--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/docgen/tests/graphs.d	Sun Mar 09 00:12:19 2008 +0100
@@ -0,0 +1,160 @@
+/**
+ * Author: Jari-Matti Mäkelä
+ * License: GPL3
+ */
+module docgen.tests.graphs;
+
+import docgen.tests.common;
+import docgen.misc.parser;
+import docgen.graphutils.writers;
+import docgen.page.writers;
+import tango.io.FileConduit;
+import dil.semantic.Module;
+
+alias DepGraph.Edge Edge;
+alias DepGraph.Vertex Vertex;
+
+void saveDefaultGraph(DepGraph depGraph, char[] fname) {
+  auto gen = new TestDocGenerator;
+  gen.options.graph.highlightCyclicVertices = true;
+  gen.options.graph.imageFormat = ImageFormat.SVG;
+  //gen.options.graph.graphFormat = GraphFormat.ModuleNames;
+  //gen.options.graph.graphFormat = GraphFormat.ModulePaths;
+  gen.options.graph.depth = 5;
+  auto ddf = new DefaultPageWriterFactory(gen);
+  auto gwf = new DefaultGraphWriterFactory(gen);
+  auto file = new FileConduit("docgen/teststuff/" ~ fname, FileConduit.WriteCreate);
+  auto file2 = new FileConduit("docgen/teststuff/" ~ fname ~ "-2", FileConduit.WriteCreate);
+
+  auto writer = gwf.createGraphWriter(
+    ddf.createPageWriter( [ file2 ], DocFormat.LaTeX),
+    GraphFormat.Dot
+  );
+  
+  writer.generateDepGraph(depGraph, file);
+  
+  file.close();
+  file2.close();
+}
+
+// no edges
+//@unittest
+void graph1() {
+  auto g = new DepGraph;
+  g.add(new Vertex("mod_a", "path.to.mod_a", 1));
+  g.add(new Vertex("mod_b", "path.to.mod_b", 2));
+  g.add(new Vertex("mod_c", "path.to.mod_c", 3));
+  
+  saveDefaultGraph(g, "graph1.dot");
+}
+
+
+// simple tree structure
+//@unittest
+void graph2() {
+  auto g = new DepGraph;
+  g.add(new Vertex("mod_a", "path.to.mod_a", 1));
+  g.add(new Vertex("mod_b", "path.to.mod_b", 2));
+  g.add(new Vertex("mod_c", "path.to.mod_c", 3));
+  g.add(new Vertex("mod_d", "path.to.mod_d", 4));
+
+  g.connect(1, 0);
+  g.connect(2, 0);
+  g.connect(3, 2);
+  
+  saveDefaultGraph(g, "graph2.dot");
+}
+
+// circular imports
+//@unittest
+void graph3() {
+  auto g = new DepGraph;
+  g.add(new Vertex("mod_a", "path.to.mod_a", 1));
+  g.add(new Vertex("mod_b", "path.to.mod_b", 2));
+  g.add(new Vertex("mod_c", "path.to.mod_c", 3));
+  g.add(new Vertex("mod_d", "path.to.mod_d", 4));
+
+  g.connect(1, 0);
+  g.connect(2, 1);
+  g.connect(0, 2);
+  
+  saveDefaultGraph(g, "graph3.dot");
+}
+
+// more complex graph
+//@unittest
+void graph4() {
+  auto g = new DepGraph;
+  g.add(new Vertex("mod_a", "path.to.mod_a", 1));
+  g.add(new Vertex("mod_b", "path.to.mod_b", 2));
+  g.add(new Vertex("mod_c", "path.to.mod_c", 3));
+  g.add(new Vertex("mod_d", "path.to.mod_d", 4));
+  g.add(new Vertex("mod_e", "path.to.mod_e", 5));
+  g.add(new Vertex("mod_f", "path.to.mod_f", 6));
+  g.add(new Vertex("mod_g", "path.to.mod_g", 7));
+
+  g.connect(1, 0);
+  g.connect(2, 1);
+  g.connect(0, 2); 
+  g.connect(0, 3);
+  g.connect(0, 4);
+  g.connect(3, 1);
+  g.connect(4, 1);
+  g.connect(0, 6);
+  g.connect(5, 1);
+  g.connect(5, 6);
+  g.connect(6, 0);
+
+  saveDefaultGraph(g, "graph4.dot");
+}
+
+
+// parses the test modules and creates a dep graph
+//@unittest
+void graph5() {
+  auto gen = new TestDocGenerator;
+  gen.options.graph.highlightCyclicVertices = true;
+  gen.options.graph.imageFormat = ImageFormat.PDF;
+  gen.options.outputFormats = [ DocFormat.LaTeX ];
+  auto fname = "dependencies.tex";
+  auto imgFname = "depgraph.dot";
+  
+  auto ddf = new DefaultPageWriterFactory(gen);
+  auto gwf = new DefaultGraphWriterFactory(gen);
+  auto file = new FileConduit("docgen/teststuff/" ~ fname, FileConduit.WriteCreate);
+  auto imgFile = new FileConduit("docgen/teststuff/" ~ imgFname, FileConduit.WriteCreate);
+  
+  Module[] modules;
+  Edge[] edges;
+  Vertex[char[]] vertices;
+  int id = 1;
+  
+  Parser.loadModules(
+    [ "c" ], [ "docgen/teststuff/" ],
+    null, true, -1,
+    (char[] fqn, char[] path, Module m) {
+      vertices[m.moduleFQN] = new DepGraph.Vertex(m.moduleFQN, m.filePath, id++);
+    },
+    (Module imported, Module importer, bool isPublic, bool isStatic) {
+      auto edge = vertices[imported.moduleFQN].addChild(vertices[importer.moduleFQN]);
+      edge.isPublic = isPublic;
+      edge.isStatic = isStatic;
+      edges ~= edge;
+    },
+    modules
+  );
+
+  auto writer = gwf.createGraphWriter(
+    ddf.createPageWriter( [ file ], DocFormat.LaTeX ),
+    GraphFormat.Dot
+  );
+  
+  auto graph = new DepGraph;
+  graph.edges = edges;
+  graph.vertices = vertices.values;
+
+  writer.generateDepGraph(graph, imgFile);
+  
+  file.close();
+  imgFile.close();
+}