private static void CheckCompilationSyntaxTrees(CSharpCompilation compilation, params SyntaxTree[] expectedSyntaxTrees)
{
ImmutableArray<SyntaxTree> actualSyntaxTrees = compilation.SyntaxTrees;
int numTrees = expectedSyntaxTrees.Length;
Assert.Equal(numTrees, actualSyntaxTrees.Length);
for (int i = 0; i < numTrees; i++)
{
Assert.Equal(expectedSyntaxTrees[i], actualSyntaxTrees[i]);
}
for (int i = 0; i < numTrees; i++)
{
for (int j = 0; j < numTrees; j++)
{
Assert.Equal(Math.Sign(compilation.CompareSyntaxTreeOrdering(expectedSyntaxTrees[i], expectedSyntaxTrees[j])), Math.Sign(i.CompareTo(j)));
}
}
var types = expectedSyntaxTrees.Select(tree => compilation.GetSemanticModel(tree).GetDeclaredSymbol(tree.GetCompilationUnitRoot().Members.Single())).ToArray();
for (int i = 0; i < numTrees; i++)
{
for (int j = 0; j < numTrees; j++)
{
Assert.Equal(Math.Sign(compilation.CompareSourceLocations(types[i].Locations[0], types[j].Locations[0])), Math.Sign(i.CompareTo(j)));
}
}
}
private int CompareLocations(Location x, Location y)
{
if (x == y)
{
return(0);
}
else if (x == Location.None)
{
return(-1);
}
else if (y == Location.None)
{
return(1);
}
else
{
return(_compilation.CompareSourceLocations(x, y));
}
}
private int CompareLocations(Location x, Location y)
{
if (x == y)
{
return 0;
}
else if (x == Location.None)
{
return -1;
}
else if (y == Location.None)
{
return 1;
}
else
{
return _compilation.CompareSourceLocations(x, y);
}
}