[jira] [Created] (FLEX-34649) Fatal errors in TextBlock after pasting text of specific length in TextArea

["Mihai Chira (JIRA)" <ji...@apache.org>]

Mihai Chira created FLEX-34649:
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             Summary: Fatal errors in TextBlock after pasting text of specific length in TextArea
                 Key: FLEX-34649
                 URL: https://issues.apache.org/jira/browse/FLEX-34649
             Project: Apache Flex
          Issue Type: Bug
          Components: Spark: TextArea
    Affects Versions: Apache Flex 4.12.1
            Reporter: Mihai Chira
            Assignee: Mihai Chira


*Steps to reproduce*:
# Compile and run the attached project
# Click on the TextArea and press Ctrl+HOME
# Paste this text, _including the empty line at the end_: {noformat}This sentence needs to wrap with one or two characters like: w

{noformat}
# Press either
## DELETE
## LEFT

*Desired behaviour*: (for DELETE) the space is deleted without a fatal and (for LEFT) the cursor moves left without an error.
*Actual behaviour*:
# DELETE: {noformat}TypeError: Error #1009: Cannot access a property or method of a null object reference.
at flashx.textLayout.elements::ParagraphElement/findNextAtomBoundary()[C:\Users\evolverine\Adobe Flash Builder 4.7\FLEX-26478\src\flashx\textLayout\elements\ParagraphElement.as:576]
at flashx.textLayout.utils::NavigationUtil$/nextAtomHelper()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:93]
at flashx.textLayout.utils::NavigationUtil$/doIncrement()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:58]
at flashx.textLayout.utils::NavigationUtil$/nextAtomPosition()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:104]
at flashx.textLayout.edit::EditManager/deleteNextCharacter()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/edit/EditManager.as:1273]
at flashx.textLayout.edit::EditManager/keyDownHandler()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/edit/EditManager.as:371]
at flashx.textLayout.container::ContainerController/keyDownHandler()[C:\Users\evolverine\Adobe Flash Builder 4.7\FLEX-26478\src\flashx\textLayout\container\ContainerController.as:2539]
at flashx.textLayout.container::TextContainerManager/keyDownHandler()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/container/TextContainerManager.as:1889]
at spark.components.supportClasses::RichEditableTextContainerManager/keyDownHandler()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/RichEditableTextContainerManager.as:665]
{noformat}
# LEFT: {noformat}TypeError: Error #1009: Cannot access a property or method of a null object reference.
at flashx.textLayout.elements::ParagraphElement/findPreviousAtomBoundary()[C:\Users\evolverine\Adobe Flash Builder 4.7\FLEX-26478\src\flashx\textLayout\elements\ParagraphElement.as:493]
at flashx.textLayout.utils::NavigationUtil$/previousAtomHelper()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:70]
at flashx.textLayout.utils::NavigationUtil$/doIncrement()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:58]
at flashx.textLayout.utils::NavigationUtil$/previousAtomPosition()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:81]
at flashx.textLayout.utils::NavigationUtil$/moveBackwardHelper()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:229]
at flashx.textLayout.utils::NavigationUtil$/previousCharacter()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/utils/NavigationUtil.as:292]
at flashx.textLayout.edit::SelectionManager/handleLeftArrow()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/edit/SelectionManager.as:1640]
at flashx.textLayout.edit::SelectionManager/handleKeyEvent()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/edit/SelectionManager.as:1807]
at flashx.textLayout.edit::SelectionManager/keyDownHandler()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/edit/SelectionManager.as:1870]
at flashx.textLayout.edit::EditManager/keyDownHandler()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/edit/EditManager.as:291]
at flashx.textLayout.container::ContainerController/keyDownHandler()[C:\Users\evolverine\Adobe Flash Builder 4.7\FLEX-26478\src\flashx\textLayout\container\ContainerController.as:2539]
at flashx.textLayout.container::TextContainerManager/keyDownHandler()[/Users/aharui/git/flex/master/flex-tlf/textLayout/src/flashx/textLayout/container/TextContainerManager.as:1889]
at spark.components.supportClasses::RichEditableTextContainerManager/keyDownHandler()[/Users/aharui/release4.13.0/frameworks/projects/spark/src/spark/components/supportClasses/RichEditableTextContainerManager.as:665]
{noformat}



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