cheng/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
c6d2f6d9fe
wxWidgets/tests/regex/wxregextest.cpp
Tomay 050ca4ce3a Add wxRegEx::QuoteMeta() helper 
Quote all characters special for wxRegEx in the given string: this can
be useful when searching for a literal string using wxRegEx.

Closes https://github.com/wxWidgets/wxWidgets/pull/1489
2019-08-25 12:32:51 +02:00

348 lines
10 KiB
C++
Raw Blame History

///////////////////////////////////////////////////////////////////////////////
// Name: tests/regex/wxregex.cpp
// Purpose: Test wxRegEx
// Author: Vadim Zeitlin, Mike Wetherell
// Copyright: Vadim Zeitlin, Mike Wetherell
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "testprec.h"
#ifdef __BORLANDC__
# pragma hdrstop
#endif
#ifndef WX_PRECOMP
# include "wx/wx.h"
#endif
#if wxUSE_REGEX
#include "wx/regex.h"
#include "wx/tokenzr.h"
#include <string>
using CppUnit::Test;
using CppUnit::TestCase;
using CppUnit::TestSuite;
using std::string;
///////////////////////////////////////////////////////////////////////////////
// Compile Test
class RegExCompileTestCase : public TestCase
{
public:
RegExCompileTestCase(const char *name, const wxString& pattern,
bool correct, int flags)
: TestCase(name),
m_pattern(pattern),
m_correct(correct),
m_flags(flags)
{ }
protected:
void runTest() wxOVERRIDE;
private:
wxString m_pattern;
bool m_correct;
int m_flags;
};
void RegExCompileTestCase::runTest()
{
wxRegEx re;
bool ok = re.Compile(m_pattern, m_flags);
if (m_correct)
CPPUNIT_ASSERT_MESSAGE("compile failed", ok);
else
CPPUNIT_ASSERT_MESSAGE("compile succeeded (should fail)", !ok);
}
///////////////////////////////////////////////////////////////////////////////
// Match Test
class RegExMatchTestCase : public TestCase
{
public:
RegExMatchTestCase(const char *name, const wxString& pattern,
const wxString& text, const char *expected,
int flags)
: TestCase(name),
m_pattern(pattern),
m_text(text),
m_expected(expected),
m_flags(flags)
{ }
protected:
void runTest() wxOVERRIDE;
private:
wxString m_pattern;
wxString m_text;
const char *m_expected;
int m_flags;
};
void RegExMatchTestCase::runTest()
{
int compileFlags = m_flags & ~(wxRE_NOTBOL | wxRE_NOTEOL);
int matchFlags = m_flags & (wxRE_NOTBOL | wxRE_NOTEOL);
wxRegEx re(m_pattern, compileFlags);
CPPUNIT_ASSERT_MESSAGE("compile failed", re.IsValid());
bool ok = re.Matches(m_text, matchFlags);
if (m_expected) {
CPPUNIT_ASSERT_MESSAGE("match failed", ok);
wxStringTokenizer tkz(wxString(m_expected, *wxConvCurrent),
wxT("\t"), wxTOKEN_RET_EMPTY);
size_t i;
for (i = 0; i < re.GetMatchCount() && tkz.HasMoreTokens(); i++) {
wxString expected = tkz.GetNextToken();
wxString result = re.GetMatch(m_text, i);
wxString msgstr;
msgstr.Printf(wxT("\\%d == '%s' (expected '%s')"),
(int)i, result.c_str(), expected.c_str());
CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(),
result == expected);
}
if ((m_flags & wxRE_NOSUB) == 0)
CPPUNIT_ASSERT(re.GetMatchCount() == i);
}
else {
CPPUNIT_ASSERT_MESSAGE("match succeeded (should fail)", !ok);
}
}
///////////////////////////////////////////////////////////////////////////////
// Replacement Test
class RegExReplaceTestCase : public TestCase
{
public:
RegExReplaceTestCase(const char *name, const wxString& pattern,
const wxString& text, const wxString& repl,
const wxString& expected, size_t count, int flags)
: TestCase(name),
m_pattern(pattern),
m_text(text),
m_repl(repl),
m_expected(expected),
m_count(count),
m_flags(flags)
{ }
protected:
void runTest() wxOVERRIDE;
private:
wxString m_pattern;
wxString m_text;
wxString m_repl;
wxString m_expected;
size_t m_count;
int m_flags;
};
void RegExReplaceTestCase::runTest()
{
wxRegEx re(m_pattern, m_flags);
wxString text(m_text);
size_t nRepl = re.Replace(&text, m_repl);
wxString msgstr;
msgstr.Printf(wxT("returns '%s' (expected '%s')"), text.c_str(), m_expected.c_str());
CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), text == m_expected);
msgstr.Printf(wxT("matches %d times (expected %d)"), (int)nRepl, (int)m_count);
CPPUNIT_ASSERT_MESSAGE((const char*)msgstr.mb_str(), nRepl == m_count);
}
///////////////////////////////////////////////////////////////////////////////
// The suite
class wxRegExTestSuite : public TestSuite
{
public:
wxRegExTestSuite() : TestSuite("wxRegExTestSuite") { }
static Test *suite();
private:
void add(const char *pattern, bool correct, int flags = wxRE_DEFAULT);
void add(const char *pattern, const char *text,
const char *expected = NULL, int flags = wxRE_DEFAULT);
void add(const char *pattern, const char *text, const char *replacement,
const char *expected, size_t count, int flags = wxRE_DEFAULT);
static wxString FlagStr(int flags);
static wxString Conv(const char *str) { return wxString(str, *wxConvCurrent); }
};
// Build the suite (static)
//
Test *wxRegExTestSuite::suite()
{
wxRegExTestSuite *suite = new wxRegExTestSuite;
// Compile tests
// pattern, expected result
suite->add("foo", true);
suite->add("foo(", false);
suite->add("foo(bar", false);
suite->add("foo(bar)", true);
suite->add("foo[", false);
suite->add("foo[bar", false);
suite->add("foo[bar]", true);
suite->add("foo{1", false);
suite->add("foo{1}", true);
suite->add("foo{1,2}", true);
suite->add("foo*", true);
suite->add("foo+", true);
suite->add("foo?", true);
// Match tests
// pattern, text, expected results (match, followed by submatches
// tab separated, or NULL for no match expected)
suite->add("foo", "bar");
suite->add("foo", "foobar", "foo");
suite->add("^foo", "foobar", "foo");
suite->add("^foo", "barfoo");
suite->add("bar$", "barbar", "bar");
suite->add("bar$", "barbar ");
suite->add("OoBa", "FoObAr", "oObA", wxRE_ICASE);
suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA\nbb\nCC");
suite->add("^[A-Z].*$", "AA\nbb\nCC", "AA", wxRE_NEWLINE);
suite->add("^[a-z].*$", "AA\nbb\nCC", "bb", wxRE_NEWLINE);
suite->add("^[A-Z].*$", "AA\nbb\nCC", "CC", wxRE_NEWLINE | wxRE_NOTBOL);
suite->add("^[A-Z].*$", "AA\nbb\nCC", NULL, wxRE_NEWLINE | wxRE_NOTBOL | wxRE_NOTEOL);
suite->add("([[:alpha:]]+) ([[:alpha:]]+) ([[:digit:]]+).* ([[:digit:]]+)$",
"Fri Jul 13 18:37:52 CEST 2001",
"Fri Jul 13 18:37:52 CEST 2001\tFri\tJul\t13\t2001");
// Replace tests
// pattern, text, replacement, expected result and number of matches
const char *patn = "([a-z]+)[^0-9]*([0-9]+)";
suite->add(patn, "foo123", "bar", "bar", 1);
suite->add(patn, "foo123", "\\2\\1", "123foo", 1);
suite->add(patn, "foo_123", "\\2\\1", "123foo", 1);
suite->add(patn, "123foo", "bar", "123foo", 0);
suite->add(patn, "123foo456foo", "&&", "123foo456foo456foo", 1);
suite->add(patn, "123foo456foo", "\\0\\0", "123foo456foo456foo", 1);
suite->add(patn, "foo123foo123", "bar", "barbar", 2);
suite->add(patn, "foo123_foo456_foo789", "bar", "bar_bar_bar", 3);
return suite;
}
// Add a compile test
//
void wxRegExTestSuite::add(
const char *pattern,
bool correct,
int flags /*=wxRE_DEFAULT*/)
{
addTest(new RegExCompileTestCase(
(wxT("/") + Conv(pattern) + wxT("/") + FlagStr(flags)).mb_str(),
Conv(pattern), correct, flags));
}
// Add a match test
//
void wxRegExTestSuite::add(
const char *pattern,
const char *text,
const char *expected /*=NULL*/,
int flags /*=wxRE_DEFAULT*/)
{
wxString name;
name << wxT("'") << Conv(text) << wxT("' =~ /") << Conv(pattern) << wxT("/")
<< FlagStr(flags);
name.Replace(wxT("\n"), wxT("\\n"));
addTest(new RegExMatchTestCase(name.mb_str(), Conv(pattern),
Conv(text), expected, flags));
}
// Add a replace test
//
void wxRegExTestSuite::add(
const char *pattern,
const char *text,
const char *replacement,
const char *expected,
size_t count,
int flags /*=wxRE_DEFAULT*/)
{
wxString name;
name << wxT("'") << Conv(text) << wxT("' =~ s/") << Conv(pattern) << wxT("/")
<< Conv(replacement) << wxT("/g") << FlagStr(flags);
name.Replace(wxT("\n"), wxT("\\n"));
addTest(new RegExReplaceTestCase(
name.mb_str(), Conv(pattern), Conv(text),
Conv(replacement), Conv(expected), count, flags));
}
// Display string for the flags
//
wxString wxRegExTestSuite::FlagStr(int flags)
{
wxString str;
if (!flags)
return str;
for (int i = 0; (unsigned)flags >> i; i++) {
switch (flags & (1 << i)) {
case 0: break;
#ifdef wxHAS_REGEX_ADVANCED
case wxRE_ADVANCED: str += wxT(" | wxRE_ADVANCED"); break;
#endif
case wxRE_BASIC: str += wxT(" | wxRE_BASIC"); break;
case wxRE_ICASE: str += wxT(" | wxRE_ICASE"); break;
case wxRE_NOSUB: str += wxT(" | wxRE_NOSUB"); break;
case wxRE_NEWLINE: str += wxT(" | wxRE_NEWLINE"); break;
case wxRE_NOTBOL: str += wxT(" | wxRE_NOTBOL"); break;
case wxRE_NOTEOL: str += wxT(" | wxRE_NOTEOL"); break;
default: wxFAIL; break;
}
}
return wxT(" (") + str.Mid(3) + wxT(")");
}
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION(wxRegExTestSuite);
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(wxRegExTestSuite, "wxRegExTestSuite");
TEST_CASE("wxRegEx::QuoteMeta", "[regex][meta]")
{
CHECK( wxRegEx::QuoteMeta("") == "" );
CHECK( wxRegEx::QuoteMeta("a") == "a" );
CHECK( wxRegEx::QuoteMeta("?") == "\\?" );
CHECK( wxRegEx::QuoteMeta("\\") == "\\\\" );
CHECK( wxRegEx::QuoteMeta("\\?!") == "\\\\\\?!" );
CHECK( wxRegEx::QuoteMeta(":foo.*bar") == ":foo\\.\\*bar" );
}
#endif // wxUSE_REGEX
Reference in New Issue View Git Blame Copy Permalink