The Tor Browser: accessible/tests/mochitest/states.js@97036ab72558 (annotated)

accessible/tests/mochitest/states.js@97036ab72558 (annotated)

accessible/tests/mochitest/states.js

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 ////////////////////////////////////////////////////////////////////////////////
 // Helper functions for accessible states testing.
 //
 // requires:
 //   common.js
 //   role.js
 //
 ////////////////////////////////////////////////////////////////////////////////
 ////////////////////////////////////////////////////////////////////////////////
 // State constants
 // const STATE_BUSY is defined in common.js
 const STATE_CHECKED = nsIAccessibleStates.STATE_CHECKED;
 const STATE_CHECKABLE = nsIAccessibleStates.STATE_CHECKABLE;
 const STATE_COLLAPSED = nsIAccessibleStates.STATE_COLLAPSED;
 const STATE_DEFAULT = nsIAccessibleStates.STATE_DEFAULT;
 const STATE_EXPANDED = nsIAccessibleStates.STATE_EXPANDED;
 const STATE_EXTSELECTABLE = nsIAccessibleStates.STATE_EXTSELECTABLE;
 const STATE_FLOATING = nsIAccessibleStates.STATE_FLOATING;
 const STATE_FOCUSABLE = nsIAccessibleStates.STATE_FOCUSABLE;
 const STATE_FOCUSED = nsIAccessibleStates.STATE_FOCUSED;
 const STATE_HASPOPUP = nsIAccessibleStates.STATE_HASPOPUP;
 const STATE_INVALID = nsIAccessibleStates.STATE_INVALID;
 const STATE_INVISIBLE = nsIAccessibleStates.STATE_INVISIBLE;
 const STATE_LINKED = nsIAccessibleStates.STATE_LINKED;
 const STATE_MIXED = nsIAccessibleStates.STATE_MIXED;
 const STATE_MULTISELECTABLE = nsIAccessibleStates.STATE_MULTISELECTABLE;
 const STATE_OFFSCREEN = nsIAccessibleStates.STATE_OFFSCREEN;
 const STATE_PRESSED = nsIAccessibleStates.STATE_PRESSED;
 const STATE_PROTECTED = nsIAccessibleStates.STATE_PROTECTED;
 const STATE_READONLY = nsIAccessibleStates.STATE_READONLY;
 const STATE_REQUIRED = nsIAccessibleStates.STATE_REQUIRED;
 const STATE_SELECTABLE = nsIAccessibleStates.STATE_SELECTABLE;
 const STATE_SELECTED = nsIAccessibleStates.STATE_SELECTED;
 const STATE_TRAVERSED = nsIAccessibleStates.STATE_TRAVERSED;
 const STATE_UNAVAILABLE = nsIAccessibleStates.STATE_UNAVAILABLE;
 const EXT_STATE_ACTIVE = nsIAccessibleStates.EXT_STATE_ACTIVE;
 const EXT_STATE_DEFUNCT = nsIAccessibleStates.EXT_STATE_DEFUNCT;
 const EXT_STATE_EDITABLE = nsIAccessibleStates.EXT_STATE_EDITABLE;
 const EXT_STATE_ENABLED = nsIAccessibleStates.EXT_STATE_ENABLED;
 const EXT_STATE_EXPANDABLE = nsIAccessibleStates.EXT_STATE_EXPANDABLE;
 const EXT_STATE_HORIZONTAL = nsIAccessibleStates.EXT_STATE_HORIZONTAL;
 const EXT_STATE_MULTI_LINE = nsIAccessibleStates.EXT_STATE_MULTI_LINE;
 const EXT_STATE_PINNED = nsIAccessibleStates.EXT_STATE_PINNED;
 const EXT_STATE_SENSITIVE = nsIAccessibleStates.EXT_STATE_SENSITIVE;
 const EXT_STATE_SINGLE_LINE = nsIAccessibleStates.EXT_STATE_SINGLE_LINE;
 const EXT_STATE_STALE = nsIAccessibleStates.EXT_STATE_STALE;
 const EXT_STATE_SUPPORTS_AUTOCOMPLETION =
   nsIAccessibleStates.EXT_STATE_SUPPORTS_AUTOCOMPLETION;
 const EXT_STATE_VERTICAL = nsIAccessibleStates.EXT_STATE_VERTICAL;
 const kOrdinalState = 0;
 const kExtraState = 1;
 ////////////////////////////////////////////////////////////////////////////////
 // Test functions
 /**
  * Tests the states and extra states of the given accessible.
  * Also tests for unwanted states and extra states.
  * In addition, the function performs a few plausibility checks derived from the
  * sstates and extra states passed in.
  *
  * @param aAccOrElmOrID      The accessible, DOM element or ID to be tested.
  * @param aState             The state bits that are wanted.
  * @param aExtraState        The extra state bits that are wanted.
  * @param aAbsentState       State bits that are not wanted.
  * @param aAbsentExtraState  Extra state bits that are not wanted.
  * @param aTestName          The test name.
  */
 function testStates(aAccOrElmOrID, aState, aExtraState, aAbsentState,
                     aAbsentExtraState, aTestName)
 {
   var [state, extraState] = getStates(aAccOrElmOrID);
   var role = getRole(aAccOrElmOrID);
   var id = prettyName(aAccOrElmOrID) + (aTestName ? " [" + aTestName + "]": "");
   // Primary test.
   if (aState) {
     isState(state & aState, aState, false,
             "wrong state bits for " + id + "!");
   }
   if (aExtraState)
     isState(extraState & aExtraState, aExtraState, true,
             "wrong extra state bits for " + id + "!");
   if (aAbsentState)
     isState(state & aAbsentState, 0, false,
             "state bits should not be present in ID " + id + "!");
   if (aAbsentExtraState)
     isState(extraState & aAbsentExtraState, 0, true,
             "extraState bits should not be present in ID " + id + "!");
   // Additional test.
   // focused/focusable
   if (state & STATE_FOCUSED)
     isState(state & STATE_FOCUSABLE, STATE_FOCUSABLE, false,
             "Focussed " + id + " must be focusable!");
   if (aAbsentState && (aAbsentState & STATE_FOCUSABLE)) {
     isState(state & STATE_FOCUSED, 0, false,
               "Not focusable " + id + " must be not focused!");
   }
   // multiline/singleline
   if (extraState & EXT_STATE_MULTI_LINE)
     isState(extraState & EXT_STATE_SINGLE_LINE, 0, true,
             "Multiline " + id + " cannot be singleline!");
   if (extraState & EXT_STATE_SINGLE_LINE)
     isState(extraState & EXT_STATE_MULTI_LINE, 0, true,
             "Singleline " + id + " cannot be multiline!");
   // expanded/collapsed/expandable
   if (state & STATE_COLLAPSED || state & STATE_EXPANDED)
     isState(extraState & EXT_STATE_EXPANDABLE, EXT_STATE_EXPANDABLE, true,
             "Collapsed or expanded " + id + " must be expandable!");
   if (state & STATE_COLLAPSED)
     isState(state & STATE_EXPANDED, 0, false,
             "Collapsed " + id + " cannot be expanded!");
   if (state & STATE_EXPANDED)
     isState(state & STATE_COLLAPSED, 0, false,
             "Expanded " + id + " cannot be collapsed!");
   if (aAbsentState && (extraState & EXT_STATE_EXPANDABLE)) {
     if (aAbsentState & STATE_EXPANDED) {
       isState(state & STATE_COLLAPSED, STATE_COLLAPSED, false,
               "Not expanded " + id + " must be collapsed!");
     } else if (aAbsentState & STATE_COLLAPSED) {
       isState(state & STATE_EXPANDED, STATE_EXPANDED, false,
               "Not collapsed " + id + " must be expanded!");
     }
   }
   // checked/mixed/checkable
   if (state & STATE_CHECKED || state & STATE_MIXED &&
       role != ROLE_TOGGLE_BUTTON && role != ROLE_PROGRESSBAR)
     isState(state & STATE_CHECKABLE, STATE_CHECKABLE, false,
             "Checked or mixed element must be checkable!");
   if (state & STATE_CHECKED)
     isState(state & STATE_MIXED, 0, false,
             "Checked element cannot be state mixed!");
   if (state & STATE_MIXED)
     isState(state & STATE_CHECKED, 0, false,
             "Mixed element cannot be state checked!");
   // selected/selectable
   if (state & STATE_SELECTED) {
     isState(state & STATE_SELECTABLE, STATE_SELECTABLE, false,
             "Selected element must be selectable!");
   }
 }
 /**
  * Tests an acessible and its sub tree for the passed in state bits.
  * Used to make sure that states are propagated to descendants, for example the
  * STATE_UNAVAILABLE from a container to its children.
  *
  * @param aAccOrElmOrID  The accessible, DOM element or ID to be tested.
  * @param aState         The state bits that are wanted.
  * @param aExtraState    The extra state bits that are wanted.
  * @param aAbsentState   State bits that are not wanted.
  */
 function testStatesInSubtree(aAccOrElmOrID, aState, aExtraState, aAbsentState)
 {
   // test accessible and its subtree for propagated states.
   var acc = getAccessible(aAccOrElmOrID);
   if (!acc)
     return;
   if (getRole(acc) != ROLE_TEXT_LEAF)
     // Right now, text leafs don't get tested because the states are not being
     // propagated.
     testStates(acc, aState, aExtraState, aAbsentState);
   // Iterate over its children to see if the state got propagated.
   var children = null;
   try {
     children = acc.children;
   } catch(e) {}
   ok(children, "Could not get children for " + aAccOrElmOrID +"!");
   if (children) {
     for (var i = 0; i < children.length; i++) {
       var childAcc = children.queryElementAt(i, nsIAccessible);
       testStatesInSubtree(childAcc, aState, aExtraState, aAbsentState);
     }
   }
 }
 function getStringStates(aAccOrElmOrID)
 {
   var [state, extraState] = getStates(aAccOrElmOrID);
   return statesToString(state, extraState);
 }
 function getStates(aAccOrElmOrID)
 {
   var acc = getAccessible(aAccOrElmOrID);
   if (!acc)
     return [0, 0];
   var state = {}, extraState = {};
   acc.getState(state, extraState);
   return [state.value, extraState.value];
 }
 /**
  * Return true if the accessible has given states.
  */
 function hasState(aAccOrElmOrID, aState, aExtraState)
 {
   var [state, exstate] = getStates(aAccOrElmOrID);
   return (aState ? state & aState : true) &&
     (aExtraState ? exstate & aExtraState : true);
 }
 ////////////////////////////////////////////////////////////////////////////////
 // Private implementation details
 /**
  * Analogy of SimpleTest.is function used to compare states.
  */
 function isState(aState1, aState2, aIsExtraStates, aMsg)
 {
   if (aState1 == aState2) {
     ok(true, aMsg);
     return;
   }
   var got = "0";
   if (aState1) {
     got = statesToString(aIsExtraStates ? 0 : aState1,
                          aIsExtraStates ? aState1 : 0);
   }
   var expected = "0";
   if (aState2) {
     expected = statesToString(aIsExtraStates ? 0 : aState2,
                               aIsExtraStates ? aState2 : 0);
   }
   ok(false, aMsg + "got '" + got + "', expected '" + expected + "'");
 }