1 files changed, 74 insertions, 0 deletions
diff --git a/runtime/runtime_support_test.cc b/runtime/runtime_support_test.cc
new file mode 100644
index 0000000000..b827813146
--- /dev/null
+++ b/runtime/runtime_support_test.cc
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "runtime_support.h"
+
+#include "common_test.h"
+#include <limits>
+
+namespace art {
+
+class RuntimeSupportTest : public CommonTest {};
+
+TEST_F(RuntimeSupportTest, DoubleToLong) {
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), art_d2l(1.85e19));
+  EXPECT_EQ(std::numeric_limits<int64_t>::min(), art_d2l(-1.85e19));
+  EXPECT_EQ(0LL, art_d2l(0));
+  EXPECT_EQ(1LL, art_d2l(1.0));
+  EXPECT_EQ(10LL, art_d2l(10.0));
+  EXPECT_EQ(100LL, art_d2l(100.0));
+  EXPECT_EQ(-1LL, art_d2l(-1.0));
+  EXPECT_EQ(-10LL, art_d2l(-10.0));
+  EXPECT_EQ(-100LL, art_d2l(-100.0));
+}
+
+TEST_F(RuntimeSupportTest, FloatToLong) {
+  EXPECT_EQ(std::numeric_limits<int64_t>::max(), art_f2l(1.85e19));
+  EXPECT_EQ(std::numeric_limits<int64_t>::min(), art_f2l(-1.85e19));
+  EXPECT_EQ(0LL, art_f2l(0));
+  EXPECT_EQ(1LL, art_f2l(1.0));
+  EXPECT_EQ(10LL, art_f2l(10.0));
+  EXPECT_EQ(100LL, art_f2l(100.0));
+  EXPECT_EQ(-1LL, art_f2l(-1.0));
+  EXPECT_EQ(-10LL, art_f2l(-10.0));
+  EXPECT_EQ(-100LL, art_f2l(-100.0));
+}
+
+TEST_F(RuntimeSupportTest, DoubleToInt) {
+  EXPECT_EQ(std::numeric_limits<int32_t>::max(), art_d2i(4.3e9));
+  EXPECT_EQ(std::numeric_limits<int32_t>::min(), art_d2i(-4.3e9));
+  EXPECT_EQ(0L, art_d2i(0));
+  EXPECT_EQ(1L, art_d2i(1.0));
+  EXPECT_EQ(10L, art_d2i(10.0));
+  EXPECT_EQ(100L, art_d2i(100.0));
+  EXPECT_EQ(-1L, art_d2i(-1.0));
+  EXPECT_EQ(-10L, art_d2i(-10.0));
+  EXPECT_EQ(-100L, art_d2i(-100.0));
+}
+
+TEST_F(RuntimeSupportTest, FloatToInt) {
+  EXPECT_EQ(std::numeric_limits<int32_t>::max(), art_f2i(4.3e9));
+  EXPECT_EQ(std::numeric_limits<int32_t>::min(), art_f2i(-4.3e9));
+  EXPECT_EQ(0L, art_f2i(0));
+  EXPECT_EQ(1L, art_f2i(1.0));
+  EXPECT_EQ(10L, art_f2i(10.0));
+  EXPECT_EQ(100L, art_f2i(100.0));
+  EXPECT_EQ(-1L, art_f2i(-1.0));
+  EXPECT_EQ(-10L, art_f2i(-10.0));
+  EXPECT_EQ(-100L, art_f2i(-100.0));
+}
+
+}  // namespace art