default limit with 999 controls

1 steps · Boundaries

Snapshot default limit with 999 controls

snapshot-count-1000

Snapshot default limit with 1000 controls

1 steps · Boundaries

Snapshot default limit with 1000 controls

snapshot-count-1001

Snapshot default limit with 1001 controls

1 steps · Boundaries

Snapshot default limit with 1001 controls

snapshot-max-0

Explicit snapshot max=0

1 steps · Boundaries

Explicit snapshot max=0

snapshot-max-1

Explicit snapshot max=1

1 steps · Boundaries

Explicit snapshot max=1

snapshot-max-3

Explicit snapshot max=3

1 steps · Boundaries

Explicit snapshot max=3

snapshot-name-79

name truncation at 79 characters

1 steps · Boundaries

name truncation at 79 characters

snapshot-name-80

name truncation at 80 characters

1 steps · Boundaries

name truncation at 80 characters

snapshot-name-81

name truncation at 81 characters

1 steps · Boundaries

name truncation at 81 characters

snapshot-text-199

text truncation at 199 characters

1 steps · Boundaries

text truncation at 199 characters

snapshot-text-200

text truncation at 200 characters

1 steps · Boundaries

text truncation at 200 characters

snapshot-text-201

text truncation at 201 characters

1 steps · Boundaries

text truncation at 201 characters

snapshot-text-format

Text snapshots escape names and preserve link destinations

1 steps · Snapshots

Text snapshots escape names and preserve link destinations

find-anchored

Find regex anchors match an individual name field

1 steps · Selectors

Find regex anchors match an individual name field

find-invalid-regex

Invalid regular expression is bounded and recoverable

2 steps · Selectors

Invalid regular expression is bounded and recoverable

attributes-properties

Attribute reads distinguish DOM attributes from live values

6 steps · Extraction

Attribute reads distinguish DOM attributes from live values

input-text-1

Fill text: ''

5 steps · Inputs

Fill text: ''

input-text-2

Fill text: 'replacement'

5 steps · Inputs

Fill text: 'replacement'

input-text-3

Fill text: ' héllo 日本語 🎉 مرحبا '

5 steps · Inputs

Fill text: ' héllo 日本語 🎉 مرحبا '

input-search-1

Fill search: 'query'

5 steps · Inputs

Fill search: 'query'

input-tel-1

Fill tel: '+1 555 0100'

5 steps · Inputs

Fill tel: '+1 555 0100'

input-password-1

Fill password: 'p@ss-秘密'

5 steps · Inputs

Fill password: 'p@ss-秘密'

input-email-1

Fill email: 'qa@example.test'

5 steps · Inputs

Fill email: 'qa@example.test'

input-email-2

Fill email: 'invalid'

5 steps · Inputs

Fill email: 'invalid'

input-url-1

Fill url: 'https://example.test/a?q=1'

5 steps · Inputs

Fill url: 'https://example.test/a?q=1'

input-url-2

Fill url: 'invalid'

5 steps · Inputs

Fill url: 'invalid'

input-number-1

Fill number: '0'

5 steps · Inputs

Fill number: '0'

input-number-2

Fill number: '-12'

5 steps · Inputs

Fill number: '-12'

input-number-3

Fill number: '1.5'

5 steps · Inputs

Fill number: '1.5'

input-number-4

Fill number: '1e3'

5 steps · Inputs

Fill number: '1e3'

input-range-1

Fill range: '0'

5 steps · Inputs

Fill range: '0'

input-range-2

Fill range: '50'

5 steps · Inputs

Fill range: '50'

input-range-3

Fill range: '100'

5 steps · Inputs

Fill range: '100'

input-date-1

Fill date: '2024-02-29'

5 steps · Inputs

Fill date: '2024-02-29'

input-month-1

Fill month: '2026-10'

5 steps · Inputs

Fill month: '2026-10'

input-week-1

Fill week: '2026-W44'

5 steps · Inputs

Fill week: '2026-W44'

input-time-1

Fill time: '13:45'

5 steps · Inputs

Fill time: '13:45'

input-datetime-local-1

Fill datetime-local: '2026-10-28T13:45'

5 steps · Inputs

Fill datetime-local: '2026-10-28T13:45'

input-color-1

Fill color: '#336699'

5 steps · Inputs

Fill color: '#336699'

fill-textarea

Replace textarea contents

2 steps · Inputs

Replace textarea contents

fill-contenteditable

Replace contenteditable contents

2 steps · Inputs

Replace contenteditable contents

fill-empty-contenteditable

Replace empty-contenteditable contents

2 steps · Inputs

Replace empty-contenteditable contents

fill-plaintext

Replace plaintext contents

2 steps · Inputs

Replace plaintext contents

type-ascii

Type ascii text with per-character events

3 steps · Keyboard

Type ascii text with per-character events

type-emoji

Type emoji text with per-character events

3 steps · Keyboard

Type emoji text with per-character events

type-combining

Type combining text with per-character events

3 steps · Keyboard

Type combining text with per-character events

type-empty

Type empty text with per-character events

3 steps · Keyboard

Type empty text with per-character events

type-plus

Type plus text with per-character events

3 steps · Keyboard

Type plus text with per-character events

fill-disabled-control

Reject a disabled control

3 steps · Inputs

Reject a disabled control

fill-disabled-fieldset

Reject a disabled fieldset

3 steps · Inputs

Reject a disabled fieldset

fieldset-legend

First legend control remains enabled in a disabled fieldset

3 steps · Inputs

First legend control remains enabled in a disabled fieldset

readonly

Readonly input should resist editing

2 steps · Inputs

Readonly input should resist editing

fill-wrong-target

A noneditable paragraph rejects fill

2 steps · Inputs

A noneditable paragraph rejects fill

fill-form-partial

A form batch stops at its first failed field

2 steps · Forms

A form batch stops at its first failed field

form-invalid

Required validation prevents submission

3 steps · Forms

Required validation prevents submission

form-enter

Enter submits valid form once, including hidden fields

4 steps · Forms

Enter submits valid form once, including hidden fields

form-reset

Reset restores initial value and checked state

4 steps · Forms

Reset restores initial value and checked state

form-associated

An external form-associated input participates in submission

3 steps · Forms

An external form-associated input participates in submission

select-value

Select by value

3 steps · Selects

Select by value

select-text

Select by text

3 steps · Selects

Select by text

select-case

Select by case

3 steps · Selects

Select by case

select-multi

Multiselect accepts a mixture of values and text

2 steps · Selects

Multiselect accepts a mixture of values and text

select-invalid-multi

Missing multiselect option leaves state and events untouched

4 steps · Selects

Missing multiselect option leaves state and events untouched

select-clear

Empty array clears a multiselect

3 steps · Selects

Empty array clears a multiselect

select-label-override

Option naming compatibility: label-override

2 steps · Selects

Option naming compatibility: label-override

select-nbsp

Option naming compatibility: nbsp

2 steps · Selects

Option naming compatibility: nbsp

select-zero-width

Option naming compatibility: zero-width

2 steps · Selects

Option naming compatibility: zero-width

select-case-sensitive

Option values remain case-sensitive

2 steps · Selects

Option values remain case-sensitive

select-empty-value

Empty-string option values are selectable

2 steps · Selects

Empty-string option values are selectable

checkbox-idempotent

Check and uncheck are idempotent

6 steps · Checkboxes

Check and uncheck are idempotent

radio-group

Radio selection only changes its own group

2 steps · Checkboxes

Radio selection only changes its own group

checkbox-cancelled

Canceled checkbox activation reports actual state

2 steps · Checkboxes

Canceled checkbox activation reports actual state

checkbox-hidden-label

Visible label activates its hidden native checkbox

2 steps · Checkboxes

Visible label activates its hidden native checkbox

checkbox-aria-click

Clicking a custom ARIA checkbox changes application state

3 steps · Checkboxes

Clicking a custom ARIA checkbox changes application state

hit-display-none

Reject unreachable target: display-none

2 steps · Hit testing

Reject unreachable target: display-none

hit-hidden

Reject unreachable target: hidden

2 steps · Hit testing

Reject unreachable target: hidden

hit-ancestor-hidden

Reject unreachable target: ancestor-hidden

2 steps · Hit testing

Reject unreachable target: ancestor-hidden

hit-outside

Reject unreachable target: outside

2 steps · Hit testing

Reject unreachable target: outside

hit-pointer-none

Reject unreachable target: pointer-none

2 steps · Hit testing

Reject unreachable target: pointer-none

hit-opacity-zero

Activate target with opacity-zero

2 steps · Hit testing

Activate target with opacity-zero

hit-transformed

Activate target with transformed

2 steps · Hit testing

Activate target with transformed

hit-below-fold

Activate target with below-fold

2 steps · Hit testing

Activate target with below-fold

hit-contents

Activate target with contents

2 steps · Hit testing

Activate target with contents

hit-rtl

Activate target with rtl

2 steps · Hit testing

Activate target with rtl

hit-vertical

Activate target with vertical

2 steps · Hit testing

Activate target with vertical

layout-flex

Target identity in flex layout

3 steps · CSS layout

Target identity in flex layout

layout-grid

Target identity in grid layout

3 steps · CSS layout

Target identity in grid layout

layout-table

Target identity in table layout

3 steps · CSS layout

Target identity in table layout

layout-inline-block

Target identity in inline-block layout

3 steps · CSS layout

Target identity in inline-block layout

layout-flow-root

Target identity in flow-root layout

3 steps · CSS layout

Target identity in flow-root layout

layout-float

Target identity with float

2 steps · CSS layout

Target identity with float

layout-columns

Target identity with columns

2 steps · CSS layout

Target identity with columns

layout-logical

Target identity with logical

2 steps · CSS layout

Target identity with logical

layout-custom-property

Target identity with custom-property

2 steps · CSS layout

Target identity with custom-property

layout-content-visibility

Target identity with content-visibility

2 steps · CSS layout

Target identity with content-visibility

hit-overlay

Transparent pointer-active overlay blocks the target

5 steps · Hit testing

Transparent pointer-active overlay blocks the target

hit-overlay-pass-through

Pointer-inactive overlay allows the target click

2 steps · Hit testing

Pointer-inactive overlay allows the target click

hit-force

Force explicitly bypasses an overlay

2 steps · Hit testing

Force explicitly bypasses an overlay

hit-overlay-release

Waiting click completes once an overlay is released

4 steps · Hit testing

Waiting click completes once an overlay is released

hit-nested-scroll

Nested containers scroll to the intended target

3 steps · Hit testing

Nested containers scroll to the intended target

hit-hidden-override

CSS can override the hidden attribute rendering

2 steps · Hit testing

CSS can override the hidden attribute rendering

hit-details

Opening details reveals its control

4 steps · Hit testing

Opening details reveals its control

hit-visibility-override

A descendant can override inherited hidden visibility

3 steps · Hit testing

A descendant can override inherited hidden visibility

hit-shadow-descendant

A shadow descendant receives hits inside its button

2 steps · Hit testing

A shadow descendant receives hits inside its button

hit-inert

Inert background rejects interactive actions

2 steps · Hit testing

Inert background rejects interactive actions

hit-coordinate

A coordinate click on an icon bubbles to its button once

4 steps · Hit testing

A coordinate click on an icon bubbles to its button once

hit-svg-stroke

SVG stroke remains interactive with zero geometric height

2 steps · Hit testing

SVG stroke remains interactive with zero geometric height

event-click-order

Click produces one activation and ordered mouse events

3 steps · Events

Click produces one activation and ordered mouse events

event-propagation

Capture, target, and bubble listeners fire in order

2 steps · Events

Capture, target, and bubble listeners fire in order

event-stop-propagation

Stopped propagation does not activate the parent

2 steps · Events

Stopped propagation does not activate the parent

key-control-k

Keyboard modifiers: Control+k

2 steps · Keyboard

Keyboard modifiers: Control+k

key-shift-a

Keyboard modifiers: Shift+A

2 steps · Keyboard

Keyboard modifiers: Shift+A

key-alt-x

Keyboard modifiers: Alt+x

2 steps · Keyboard

Keyboard modifiers: Alt+x

key-meta-k

Keyboard modifiers: Meta+k

2 steps · Keyboard

Keyboard modifiers: Meta+k

key-cancelled-press

Canceled printable press does not insert text

2 steps · Keyboard

Canceled printable press does not insert text

key-cancelled-type

Canceled keydown should suppress typed insertion

2 steps · Keyboard

Canceled keydown should suppress typed insertion

key-caret

Typing with a middle caret follows native editing semantics

3 steps · Keyboard

Typing with a middle caret follows native editing semantics

key-backspace

Backspace removes the preceding character

3 steps · Keyboard

Backspace removes the preceding character

hover-js

Synthetic hover opens a JavaScript menu

2 steps · Events

Synthetic hover opens a JavaScript menu

hover-css

Synthetic hover leaves native hover state unchanged

3 steps · Events

Bruster dispatches DOM hover events; it does not move the OS pointer or emulate CSS :hover.

drag-html5

HTML5 drag transfers one exact payload

4 steps · Drag and drop

HTML5 drag transfers one exact payload

drag-cancelled

Canceling dragstart should prevent the drop

2 steps · Drag and drop

Canceling dragstart should prevent the drop

drag-pointer-slider

Pointer-driven dragging changes actual slider position

2 steps · Drag and drop

Capability probe for native pointer capture and movement; Bruster currently promises HTML5 drag events.

upload-single

Upload single

4 steps · Uploads

Upload single

upload-multiple

Upload multiple

4 steps · Uploads

Upload multiple

upload-hidden

Upload hidden

4 steps · Uploads

Upload hidden

upload-empty-file

Upload empty-file

4 steps · Uploads

Upload empty-file

upload-unicode-name

Upload unicode-name

4 steps · Uploads

Upload unicode-name

upload-binary

Uploaded binary contents are byte-for-byte intact

2 steps · Uploads

Uploaded binary contents are byte-for-byte intact

upload-clear

Upload replaces and clears the file list

4 steps · Uploads

Upload replaces and clears the file list

upload-missing

Missing files report errors without losing the previous upload

3 steps · Uploads

Missing files report errors without losing the previous upload

shadow-open

Selectors and refs reach open shadow roots

4 steps · Composed trees

Selectors and refs reach open shadow roots

shadow-scope

Host-scoped snapshot includes its own shadow root

1 steps · Composed trees

Host-scoped snapshot includes its own shadow root

shadow-depth-1

Traverse 1 nested open shadow roots

2 steps · Composed trees

Traverse 1 nested open shadow roots

shadow-depth-5

Traverse 5 nested open shadow roots

2 steps · Composed trees

Traverse 5 nested open shadow roots

shadow-depth-20

Traverse 20 nested open shadow roots

2 steps · Composed trees

Traverse 20 nested open shadow roots

shadow-closed

Closed shadow contents stay outside selector traversal

2 steps · Composed trees

Closed shadow contents stay outside selector traversal

shadow-slots

Slotted controls remain actionable without duplicate discovery

3 steps · Composed trees

Slotted controls remain actionable without duplicate discovery

frame-same-origin

Same-origin frame controls work through selector and reference

7 steps · Composed trees

Same-origin frame controls work through selector and reference

frame-replaced-ref

Frame replacement invalidates child references

10 steps · Composed trees

Frame replacement invalidates child references

frame-removed-ref

Removing a frame invalidates references inside its document

7 steps · Composed trees

Removing a frame invalidates references inside its document

frame-offset-rect

Frame descendant rectangles use the top-level viewport

2 steps · Composed trees

Frame descendant rectangles use the top-level viewport

frame-cross-origin

Cross-origin child is inaccessible while parent remains usable

3 steps · Composed trees

Cross-origin child is inaccessible while parent remains usable

frame-sandbox

Opaque sandbox frame does not leak into traversal

1 steps · Composed trees

Opaque sandbox frame does not leak into traversal

responsive-480

Responsive breakpoint at viewport 480

4 steps · Rendering

Responsive breakpoint at viewport 480

responsive-960

Responsive breakpoint at viewport 960

4 steps · Rendering

Responsive breakpoint at viewport 960

container-query

Container queries respond to their container width

3 steps · Rendering

Container queries respond to their container width

screenshot-quadrants

Screenshot pixels contain the current viewport content

1 steps · Screenshots

Screenshot pixels contain the current viewport content

screenshot-canvas-update

Native capture reflects a canvas update

4 steps · Screenshots

Native capture reflects a canvas update

screenshot-clip

A clip contains the intended element pixels

2 steps · Screenshots

A clip contains the intended element pixels

screenshot-clip-windows

Windows explicitly rejects screenshot clipping

1 steps · Screenshots

Windows explicitly rejects screenshot clipping

screenshot-full-restore

Full-page capture includes the lower page and restores viewport

3 steps · Screenshots

Full-page capture includes the lower page and restores viewport

image-decoded

Image readiness includes successful decoding

2 steps · Rendering

Image readiness includes successful decoding

image-broken

Broken image has zero natural width and useful alt text

2 steps · Rendering

Broken image has zero natural width and useful alt text

render-mathml

MathML remains visible and surrounding controls work

3 steps · Rendering

MathML remains visible and surrounding controls work

render-media

Media elements expose stable poster and playback state

2 steps · Rendering

Media elements expose stable poster and playback state

color-scheme

Dark and light set the documented page color scheme

4 steps · Rendering

Dark and light set the documented page color scheme

resize-invalid-0-640

Reject viewport 0×640

2 steps · Boundaries

Reject viewport 0×640

resize-invalid-960-0

Reject viewport 960×0

2 steps · Boundaries

Reject viewport 960×0

resize-invalid-16001-1

Reject viewport 16001×1

2 steps · Boundaries

Reject viewport 16001×1

framework-react

react controlled input survives a rerender

6 steps · Frameworks

react controlled input survives a rerender

framework-vue

vue controlled input survives a rerender

6 steps · Frameworks

vue controlled input survives a rerender

framework-svelte

svelte controlled input survives a rerender

6 steps · Frameworks

svelte controlled input survives a rerender

workflow-search

Search selects the correct item despite duplicate names

5 steps · Workflows

Search selects the correct item despite duplicate names

workflow-decoy-login

Visible login fields receive values while hidden decoys stay untouched

7 steps · Workflows

Visible login fields receive values while hidden decoys stay untouched

workflow-modal-cancel

Canceling a modal edit preserves the record

9 steps · Workflows

Canceling a modal edit preserves the record

workflow-virtualized

Recycled DOM nodes are rediscovered after virtual scrolling

5 steps · Workflows

Recycled DOM nodes are rediscovered after virtual scrolling

wait-insert-attached

Wait for an explicitly released attached element

5 steps · Waiting

Wait for an explicitly released attached element

wait-insert-visible

Wait for an explicitly released visible element

5 steps · Waiting

Wait for an explicitly released visible element

wait-hidden-attached

Attached and visible are distinct states

5 steps · Waiting

Attached and visible are distinct states

wait-disappear

Hidden wait resolves after element removal

4 steps · Waiting

Hidden wait resolves after element removal

wait-detached-ref

A detached reference must not satisfy attached

3 steps · Waiting

A detached reference must not satisfy attached

wait-text

Text present and text gone follow explicit page transitions

7 steps · Waiting

Text present and text gone follow explicit page transitions

wait-timeout

A missing condition times out and leaves the session usable

2 steps · Waiting

A missing condition times out and leaves the session usable

wait-zero-time

Explicit zero-duration wait completes immediately

1 steps · Waiting

Explicit zero-duration wait completes immediately

async-promise

Wait for a promise DOM update

3 steps · Async JavaScript

Wait for a promise DOM update

async-microtask

Wait for a microtask DOM update

3 steps · Async JavaScript

Wait for a microtask DOM update

async-timer

Wait for a timer DOM update

3 steps · Async JavaScript

Wait for a timer DOM update

async-animation

Wait for a animation DOM update

3 steps · Async JavaScript

Wait for a animation DOM update

async-observer

Wait for a observer DOM update

3 steps · Async JavaScript

Wait for a observer DOM update

request-late-reply

Expired running promise produces only one reply

4 steps · Timeouts

Expired running promise produces only one reply

request-zero

A zero-deadline operation never executes

2 steps · Timeouts

A zero-deadline operation never executes

request-queued-expiry

Operation expiring behind navigation never runs afterward

4 steps · Timeouts

Operation expiring behind navigation never runs afterward

navigation-hash

Hash navigation keeps the document and updates URL

4 steps · Navigation

Hash navigation keeps the document and updates URL

navigation-history-state

Same-URL history restores the correct state object

5 steps · Navigation

Same-URL history restores the correct state object

navigation-pushstate

PushState and back expose the correct URL and document

4 steps · Navigation

PushState and back expose the correct URL and document

navigation-same-url

Repeated same-URL navigation loads a fresh document

3 steps · Navigation

Repeated same-URL navigation loads a fresh document

navigation-cancelled

Canceled link navigation does not stall later calls

3 steps · Navigation

Canceled link navigation does not stall later calls

navigation-reload

Reload discards document-local mutations

3 steps · Navigation

Reload discards document-local mutations

navigation-redirect

HTTP redirects return the final URL

3 steps · Navigation

HTTP redirects return the final URL

navigation-dom

DOM navigation completes before a controlled slow image

4 steps · Navigation

DOM navigation completes before a controlled slow image

navigation-load

Load navigation waits for a gated subresource

5 steps · Navigation

Load navigation waits for a gated subresource

navigation-failure-recovery

A connection failure is followed by successful navigation

3 steps · Navigation

A connection failure is followed by successful navigation

tab-new-current

New tab is ready without changing the current tab

4 steps · Tabs

New tab is ready without changing the current tab

tab-switch

Switching tabs changes the default command target

5 steps · Tabs

Switching tabs changes the default command target

tab-close-pending

Closing a tab answers its pending work

5 steps · Tabs

Closing a tab answers its pending work

tab-last

Closing the last tab fails without closing the session

3 steps · Tabs

Closing the last tab fails without closing the session

tab-blank-link

A blank-target link creates exactly one tab

4 steps · Tabs

A blank-target link creates exactly one tab

tab-first-init

Init script executes before the first page script in a new tab

3 steps · Tabs

Init script executes before the first page script in a new tab

launch-user-agent

Configured user agent reaches initial and subsequent tabs

4 steps · Launch options

Configured user agent reaches initial and subsequent tabs

fetch-string

Fetch accepts a string input

3 steps · Network

Fetch accepts a string input

fetch-request

Fetch accepts a request input

3 steps · Network

Fetch accepts a request input

fetch-url

Fetch accepts a url input

3 steps · Network

Fetch accepts a url input

fetch-status-200

HTTP 200 remains a response rather than a transport error

2 steps · Network

HTTP 200 remains a response rather than a transport error

fetch-status-204

HTTP 204 remains a response rather than a transport error

2 steps · Network

HTTP 204 remains a response rather than a transport error

fetch-status-404

HTTP 404 remains a response rather than a transport error

2 steps · Network

HTTP 404 remains a response rather than a transport error

fetch-status-500

HTTP 500 remains a response rather than a transport error

2 steps · Network

HTTP 500 remains a response rather than a transport error

fetch-headers

Request headers reach the server and response headers remain inspectable

4 steps · Network

Request headers reach the server and response headers remain inspectable

fetch-post

POST body and method reach the HTTP fixture exactly

1 steps · Network

POST body and method reach the HTTP fixture exactly

xhr-text

XHR text response is preserved by instrumentation

2 steps · Network

XHR text response is preserved by instrumentation

xhr-json

XHR json response is preserved by instrumentation

2 steps · Network

XHR json response is preserved by instrumentation

xhr-arraybuffer

XHR arraybuffer response is preserved by instrumentation

2 steps · Network

XHR arraybuffer response is preserved by instrumentation

fetch-abort

Aborted fetch records failure and permits later requests

2 steps · Network

Aborted fetch records failure and permits later requests

network-body-16383

ASCII response body prefix at 16383 characters

4 steps · Network

ASCII response body prefix at 16383 characters

network-body-16384

ASCII response body prefix at 16384 characters

4 steps · Network

ASCII response body prefix at 16384 characters

network-body-16385

ASCII response body prefix at 16385 characters

4 steps · Network

ASCII response body prefix at 16385 characters

network-clear

Clearing request logs resets entries and indexes

4 steps · Network

Clearing request logs resets entries and indexes

network-idle-gate

Network idle cannot complete while a gated request is pending

6 steps · Network

Network idle cannot complete while a gated request is pending

network-cors

A second origin supports explicitly permitted CORS

1 steps · Network

A second origin supports explicitly permitted CORS

network-cors-denied

A denied cross-origin request fails without breaking same-origin requests

2 steps · Network

A denied cross-origin request fails without breaking same-origin requests

cookie-set-read

Native cookie setting is visible in the page and other tabs

5 steps · Storage

Native cookie setting is visible in the page and other tabs

cookie-server

Server-set cookies reach the native cookie API

2 steps · Storage

Server-set cookies reach the native cookie API

cookie-paths

Same-named cookies on distinct paths remain distinguishable

3 steps · Storage

Same-named cookies on distinct paths remain distinguishable

storage-tabs

Local storage is shared while new-tab session storage is independent

4 steps · Storage

Local storage is shared while new-tab session storage is independent

storage-port-origin

Different ports isolate local storage

4 steps · Storage

Different ports isolate local storage

profile-persistence

Named profile preserves local storage across process restart

4 steps · Profiles

Named profile preserves local storage across process restart

session-isolation

Profile-free process restart discards local storage

4 steps · Profiles

Profile-free process restart discards local storage

indexeddb

IndexedDB writes are readable after their transaction commits

2 steps · Storage

IndexedDB writes are readable after their transaction commits

worker-message

Dedicated worker communication survives page instrumentation

1 steps · Workers

Dedicated worker communication survives page instrumentation

service-worker

Service worker registration is scoped and explicitly removable

2 steps · Workers

Service worker registration is scoped and explicitly removable

eval-number

JavaScript return serialization: number

1 steps · Evaluation

JavaScript return serialization: number

eval-string

JavaScript return serialization: string

1 steps · Evaluation

JavaScript return serialization: string

eval-boolean

JavaScript return serialization: boolean

1 steps · Evaluation

JavaScript return serialization: boolean

eval-null

JavaScript return serialization: null

1 steps · Evaluation

JavaScript return serialization: null

eval-undefined

JavaScript return serialization: undefined

1 steps · Evaluation

JavaScript return serialization: undefined

eval-array

JavaScript return serialization: array

1 steps · Evaluation

JavaScript return serialization: array

eval-object

JavaScript return serialization: object

1 steps · Evaluation

JavaScript return serialization: object

eval-promise

JavaScript return serialization: promise

1 steps · Evaluation

JavaScript return serialization: promise

eval-throw

Recover after JavaScript throw

2 steps · Evaluation

Recover after JavaScript throw

eval-syntax

Recover after JavaScript syntax

2 steps · Evaluation

Recover after JavaScript syntax

eval-rejection

Recover after JavaScript rejection

2 steps · Evaluation

Recover after JavaScript rejection

eval-cyclic

Cyclic result uses a JSON-safe fallback

2 steps · Evaluation

Cyclic result uses a JSON-safe fallback

eval-page-monkeypatch

Replacing page JSON.stringify cannot corrupt replies

3 steps · Evaluation

Replacing page JSON.stringify cannot corrupt replies

console-log

Console captures level log

5 steps · Console

Console captures level log

console-info

Console captures level info

5 steps · Console

Console captures level info

console-warn

Console captures level warn

5 steps · Console

Console captures level warn

console-error

Console captures level error

5 steps · Console

Console captures level error

console-debug

Console captures level debug

5 steps · Console

Console captures level debug

console-length-999

Console entry truncation at 999 characters

3 steps · Boundaries

Console entry truncation at 999 characters

console-length-1000

Console entry truncation at 1000 characters

3 steps · Boundaries

Console entry truncation at 1000 characters

console-length-1001

Console entry truncation at 1001 characters

3 steps · Boundaries

Console entry truncation at 1001 characters

console-unhandled

Unhandled promise rejection reaches console diagnostics

4 steps · Console

Unhandled promise rejection reaches console diagnostics

console-error-stack

Error diagnostics retain the message when the stack only contains frames

3 steps · Console

Error diagnostics retain the message when the stack only contains frames

dialog-confirm-true

Confirm returns true

4 steps · Dialogs

Confirm returns true

dialog-confirm-false

Confirm returns false

4 steps · Dialogs

Confirm returns false

dialog-prompt-text

Prompt response: text

3 steps · Dialogs

Prompt response: text

dialog-prompt-cancel

Prompt response: cancel

3 steps · Dialogs

Prompt response: cancel

dialog-prompt-empty

Prompt response: empty

3 steps · Dialogs

Prompt response: empty

dialog-alert

Alert emits a record and subsequent code runs

4 steps · Dialogs

Alert emits a record and subsequent code runs

beforeunload

Beforeunload cannot block navigation

3 steps · Dialogs

Beforeunload cannot block navigation

stress-dom-5000

Extract and interact with 5000 controls

3 steps · Stress

Extract and interact with 5000 controls

stress-dom-10000

Extract and interact with 10000 controls

3 steps · Stress

Extract and interact with 10000 controls

stress-console-count

Console collection stays bounded after 501 messages

3 steps · Stress

Console collection stays bounded after 501 messages

stress-large-result

A large Unicode result survives protocol framing

2 steps · Stress

A large Unicode result survives protocol framing

stress-tab-cycles

Repeated tab creation and closure returns to one tab

25 steps · Stress

Repeated tab creation and closure returns to one tab