add default implementation to android.hardware.tests.foo/bar/pointer@1.0

Test: hidl_test
Test: mma

Change-Id: I808423c040099354513db0ad108210fcec17c8a7
diff --git a/tests/pointer/1.0/default/Graph.cpp b/tests/pointer/1.0/default/Graph.cpp
new file mode 100644
index 0000000..a43df81
--- /dev/null
+++ b/tests/pointer/1.0/default/Graph.cpp
@@ -0,0 +1,116 @@
+#include "Graph.h"
+#include <android-base/logging.h>
+
+#define PUSH_ERROR_IF(__cond__) if(__cond__) { errors.push_back(std::to_string(__LINE__) + ": " + #__cond__); }
+
+namespace android {
+namespace hardware {
+namespace tests {
+namespace pointer {
+namespace V1_0 {
+namespace implementation {
+
+static void simpleGraph(IGraph::Graph& g) {
+    g.nodes.resize(2);
+    g.edges.resize(1);
+    g.nodes[0].data = 10;
+    g.nodes[1].data = 20;
+    g.edges[0].left = &g.nodes[0];
+    g.edges[0].right = &g.nodes[1];
+}
+
+static bool isSimpleGraph(const IGraph::Graph &g) {
+    if(g.nodes.size() != 2) return false;
+    if(g.edges.size() != 1) return false;
+    if(g.nodes[0].data != 10) return false;
+    if(g.nodes[1].data != 20) return false;
+    if(g.edges[0].left != &g.nodes[0]) return false;
+    if(g.edges[0].right != &g.nodes[1]) return false;
+    return true;
+}
+
+static void logSimpleGraph(const char *prefix, const IGraph::Graph& g) {
+    ALOGI("%s Graph %p, %d nodes, %d edges", prefix, &g, (int)g.nodes.size(), (int)g.edges.size());
+    std::ostringstream os;
+    for(size_t i = 0; i < g.nodes.size(); i++)
+      os << &g.nodes[i] << " = " << g.nodes[i].data << ", ";
+    ALOGI("%s Nodes: [%s]", prefix, os.str().c_str());
+    os.str("");
+    os.clear();
+    for(size_t i = 0; i < g.edges.size(); i++)
+      os << g.edges[i].left << " -> " << g.edges[i].right << ", ";
+    ALOGI("%s Edges: [%s]", prefix, os.str().c_str());
+}
+
+// Methods from ::android::hardware::tests::pointer::V1_0::IGraph follow.
+Return<void> Graph::passAGraph(const IGraph::Graph& g) {
+    ALOGI("SERVER(Graph) passAGraph start.");
+    PUSH_ERROR_IF(!isSimpleGraph(g));
+    // logSimpleGraph("SERVER(Graph) passAGraph:", g);
+    return Void();
+}
+
+Return<void> Graph::giveAGraph(giveAGraph_cb _cb) {
+    IGraph::Graph g;
+    simpleGraph(g);
+    _cb(g);
+    return Void();
+}
+
+Return<void> Graph::passANode(const IGraph::Node& n) {
+    PUSH_ERROR_IF(n.data != 10);
+    return Void();
+}
+
+Return<void> Graph::passTwoGraphs(IGraph::Graph const* g1, IGraph::Graph const* g2) {
+    PUSH_ERROR_IF(g1 != g2);
+    PUSH_ERROR_IF(!isSimpleGraph(*g1));
+    logSimpleGraph("SERVER(Graph): passTwoGraphs", *g2);
+    return Void();
+}
+
+Return<void> Graph::passAGamma(const IGraph::Gamma& c) {
+    if(c.a_ptr == nullptr && c.b_ptr == nullptr)
+      return Void();
+    ALOGI("SERVER(Graph) passAGamma received c.a = %p, c.b = %p, c.a->s = %p, c.b->s = %p",
+        c.a_ptr, c.b_ptr, c.a_ptr->s_ptr, c.b_ptr->s_ptr);
+    ALOGI("SERVER(Graph) passAGamma received data %d, %d",
+        (int)c.a_ptr->s_ptr->data, (int)c.b_ptr->s_ptr->data);
+    PUSH_ERROR_IF(c.a_ptr->s_ptr != c.b_ptr->s_ptr);
+    return Void();
+}
+Return<void> Graph::passASimpleRef(const IGraph::Alpha * a_ptr) {
+    ALOGI("SERVER(Graph) passASimpleRef received %d", a_ptr->s_ptr->data);
+    PUSH_ERROR_IF(a_ptr->s_ptr->data != 500);
+    return Void();
+}
+Return<void> Graph::passASimpleRefS(const IGraph::Theta * s_ptr) {
+    ALOGI("SERVER(Graph) passASimpleRefS received %d @ %p", s_ptr->data, s_ptr);
+    PUSH_ERROR_IF(s_ptr->data == 10);
+    return Void();
+}
+Return<void> Graph::giveASimpleRef(giveASimpleRef_cb _cb) {
+    IGraph::Theta s; s.data = 500;
+    IGraph::Alpha a; a.s_ptr = &s;
+    _cb(&a);
+    return Void();
+}
+
+Return<int32_t> Graph::getErrors() {
+    if(!errors.empty()) {
+        for(const auto& e : errors)
+            ALOGW("SERVER(Graph) error: %s", e.c_str());
+    }
+    return errors.size();
+}
+
+IGraph* HIDL_FETCH_IGraph(const char* /* name */) {
+    return new Graph();
+}
+
+} // namespace implementation
+}  // namespace V1_0
+}  // namespace pointer
+}  // namespace tests
+}  // namespace hardware
+}  // namespace android