/// <summary>
/// Pulls all dependencies from the specified module list, gathers the state of them, and
/// compares it to the state expressed in the provided file from a previous run
/// </summary>
/// <param name="ModuleList"></param>
/// <param name="DependencyFile"></param>
/// <returns></returns>
private static bool AreDependenciesUpToDate(IEnumerable <string> ModuleList, string DependencyFile)
{
bool UpToDate = false;
if (File.Exists(DependencyFile))
{
Log.TraceVerbose("Read dependency file at {0}", DependencyFile);
HashCollection OldHashes = HashCollection.CreateFromFile(DependencyFile);
if (OldHashes != null)
{
HashCollection CurrentHashes = HashModules(ModuleList, false);
if (OldHashes.Equals(CurrentHashes))
{
UpToDate = true;
}
else
{
if (Log.OutputLevel >= LogEventType.VeryVerbose)
{
CurrentHashes.LogDifferences(OldHashes);
}
}
}
else
{
Log.TraceInformation("Failed to read dependency info!");
}
}
else
{
Log.TraceVerbose("No dependency file exists at {0}. Will do full build.", DependencyFile);
}
return(UpToDate);
}
public void TestEquality()
{
HashCollection <int> a = new HashCollection <int> {
1, 2
};
HashCollection <int> b = new HashCollection <int> {
2, 3
};
HashCollection <int> c = new HashCollection <int> {
1, 2
};
Assert.IsFalse(a == b);
Assert.IsTrue(a == c);
Assert.IsFalse(null == a);
Assert.IsFalse(a == null);
Assert.IsTrue(a != b);
Assert.IsFalse(a != c);
Assert.IsTrue(null != a);
Assert.IsTrue(a != null);
Assert.AreNotEqual(a, b);
Assert.AreEqual(a, c);
Assert.AreEqual(a.GetHashCode(), c.GetHashCode());
Assert.IsFalse(a.Equals(b));
Assert.IsTrue(a.Equals(c));
Assert.IsFalse(a.Equals(null));
Assert.IsFalse(a.Equals((ISet)b));
Assert.IsTrue(a.Equals((ISet)c));
Assert.IsFalse(a.Equals((ISet) new HashCollection <int> {
1
}));
Assert.IsFalse(a.Equals((ISet)null));
Assert.IsFalse(a.Equals((IEnumerable)b));
Assert.IsTrue(a.Equals((IEnumerable)c));
Assert.IsFalse(a.Equals((IEnumerable)null));
Assert.IsFalse(a.Equals(new[] { 2, 3 }));
Assert.IsTrue(a.Equals(new[] { 1, 2 }));
Assert.IsFalse(a.Equals((IEnumerable <int>)null));
}