Upload Kmake

deps/v8/test/unittests/compiler/js-native-context-specialization-unittest.cc

@@ -0,0 +1,47 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/compiler/js-native-context-specialization.h"
+
+#include "src/compiler/js-operator.h"
+#include "test/unittests/compiler/graph-unittest.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+namespace js_native_context_specialization_unittest {
+
+class JSNativeContextSpecializationTest : public GraphTest {
+ public:
+  explicit JSNativeContextSpecializationTest(int num_parameters = 1)
+      : GraphTest(num_parameters), javascript_(zone()) {}
+  ~JSNativeContextSpecializationTest() override {}
+
+ protected:
+  JSOperatorBuilder* javascript() { return &javascript_; }
+
+ private:
+  JSOperatorBuilder javascript_;
+};
+
+TEST_F(JSNativeContextSpecializationTest, GetMaxStringLengthOfString) {
+  const size_t str_len = 3;
+  const size_t num_len = kMaxDoubleStringLength;
+
+  Node* const str_node = graph()->NewNode(common()->HeapConstant(
+      CanonicalHandle(factory()->InternalizeUtf8String("str"))));
+  EXPECT_EQ(
+      JSNativeContextSpecialization::GetMaxStringLength(broker(), str_node),
+      str_len);
+
+  Node* const num_node = graph()->NewNode(common()->NumberConstant(10.0 / 3));
+  EXPECT_EQ(
+      JSNativeContextSpecialization::GetMaxStringLength(broker(), num_node),
+      num_len);
+}
+
+}  // namespace js_native_context_specialization_unittest
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8