tst_headers: make failure more detailed when failing to open a file

Replace QVERIFY(f.open(...)) with
 QVERIFY2(f.open(...), qPrintable(f.errorString()))

This pattern should be followed for all functions which can provide
an error string on failure.

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/auto/headers/tst_headers.cpp b/tests/auto/headers/tst_headers.cpp
index 7ccf058..8c8bc2c 100644
--- a/tests/auto/headers/tst_headers.cpp
+++ b/tests/auto/headers/tst_headers.cpp
@@ -203,7 +203,7 @@ void tst_Headers::licenseCheck()
     QFETCH(QString, sourceFile);
 
     QFile f(sourceFile);
-    QVERIFY(f.open(QIODevice::ReadOnly));
+    QVERIFY2(f.open(QIODevice::ReadOnly), qPrintable(f.errorString()));
     QByteArray data = f.readAll();
     data.replace("\r\n", "\n"); // Windows
     data.replace('\r', '\n'); // Mac OS9
@@ -264,7 +264,7 @@ void tst_Headers::privateSlots()
         return;
 
     QFile f(header);
-    QVERIFY(f.open(QIODevice::ReadOnly));
+    QVERIFY2(f.open(QIODevice::ReadOnly), qPrintable(f.errorString()));
 
     QStringList content = QString::fromLocal8Bit(f.readAll()).split("\n");
     foreach (QString line, content) {
@@ -286,7 +286,7 @@ void tst_Headers::macros()
         return;
 
     QFile f(header);
-    QVERIFY(f.open(QIODevice::ReadOnly));
+    QVERIFY2(f.open(QIODevice::ReadOnly), qPrintable(f.errorString()));
 
     QByteArray data = f.readAll();
     QStringList content = QString::fromLocal8Bit(data.replace('\r', "")).split("\n");