AutoTest: Add suite layer for tests

Test suites are used in several test frameworks. To avoid
fiddling around with the types and their meaning on the
frameworks side just add another type (TestSuite) that can
be used.
Frameworks can use or ignore this type as it is done already
for other types.

Change-Id: I6c2a312a32ce5716f55b49303e2b1a0f6f8e8da4
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/autotest/testtreeitem.cpp

@@ -47,6 +47,7 @@ TestTreeItem::TestTreeItem(const QString &name, const QString &filePath, Type ty
     switch (m_type) {
     case Root:
     case GroupNode:
+    case TestSuite:
     case TestCase:
     case TestFunctionOrSet:
         m_checked = Qt::Checked;
@@ -62,6 +63,7 @@ static QIcon testTreeIcon(TestTreeItem::Type type)
     static QIcon icons[] = {
         QIcon(),
         Utils::Icons::OPENFILE.icon(),
+        QIcon(":/autotest/images/suite.png"),
         Utils::CodeModelIcon::iconForType(Utils::CodeModelIcon::Class),
         Utils::CodeModelIcon::iconForType(Utils::CodeModelIcon::SlotPrivate),
         QIcon(":/autotest/images/data.png")
@@ -120,6 +122,7 @@ Qt::ItemFlags TestTreeItem::flags(int /*column*/) const
     case Root:
     case GroupNode:
         return Qt::ItemIsEnabled | Qt::ItemIsAutoTristate | Qt::ItemIsUserCheckable;
+    case TestSuite:
     case TestCase:
         return defaultFlags | Qt::ItemIsAutoTristate | Qt::ItemIsUserCheckable;
     case TestFunctionOrSet:
@@ -129,7 +132,7 @@ Qt::ItemFlags TestTreeItem::flags(int /*column*/) const
     }
 }
 
-bool TestTreeItem::modifyTestCaseContent(const TestParseResult *result)
+bool TestTreeItem::modifyTestCaseOrSuiteContent(const TestParseResult *result)
 {
     bool hasBeenModified = modifyName(result->name);
     hasBeenModified |= modifyLineAndColumn(result);
@@ -170,6 +173,7 @@ Qt::CheckState TestTreeItem::checked() const
     switch (m_type) {
     case Root:
     case GroupNode:
+    case TestSuite:
     case TestCase:
     case TestFunctionOrSet:
     case TestDataTag: