9e96ff972b
Make the code in this function work even with wxFileSystemHandlers that don't implement FindFirst() at all: we can, and should, still try loading the passed in path with them, rather than not doing anything at all. This makes Load() works with HTTP URLs again, as it apparently used to do a long time ago, but didn't do any more. Add a unit test, even if only a semi-manual one, to try to help with this not getting broken again (ideal would be to launch our own HTTP server inside the test, but this is a bit more complicated). Closes #19109.
236 lines
8.1 KiB
C++
236 lines
8.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/xml/xrctest.cpp
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// Purpose: XRC classes unit test
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// Author: wxWidgets team
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// Created: 2010-10-30
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// Copyright: (c) 2010 wxWidgets team
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif // WX_PRECOMP
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#if wxUSE_XRC
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#include "wx/fs_inet.h"
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#include "wx/xml/xml.h"
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#include "wx/sstream.h"
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#include "wx/wfstream.h"
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#include "wx/xrc/xmlres.h"
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#include <stdarg.h>
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// ----------------------------------------------------------------------------
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// helpers to create/save some xrc
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// ----------------------------------------------------------------------------
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namespace
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{
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static const char *TEST_XRC_FILE = "test.xrc";
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// I'm hard-wiring the xrc into this function for now
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// If different xrcs are wanted for future tests, it'll be easy to refactor
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void CreateXrc()
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{
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const char *xrcText =
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"<?xml version=\"1.0\" ?>"
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"<resource>"
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" <object class=\"wxDialog\" name=\"dialog\">"
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" <object class=\"wxBoxSizer\">"
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" <orient>wxVERTICAL</orient>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxPanel\" name=\"panel1\">"
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" <object class=\"wxBoxSizer\">"
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" <object class=\"sizeritem\">"
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" <object class=\"wxBoxSizer\">"
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" <orient>wxVERTICAL</orient>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"FirstCol[0]\">"
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" <label>0</label>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"FirstCol[1]\">"
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" <label>1</label>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"FirstCol[2]\">"
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" <label>2</label>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"FirstCol[3]\">"
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" <label>3</label>"
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" </object>"
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" </object>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxBoxSizer\">"
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" <orient>wxVERTICAL</orient>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"SecondCol[start]\">"
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" <label>0</label>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"SecondCol[1]\">"
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" <label>1</label>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"SecondCol[2]\">"
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" <label>2</label>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxButton\" name=\"SecondCol[end]\">"
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" <label>3</label>"
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" </object>"
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" </object>"
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" </object>"
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" </object>"
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" <orient>wxHORIZONTAL</orient>"
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" </object>"
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" </object>"
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" </object>"
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" <object class=\"sizeritem\">"
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" <object class=\"wxPanel\" name=\"ref_of_panel1\">"
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" <object_ref ref=\"panel1\"/>"
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" </object>"
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" </object>"
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" </object>"
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" <title>test</title>"
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" </object>"
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" <ids-range name=\"FirstCol\" size=\"2\" start=\"10000\"/>"
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" <ids-range name=\"SecondCol\" size=\"100\" />"
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"</resource>"
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;
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// afaict there's no elegant way to load xrc direct from a string
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// So save it as a file, from which it can be loaded
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wxStringInputStream sis(xrcText);
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wxFFileOutputStream fos(TEST_XRC_FILE);
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REQUIRE(fos.IsOk());
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fos.Write(sis);
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REQUIRE(fos.Close());
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}
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} // anon namespace
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// ----------------------------------------------------------------------------
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// test fixture and the tests using it
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// ----------------------------------------------------------------------------
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class XrcTestCase
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{
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public:
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XrcTestCase() { CreateXrc(); }
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~XrcTestCase() { wxRemoveFile(TEST_XRC_FILE); }
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private:
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wxDECLARE_NO_COPY_CLASS(XrcTestCase);
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};
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TEST_CASE_METHOD(XrcTestCase, "XRC::ObjectReferences", "[xrc]")
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{
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wxXmlResource::Get()->InitAllHandlers();
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for ( int n = 0; n < 2; ++n )
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{
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// Load the xrc file we're just created
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REQUIRE( wxXmlResource::Get()->Load(TEST_XRC_FILE) );
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// In xrc there's now a dialog containing two panels, one an object
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// reference of the other
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wxDialog dlg;
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REQUIRE( wxXmlResource::Get()->LoadDialog(&dlg, NULL, "dialog") );
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// Might as well test XRCCTRL too
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wxPanel* panel1 = XRCCTRL(dlg,"panel1",wxPanel);
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wxPanel* panel2 = XRCCTRL(dlg,"ref_of_panel1",wxPanel);
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// Check that the object reference panel is a different object
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CHECK( panel2 != panel1 );
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// Unload the xrc, so it can be reloaded and the test rerun
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CHECK( wxXmlResource::Get()->Unload(TEST_XRC_FILE) );
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}
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}
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TEST_CASE_METHOD(XrcTestCase, "XRC::IDRanges", "[xrc]")
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{
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// Tests ID ranges
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for ( int n = 0; n < 2; ++n )
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{
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// Load the xrc file we're just created
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REQUIRE( wxXmlResource::Get()->Load(TEST_XRC_FILE) );
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// foo[start] should == foo[0]
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CHECK( XRCID("SecondCol[start]") == XRCID("SecondCol[0]") );
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// foo[start] should be < foo[end]. Usually that means more negative
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CHECK( XRCID("SecondCol[start]") < XRCID("SecondCol[end]") );
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// Check it works for the positive values in FirstCol too
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CHECK( XRCID("FirstCol[start]") < XRCID("FirstCol[end]") );
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// Check that values are adjacent
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CHECK( XRCID("SecondCol[0]")+1 == XRCID("SecondCol[1]") );
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CHECK( XRCID("SecondCol[1]")+1 == XRCID("SecondCol[2]") );
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// And for the positive range
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CHECK( XRCID("FirstCol[2]")+1 == XRCID("FirstCol[3]") );
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// Check that a large-enough range was created, despite the small
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// 'size' parameter
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CHECK( XRCID("FirstCol[end]") - XRCID("FirstCol[start]") + 1 == 4 );
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// Check that the far-too-large size range worked off the scale too
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CHECK( XRCID("SecondCol[start]") < XRCID("SecondCol[90]") );
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CHECK( XRCID("SecondCol[90]") < XRCID("SecondCol[end]") );
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CHECK( XRCID("SecondCol[90]")+1 == XRCID("SecondCol[91]") );
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// Check that the positive range-start parameter worked, even after a
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// reload
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CHECK( XRCID("FirstCol[start]") == 10000 );
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// Unload the xrc, so it can be reloaded and the tests rerun
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CHECK( wxXmlResource::Get()->Unload(TEST_XRC_FILE) );
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}
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}
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// This test is disabled by default as it requires the environment variable
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// below to be defined to point to a HTTP URL with the file to load.
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//
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// Use something like "python3 -m http.server samples/xrc/rc" and set
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// WX_TEST_XRC_URL to http://localhost/menu.xrc to run this test.
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TEST_CASE_METHOD(XrcTestCase, "XRC::LoadURL", "[xrc][.]")
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{
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wxString url;
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REQUIRE( wxGetEnv("WX_TEST_XRC_URL", &url) );
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// Ensure that loading from HTTP URLs is supported.
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struct InetHandler : wxInternetFSHandler
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{
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InetHandler()
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{
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wxFileSystem::AddHandler(this);
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}
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~InetHandler()
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{
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wxFileSystem::RemoveHandler(this);
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}
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} inetHandler;
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CHECK( wxXmlResource::Get()->Load(url) );
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}
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#endif // wxUSE_XRC
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