Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / v8 / test / cctest / compiler / test-node.cc

diff --git a/src/v8/test/cctest/compiler/test-node.cc b/src/v8/test/cctest/compiler/test-node.cc
index 6fe8573..28d807e 100644 (file)
--- a/src/v8/test/cctest/compiler/test-node.cc
+++ b/src/v8/test/cctest/compiler/test-node.cc
@@ -118,9 +118,14 @@ TEST(NodeUseIteratorOne) {
 TEST(NodeUseIteratorReplaceNoUses) {
   GraphTester graph;
   Node* n0 = graph.NewNode(&dummy_operator);
-  Node* n3 = graph.NewNode(&dummy_operator);
-  n0->ReplaceUses(n3);
+  Node* n1 = graph.NewNode(&dummy_operator);
+  Node* n2 = graph.NewNode(&dummy_operator);
+  Node* n3 = graph.NewNode(&dummy_operator, n2);
+  n0->ReplaceUses(n1);
+  CHECK(n0->uses().begin() == n0->uses().end());
+  n0->ReplaceUses(n2);
   CHECK(n0->uses().begin() == n0->uses().end());
+  USE(n3);
 }
 
 
@@ -333,6 +338,27 @@ TEST(Inputs) {
 }
 
 
+TEST(RemoveInput) {
+  GraphTester graph;
+
+  Node* n0 = graph.NewNode(&dummy_operator);
+  Node* n1 = graph.NewNode(&dummy_operator, n0);
+  Node* n2 = graph.NewNode(&dummy_operator, n0, n1);
+
+  n1->RemoveInput(0);
+  CHECK_EQ(0, n1->InputCount());
+  CHECK_EQ(1, n0->UseCount());
+
+  n2->RemoveInput(0);
+  CHECK_EQ(1, n2->InputCount());
+  CHECK_EQ(0, n0->UseCount());
+  CHECK_EQ(1, n1->UseCount());
+
+  n2->RemoveInput(0);
+  CHECK_EQ(0, n2->InputCount());
+}
+
+
 TEST(AppendInputsAndIterator) {
   GraphTester graph;