Add Component::addAutoDependOn method

Changes:
- Add addAutoDependOn method to Component class;
- Add method documentation;
- Improve tst_Solver test.

Change-Id: I5ed62368d62567f1056e20d89ba03c2639e0eaee
Reviewed-by: Katja Marttila <katja.marttila@qt.io>

2 files changed, 17 insertions, 0 deletions

diff --git a/src/libs/installer/component.cpp b/src/libs/installer/component.cpp
index da0230ade..5f2fe9fbc 100644
--- a/src/libs/installer/component.cpp
+++ b/src/libs/installer/component.cpp
@@ -1170,6 +1170,22 @@ QStringList Component::dependencies() const
     return d->m_vars.value(scDependencies).split(QInstaller::commaRegExp(), QString::SkipEmptyParts);
 }
 
+/*!
+    Adds the component specified by \a newDependOn to the automatic depend-on list.
+
+    \sa {component::addAutoDependOn}{component.addAutoDependOn}
+    \sa dependencies
+*/
+
+void Component::addAutoDependOn(const QString &newDependOn)
+{
+    QString oldDependOn = d->m_vars.value(scAutoDependOn);
+    if (oldDependOn.isEmpty())
+        setValue(scAutoDependOn, newDependOn);
+    else
+        setValue(scAutoDependOn, oldDependOn + QLatin1String(", ") + newDependOn);
+}
+
 QStringList Component::autoDependencies() const
 {
     return d->m_vars.value(scAutoDependOn).split(QInstaller::commaRegExp(), QString::SkipEmptyParts);
diff --git a/src/libs/installer/component.h b/src/libs/installer/component.h
index 01622548f..b11fd4cef 100644
--- a/src/libs/installer/component.h
+++ b/src/libs/installer/component.h
@@ -154,6 +154,7 @@ public:
 
     Q_INVOKABLE void addDependency(const QString &newDependency);
     QStringList dependencies() const;
+    Q_INVOKABLE void addAutoDependOn(const QString &newDependOn);
     QStringList autoDependencies() const;
 
     void languageChanged();