compilerplugins/clang/test/cppunitassertequals.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include "sal/config.h"
  11
  12 #include <cppunit/TestAssert.h>
  13 #include <cppunit/TestFixture.h>
  14 #include <cppunit/extensions/HelperMacros.h>
  15 #include <cppunit/plugin/TestPlugIn.h>
  16
  17 #include "cppunitassertequals.hxx"
  18
  19 #define TEST1 CPPUNIT_ASSERT(b1 == b2)
  20 #define TEST2(x) x
  21
  22 void test(bool b1, bool b2, OUString const & s1, OUString const & s2, T t) {
  23     CppUnit::Asserter::failIf(b1,"");
  24 #if 0 // TODO: enable later
  25     CPPUNIT_ASSERT(b1 && b2); // expected-error {{rather split into two CPPUNIT_ASSERT [loplugin:cppunitassertequals]}}
  26     CPPUNIT_ASSERT((b1 && b2)); // expected-error {{rather split into two CPPUNIT_ASSERT [loplugin:cppunitassertequals]}}
  27     CPPUNIT_ASSERT(!(b1 || b2)); // expected-error {{rather split into two CPPUNIT_ASSERT [loplugin:cppunitassertequals]}}
  28     CPPUNIT_ASSERT(!(b1 && b2));
  29     CPPUNIT_ASSERT(!!(b1 && b2)); // expected-error {{rather split into two CPPUNIT_ASSERT [loplugin:cppunitassertequals]}}
  30     CPPUNIT_ASSERT_MESSAGE("", b1 && b2); // expected-error {{rather split into two CPPUNIT_ASSERT_MESSAGE [loplugin:cppunitassertequals]}}
  31 #endif
  32     CPPUNIT_ASSERT(b1 == b2); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  33     CPPUNIT_ASSERT(b1 != b2);
  34     CPPUNIT_ASSERT((b1 == b2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  35     CPPUNIT_ASSERT(!(b1 != b2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator != call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  36     CPPUNIT_ASSERT(!(b1 == b2));
  37     CPPUNIT_ASSERT(!!(b1 == b2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  38     CPPUNIT_ASSERT_MESSAGE("", b1 == b2); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL_MESSAGE (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  39     CPPUNIT_ASSERT(s1 == s2); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  40     CPPUNIT_ASSERT(s1 != s2);
  41     CPPUNIT_ASSERT((s1 == s2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  42     CPPUNIT_ASSERT(!(s1 != s2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator != call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  43     CPPUNIT_ASSERT(!(s1 == s2));
  44     CPPUNIT_ASSERT(!!(s1 == s2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  45     TEST1; // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  46     TEST2(CPPUNIT_ASSERT(b1 == b2)); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  47     TEST2(TEST1); // expected-error {{rather call CPPUNIT_ASSERT_EQUAL (or rewrite as an explicit operator == call when the operator itself is the topic) [loplugin:cppunitassertequals]}}
  48
  49     // Useful when testing an equality iterator itself:
  50     CPPUNIT_ASSERT(operator ==(s1, s1));
  51     CPPUNIT_ASSERT(t.operator ==(t));
  52
  53     // There might even be good reasons(?) not to warn inside explicit casts:
  54     CPPUNIT_ASSERT(bool(b1 && b2));
  55     CPPUNIT_ASSERT(bool(b1 == b2));
  56     CPPUNIT_ASSERT(bool(s1 == s2));
  57
  58     CPPUNIT_ASSERT_EQUAL(b1, true); // expected-error {{CPPUNIT_ASSERT_EQUALS parameters look switched, expected value should be first param [loplugin:cppunitassertequals]}}
  59     CPPUNIT_ASSERT_EQUAL_MESSAGE("foo", b1, true); // expected-error {{CPPUNIT_ASSERT_EQUALS parameters look switched, expected value should be first param [loplugin:cppunitassertequals]}}
  60     CPPUNIT_ASSERT_EQUAL(true, b1);
  61     CPPUNIT_ASSERT_EQUAL_MESSAGE("foo", true, b1);
  62     CPPUNIT_ASSERT_EQUAL(s1, OUString("xxx")); // expected-error {{CPPUNIT_ASSERT_EQUALS parameters look switched, expected value should be first param [loplugin:cppunitassertequals]}}
  63     CPPUNIT_ASSERT_EQUAL_MESSAGE("foo", s1, OUString("xxx")); // expected-error {{CPPUNIT_ASSERT_EQUALS parameters look switched, expected value should be first param [loplugin:cppunitassertequals]}}
  64     CPPUNIT_ASSERT_EQUAL(OUString("xxx"), s1);
  65     CPPUNIT_ASSERT_EQUAL_MESSAGE("foo", OUString("xxx"), s1);
  66 }
  67
  68 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */