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C++: Provide better output on preprocessor test failure

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Make the expected output copyable to the test.

Change-Id: I4fc61682f14d0de054a11d2ffa4a0f36ede0e500
Reviewed-by: Francois Ferrand <thetypz@gmail.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
This commit is contained in:
Orgad Shaneh
2015-03-13 10:54:57 +02:00
committed by Orgad Shaneh
parent cfe69e6902
commit c9b71a268b
1 changed files with 36 additions and 23 deletions
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59
tests/auto/cplusplus/preprocessor/tst_preprocessor.cpp
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@@ -69,6 +69,24 @@ void saveData(const QByteArray &data, const QString &fileName)
inf.close();
}
static QByteArray stringify(QByteArray code)
{
QByteArray res = code.replace('"', "\\\"").replace("\n", "\\n\"\n\"");
if (res.endsWith("\"\n\""))
res.chop(3);
return res;
}
static bool compare(const QByteArray &actual, const QByteArray &expected)
{
if (actual == expected)
return true;
qDebug() << "Compared strings are not the same\n"
" Actual:\n" << stringify(actual)
<< " Expected:\n" << stringify(expected);
return false;
}
struct Include
{
Include(const QString &fileName, Client::IncludeType type, unsigned line)
@@ -344,7 +362,7 @@ protected:
client.sourceNeeded("data/" + fileName, nolines);
return output;
}
static QString simplified(QByteArray buf);
static QByteArray simplified(const QByteArray &buf);
private:
void compare_input_output(bool keepComments = false);
@@ -396,7 +414,7 @@ private slots:
// Remove all #... lines, and 'simplify' string, to allow easily comparing the result
// Also, remove all unneeded spaces: keep only to ensure identifiers are separated.
// NOTE: may not correctly handle underscore in identifiers
QString tst_Preprocessor::simplified(QByteArray buf)
QByteArray tst_Preprocessor::simplified(const QByteArray &buf)
{
QString out;
QList<QByteArray> lines = buf.split('\n');
@@ -417,7 +435,7 @@ QString tst_Preprocessor::simplified(QByteArray buf)
i++;
}
return out;
return out.toUtf8();
}
void tst_Preprocessor::va_args()
@@ -435,7 +453,7 @@ void tst_Preprocessor::va_args()
preprocessed = preprocessed.simplified();
// DUMP_OUTPUT(preprocessed);
QCOMPARE(simplified(preprocessed), QString("int f();int f(int a);int f(int a,int b);"));
QVERIFY(compare(simplified(preprocessed), "int f();int f(int a);int f(int a,int b);"));
}
void tst_Preprocessor::named_va_args()
@@ -452,7 +470,7 @@ void tst_Preprocessor::named_va_args()
true, false);
preprocessed = preprocessed.simplified();
QCOMPARE(simplified(preprocessed), QString("int f();int f(int a);int f(int a,int b);"));
QVERIFY(compare(simplified(preprocessed), "int f();int f(int a);int f(int a,int b);"));
}
void tst_Preprocessor::extra_va_args()
@@ -469,7 +487,7 @@ void tst_Preprocessor::extra_va_args()
true, false);
preprocessed = preprocessed.simplified();
QCOMPARE(simplified(preprocessed), QString("int f();float f(int b);long f(int b,int c);"));
QVERIFY(compare(simplified(preprocessed), "int f();float f(int b);long f(int b,int c);"));
}
void tst_Preprocessor::empty_macro_args()
@@ -489,8 +507,7 @@ void tst_Preprocessor::empty_macro_args()
preprocessed = preprocessed.simplified();
// DUMP_OUTPUT(preprocessed);
QCOMPARE(simplified(preprocessed),
QString("const int cVal;int Val;int Val2;int;int;"));
QVERIFY(compare(simplified(preprocessed), "const int cVal;int Val;int Val2;int;int;"));
}
void tst_Preprocessor::macro_args_count()
@@ -626,7 +643,7 @@ void tst_Preprocessor::macro_uses()
Preprocessor preprocess(&client, &env);
QByteArray preprocessed = preprocess.run(QLatin1String("<stdin>"), buffer);
QCOMPARE(simplified(preprocessed), QString("void test(){int x=8;int y=9;}"));
QVERIFY(compare(simplified(preprocessed), "void test(){int x=8;int y=9;}"));
QCOMPARE(client.expandedMacros(), QList<QByteArray>() << QByteArray("FOO") << QByteArray("BAR"));
QCOMPARE(client.expandedMacrosOffset(), QList<unsigned>() << buffer.indexOf("FOO;") << buffer.indexOf("BAR;"));
QCOMPARE(client.definedMacros(), QList<QByteArray>() << QByteArray("FOO") << QByteArray("BAR"));
@@ -801,7 +818,7 @@ void tst_Preprocessor::unfinished_function_like_macro_call()
"# 4 \"<stdin>\"\n");
// DUMP_OUTPUT(preprocessed);
QCOMPARE(preprocessed, expected__);
QVERIFY(compare(preprocessed, expected__));
}
void tst_Preprocessor::nasty_macro_expansion()
@@ -881,7 +898,7 @@ void tst_Preprocessor::glib_attribute()
"}\n";
// DUMP_OUTPUT(preprocessed);
QCOMPARE(preprocessed, result____);
QVERIFY(compare(preprocessed, result____));
}
void tst_Preprocessor::builtin__FILE__()
@@ -898,7 +915,7 @@ void tst_Preprocessor::builtin__FILE__()
"# 1 \"some-file.c\"\n"
"const char *f = \"some-file.c\"\n";
QCOMPARE(preprocessed, result____);
QVERIFY(compare(preprocessed, result____));
}
void tst_Preprocessor::comparisons_data()
@@ -957,15 +974,12 @@ void tst_Preprocessor::comparisons()
// These weird underscores are here to make the name as long as
// "preprocessed", so the QCOMPARE error messages are nicely aligned.
QByteArray output____ = loadSource("data/" + outfile);
// QCOMPARE(preprocessed, output____);
QCOMPARE(QString::fromUtf8(preprocessed.constData()),
QString::fromUtf8(output____.constData()));
QVERIFY(compare(preprocessed, output____));
}
if (!errorfile.isEmpty()) {
QByteArray errorFileContents = loadSource("data/" + errorfile);
QCOMPARE(QString::fromUtf8(errors.constData()),
QString::fromUtf8(errorFileContents.constData()));
QVERIFY(compare(errors, errorFileContents));
}
}
@@ -1252,10 +1266,10 @@ void tst_Preprocessor::comments_within()
Preprocessor preprocess(0, &env);
preprocess.setKeepComments(false);
QByteArray prep = preprocess.run(QLatin1String("<stdin>"), input);
QCOMPARE(prep.constData(), without_comments.constData());
QVERIFY(compare(prep, without_comments));
preprocess.setKeepComments(true);
prep = preprocess.run(QLatin1String("<stdin>"), input);
QCOMPARE(prep.constData(), with_comments.constData());
QVERIFY(compare(prep, with_comments));
}
void tst_Preprocessor::comments_within_data()
@@ -1637,8 +1651,7 @@ void tst_Preprocessor::comments_before_args()
preprocessed = preprocessed.simplified();
// DUMP_OUTPUT(preprocessed);
QCOMPARE(simplified(preprocessed),
QString("int a=1;int b=2;int c=3;int d=4;int e=5;"));
QVERIFY(compare(simplified(preprocessed), "int a=1;int b=2;int c=3;int d=4;int e=5;"));
}
void tst_Preprocessor::multiline_strings()
@@ -1899,7 +1912,7 @@ void tst_Preprocessor::concat()
"# 5 \"<stdin>\"\n"
" ;\n"
);
QCOMPARE(prep.constData(), output.constData());
QVERIFY(compare(prep, output));
}
void tst_Preprocessor::excessive_nesting()
@@ -1928,7 +1941,7 @@ void tst_Preprocessor::compare_input_output(bool keepComments)
Preprocessor preprocess(0, &env);
preprocess.setKeepComments(keepComments);
QByteArray prep = preprocess.run(QLatin1String("<stdin>"), input);
QCOMPARE(prep.constData(), output.constData());
QVERIFY(compare(prep, output));
}
QTEST_APPLESS_MAIN(tst_Preprocessor)