dyndep: add dedicated test for dyndep-discovered implicit dependencies

Previously this was covered only as part of more complex tests.

1 files changed, 31 insertions, 0 deletions

diff --git a/src/graph_test.cc b/src/graph_test.cc
index 14f6375..6b4bb51 100644
--- a/src/graph_test.cc
+++ b/src/graph_test.cc
@@ -511,6 +511,37 @@ TEST_F(GraphTest, DyndepLoadTrivial) {
   EXPECT_FALSE(edge->GetBindingBool("restat"));
 }
 
+TEST_F(GraphTest, DyndepLoadImplicit) {
+  AssertParse(&state_,
+"rule r\n"
+"  command = unused\n"
+"build out1: r in || dd\n"
+"  dyndep = dd\n"
+"build out2: r in\n"
+  );
+  fs_.Create("dd",
+"ninja_dyndep_version = 1\n"
+"build out1: dyndep | out2\n"
+  );
+
+  string err;
+  ASSERT_TRUE(GetNode("dd")->dyndep_pending());
+  EXPECT_TRUE(scan_.LoadDyndeps(GetNode("dd"), &err));
+  EXPECT_EQ("", err);
+  EXPECT_FALSE(GetNode("dd")->dyndep_pending());
+
+  Edge* edge = GetNode("out1")->in_edge();
+  ASSERT_EQ(1u, edge->outputs_.size());
+  EXPECT_EQ("out1", edge->outputs_[0]->path());
+  ASSERT_EQ(3u, edge->inputs_.size());
+  EXPECT_EQ("in", edge->inputs_[0]->path());
+  EXPECT_EQ("out2", edge->inputs_[1]->path());
+  EXPECT_EQ("dd", edge->inputs_[2]->path());
+  EXPECT_EQ(1u, edge->implicit_deps_);
+  EXPECT_EQ(1u, edge->order_only_deps_);
+  EXPECT_FALSE(edge->GetBindingBool("restat"));
+}
+
 TEST_F(GraphTest, DyndepLoadMissingFile) {
   AssertParse(&state_,
 "rule r\n"