public void ReplaceMethodsOnEmpty()
{
DependencyGraph g = new DependencyGraph();
g.AddDependency("Dependee", "Dependent");
List <string> stringList = new List <string>();
for (int i = 1; i < 11; i++)
{
stringList.Add(i + "");
}
Assert.IsFalse(g.HasDependees("Dependee"));
g.ReplaceDependees("Dependee", stringList);
Assert.IsTrue(g.HasDependees("Dependee"));
Assert.IsFalse(g.HasDependents("Dependent"));
g.ReplaceDependents("Dependent", stringList);
Assert.IsTrue(g.HasDependents("Dependent"));
Console.WriteLine(g.ToString());
}
public void replaceDependents()
{
DependencyGraph dg = new DependencyGraph();
dg.AddDependency("a1", "a2");
dg.AddDependency("a1", "a2");
dg.AddDependency("a1", "a3");
dg.AddDependency("a1", "a4");
dg.AddDependency("a1", "a5");
dg.ReplaceDependents("a1", new HashSet <string>()
{
"a7", "a8", "a9", "a10", "a11", "a12"
});
HashSet <String> testDependentsHashTable = new HashSet <string>(dg.GetDependents("a1"));
Assert.IsTrue(testDependentsHashTable.Contains("a8"));
Assert.IsTrue(testDependentsHashTable.Contains("a9"));
Assert.IsTrue(testDependentsHashTable.Contains("a10"));
Assert.IsTrue(testDependentsHashTable.Contains("a11"));
Assert.IsTrue(testDependentsHashTable.Contains("a12"));
Assert.IsTrue(testDependentsHashTable.Contains("a7"));
}
public void PassingNullTests()
{
DependencyGraph g = new DependencyGraph();
g.AddDependency("A", "B");
List <string> stringList = new List <string>();
stringList.Add("1a");
stringList.Add(null);
try {
g.AddDependency("A", null);
Assert.Fail();
} catch (Exception) {
}
try {
g.AddDependency(null, "B");
Assert.Fail();
} catch (Exception) {
}
try {
g.AddDependency(null, null);
Assert.Fail();
} catch (Exception) {
}
try {
g.GetDependees(null);
Assert.Fail();
} catch (Exception) {
}
try {
g.GetDependents(null);
Assert.Fail();
} catch (Exception) {
}
try {
g.HasDependees(null);
Assert.Fail();
} catch (Exception) {
}
try {
g.HasDependents(null);
Assert.Fail();
} catch (Exception) {
}
try {
g.RemoveDependency("A", null);
Assert.Fail();
} catch (Exception) {
}
try {
g.RemoveDependency(null, "B");
Assert.Fail();
} catch (Exception) {
}
try {
g.ReplaceDependees(null, stringList);
Assert.Fail();
} catch (Exception) {
}
try {
stringList = null;
g.ReplaceDependees("A", stringList);
Assert.Fail();
} catch (Exception) {
}
try {
g.ReplaceDependents(null, stringList);
Assert.Fail();
} catch (Exception) {
}
try {
stringList = null;
g.ReplaceDependents("A", stringList);
Assert.Fail();
} catch (Exception) {
}
}
public void StressTest8()
{
// Dependency graph
DependencyGraph t = new DependencyGraph();
// A bunch of strings to use
const int SIZE = 400;
string[] letters = new string[SIZE];
for (int i = 0; i < SIZE; i++)
{
letters[i] = ("" + (char)('a' + i));
}
// The correct answers
HashSet <string>[] dents = new HashSet <string> [SIZE];
HashSet <string>[] dees = new HashSet <string> [SIZE];
for (int i = 0; i < SIZE; i++)
{
dents[i] = new HashSet <string>();
dees[i] = new HashSet <string>();
}
// Add a bunch of dependencies
for (int i = 0; i < SIZE; i++)
{
for (int j = i + 1; j < SIZE; j++)
{
t.AddDependency(letters[i], letters[j]);
dents[i].Add(letters[j]);
dees[j].Add(letters[i]);
}
}
// Remove a bunch of dependencies
for (int i = 0; i < SIZE; i++)
{
for (int j = i + 2; j < SIZE; j += 3)
{
t.RemoveDependency(letters[i], letters[j]);
dents[i].Remove(letters[j]);
dees[j].Remove(letters[i]);
}
}
// Replace a bunch of dependents
for (int i = 0; i < SIZE; i += 2)
{
HashSet <string> newDents = new HashSet <String>();
for (int j = 0; j < SIZE; j += 5)
{
newDents.Add(letters[j]);
}
t.ReplaceDependents(letters[i], newDents);
foreach (string s in dents[i])
{
dees[s[0] - 'a'].Remove(letters[i]);
}
foreach (string s in newDents)
{
dees[s[0] - 'a'].Add(letters[i]);
}
dents[i] = newDents;
}
// Make sure everything is right
for (int i = 0; i < SIZE; i++)
{
Assert.IsTrue(dents[i].SetEquals(new HashSet <string>(t.GetDependents(letters[i]))));
Assert.IsTrue(dees[i].SetEquals(new HashSet <string>(t.GetDependees(letters[i]))));
}
}
public void StressTest8()
{
// Dependency graph
DependencyGraph t = new DependencyGraph();
// A bunch of strings to use
const int SIZE = 400;
string[] letters = new string[SIZE];
for (int i = 0; i < SIZE; i++)
{
letters[i] = ("" + (char)('a' + i));
}
// The correct answers
HashSet<string>[] dents = new HashSet<string>[SIZE];
HashSet<string>[] dees = new HashSet<string>[SIZE];
for (int i = 0; i < SIZE; i++)
{
dents[i] = new HashSet<string>();
dees[i] = new HashSet<string>();
}
// Add a bunch of dependencies
for (int i = 0; i < SIZE; i++)
{
for (int j = i + 1; j < SIZE; j++)
{
t.AddDependency(letters[i], letters[j]);
dents[i].Add(letters[j]);
dees[j].Add(letters[i]);
}
}
// Remove a bunch of dependencies
for (int i = 0; i < SIZE; i++)
{
for (int j = i + 2; j < SIZE; j += 3)
{
t.RemoveDependency(letters[i], letters[j]);
dents[i].Remove(letters[j]);
dees[j].Remove(letters[i]);
}
}
// Replace a bunch of dependents
for (int i = 0; i < SIZE; i += 2)
{
HashSet<string> newDents = new HashSet<String>();
for (int j = 0; j < SIZE; j += 5)
{
newDents.Add(letters[j]);
}
t.ReplaceDependents(letters[i], newDents);
foreach (string s in dents[i])
{
dees[s[0] - 'a'].Remove(letters[i]);
}
foreach (string s in newDents)
{
dees[s[0] - 'a'].Add(letters[i]);
}
dents[i] = newDents;
}
// Make sure everything is right
for (int i = 0; i < SIZE; i++)
{
Assert.IsTrue(dents[i].SetEquals(new HashSet<string>(t.GetDependents(letters[i]))));
Assert.IsTrue(dees[i].SetEquals(new HashSet<string>(t.GetDependees(letters[i]))));
}
}
public void TestReplaceDependents1()
{
DependencyGraph dg = new DependencyGraph();
dg.ReplaceDependents(null, new HashSet <string>());
}
public void EmptyTest6()
{
DependencyGraph t = new DependencyGraph();
t.ReplaceDependents("x", new HashSet<string>());
t.ReplaceDependees("y", new HashSet<string>());
}
public void NonEmptyTest20()
{
DependencyGraph t = new DependencyGraph();
t.AddDependency("x", "b");
t.AddDependency("a", "z");
t.ReplaceDependents("b", new HashSet<string>());
t.AddDependency("y", "b");
t.ReplaceDependents("a", new HashSet<string>() { "c" });
t.AddDependency("w", "d");
t.ReplaceDependees("b", new HashSet<string>() { "a", "c" });
t.ReplaceDependees("d", new HashSet<string>() { "b" });
IEnumerator<string> e = t.GetDependents("a").GetEnumerator();
Assert.IsTrue(e.MoveNext());
String s1 = e.Current;
Assert.IsTrue(e.MoveNext());
String s2 = e.Current;
Assert.IsFalse(e.MoveNext());
Assert.IsTrue(((s1 == "b") && (s2 == "c")) || ((s1 == "c") && (s2 == "b")));
e = t.GetDependents("b").GetEnumerator();
Assert.IsTrue(e.MoveNext());
Assert.AreEqual("d", e.Current);
Assert.IsFalse(e.MoveNext());
e = t.GetDependents("c").GetEnumerator();
Assert.IsTrue(e.MoveNext());
Assert.AreEqual("b", e.Current);
Assert.IsFalse(e.MoveNext());
e = t.GetDependents("d").GetEnumerator();
Assert.IsFalse(e.MoveNext());
}
public void NonEmptyTest18()
{
DependencyGraph t = new DependencyGraph();
t.AddDependency("x", "b");
t.AddDependency("a", "z");
t.ReplaceDependents("b", new HashSet<string>());
t.AddDependency("y", "b");
t.ReplaceDependents("a", new HashSet<string>() { "c" });
t.AddDependency("w", "d");
t.ReplaceDependees("b", new HashSet<string>() { "a", "c" });
t.ReplaceDependees("d", new HashSet<string>() { "b" });
Assert.IsTrue(t.HasDependents("a"));
Assert.IsFalse(t.HasDependees("a"));
Assert.IsTrue(t.HasDependents("b"));
Assert.IsTrue(t.HasDependees("b"));
}
public void NonEmptyTest16()
{
DependencyGraph t = new DependencyGraph();
t.AddDependency("x", "b");
t.AddDependency("a", "z");
t.ReplaceDependents("b", new HashSet<string>());
t.AddDependency("y", "b");
t.ReplaceDependents("a", new HashSet<string>() { "c" });
t.AddDependency("w", "d");
t.ReplaceDependees("b", new HashSet<string>() { "a", "c" });
t.ReplaceDependees("d", new HashSet<string>() { "b" });
Assert.AreEqual(4, t.Size);
}
public void EmptyTest12()
{
DependencyGraph t = new DependencyGraph();
t.AddDependency("x", "y");
Assert.AreEqual(t.Size, 1);
t.RemoveDependency("x", "y");
t.ReplaceDependents("x", new HashSet<string>());
t.ReplaceDependees("y", new HashSet<string>());
}
