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## This file is part of the test suite of Qt for Python.
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from __future__ import print_function

import unittest
from PySide2.QtGui import QTextCursor
from PySide2.QtPrintSupport import QPrinter, QPrinterInfo
from PySide2.QtWidgets import QLayout, QWidget, QGraphicsLayout, QGraphicsLayoutItem

from helper import UsesQApplication

class Layout(QLayout):
    def __init__(self):
        QLayout.__init__(self)

class GraphicsLayout(QGraphicsLayout):
    def __init__(self):
        QGraphicsLayout.__init__(self)

class GraphicsLayoutItem(QGraphicsLayoutItem):
    def __init__(self):
        QGraphicsLayoutItem.__init__(self)

class ReturnsQuadruplesOfNumbers(UsesQApplication):
    def compareTuples(self, ta, tb):
        for va,vb in zip(ta, tb):
            if round(va) != round(vb):
                return False
        return True

    def testQGraphicsLayoutGetContentsMargins(self):
        obj = GraphicsLayout()
        values = (10.0, 20.0, 30.0, 40.0)
        obj.setContentsMargins(*values)
        self.assertTrue(self.compareTuples(obj.getContentsMargins(), values))

    def testQGraphicsLayoutItemGetContentsMargins(self):
        obj = GraphicsLayoutItem()
        self.assertTrue(self.compareTuples(obj.getContentsMargins(), (0.0, 0.0, 0.0, 0.0)))

    def testQWidgetGetContentsMargins(self):
        obj = QWidget()
        values = (10, 20, 30, 40)
        obj.setContentsMargins(*values)
        self.assertTrue(self.compareTuples(obj.getContentsMargins(), values))

    def testQLayoutGetContentsMargins(self):
        obj = Layout()
        values = (10, 20, 30, 40)
        obj.setContentsMargins(*values)
        self.assertTrue(self.compareTuples(obj.getContentsMargins(), values))

    def testQTextCursorSelectedTableCells(self):
        obj = QTextCursor()
        self.assertEqual(obj.selectedTableCells(), (-1, -1, -1, -1))

    def testQPrinterGetPageMargins(self):
        # Bug #742. Find a printer like PDF/XPS on which arbitrary margins can be set.
        printer = None
        for printerInfo in QPrinterInfo.availablePrinters():
            name = printerInfo.printerName().lower()
            if "xps" in name or "pdf" in name:
                printer = QPrinter(printerInfo)
                break
        if not printer:
            printer = QPrinter()
        # On macOS the minimum margin of a page is ~12, setting something lower than that will
        # actually fail to set all the margins.
        values = (15.0, 16.0, 17.0, 18.0, QPrinter.Point)
        printer.setPageMargins(*values)
        actual = printer.getPageMargins(QPrinter.Point)
        print(printer.printerName(), actual, values[:-1])
        self.assertTrue(self.compareTuples(actual, values[:-1]))

if __name__ == "__main__":
   unittest.main()

