public void AddVariableAlias_DifferentLayersGotDifferentNames()
{
var table = new VariableScopeAliasTable();
var name = "some";
table.AddVariableAlias(1, name);
var level0alias = table.GetVariableAlias(name);
table.EnterScope(12, new[] { name });
var level1alias = table.GetVariableAlias(name);
table.EnterScope(42, new[] { name });
var level2alias = table.GetVariableAlias(name);
Assert.AreNotEqual(level2alias, level1alias);
Assert.AreNotEqual(level2alias, level0alias);
table.ExitScope();
Assert.AreEqual(level1alias, table.GetVariableAlias(name));
table.ExitScope();
Assert.AreEqual(level0alias, table.GetVariableAlias(name));
}
public void AddVariableAlias_AliasDoesNotEqualOriginName()
{
var table = new VariableScopeAliasTable();
var name = "some";
table.AddVariableAlias(1, name);
var result = table.GetVariableAlias(name);
Assert.NotNull(result);
Assert.AreNotEqual(result, name);
StringAssert.Contains(name, result);
}
public void EmptyTable_HasVariableReturnsNull()
{
var table = new VariableScopeAliasTable();
Assert.IsFalse(table.HasVariable("some"));
}
