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1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "math_entrypoints.h"
18 
19 #include <limits>
20 
21 #include "common_runtime_test.h"
22 
23 namespace art {
24 
25 class MathEntrypointsTest : public CommonRuntimeTest {};
26 
TEST_F(MathEntrypointsTest,DoubleToLong)27 TEST_F(MathEntrypointsTest, DoubleToLong) {
28   EXPECT_EQ(std::numeric_limits<int64_t>::max(), art_d2l(1.85e19));
29   EXPECT_EQ(std::numeric_limits<int64_t>::min(), art_d2l(-1.85e19));
30   EXPECT_EQ(INT64_C(0), art_d2l(0));
31   EXPECT_EQ(INT64_C(1), art_d2l(1.0));
32   EXPECT_EQ(INT64_C(10), art_d2l(10.0));
33   EXPECT_EQ(INT64_C(100), art_d2l(100.0));
34   EXPECT_EQ(INT64_C(-1), art_d2l(-1.0));
35   EXPECT_EQ(INT64_C(-10), art_d2l(-10.0));
36   EXPECT_EQ(INT64_C(-100), art_d2l(-100.0));
37 }
38 
TEST_F(MathEntrypointsTest,FloatToLong)39 TEST_F(MathEntrypointsTest, FloatToLong) {
40   EXPECT_EQ(std::numeric_limits<int64_t>::max(), art_f2l(1.85e19));
41   EXPECT_EQ(std::numeric_limits<int64_t>::min(), art_f2l(-1.85e19));
42   EXPECT_EQ(INT64_C(0), art_f2l(0));
43   EXPECT_EQ(INT64_C(1), art_f2l(1.0));
44   EXPECT_EQ(INT64_C(10), art_f2l(10.0));
45   EXPECT_EQ(INT64_C(100), art_f2l(100.0));
46   EXPECT_EQ(INT64_C(-1), art_f2l(-1.0));
47   EXPECT_EQ(INT64_C(-10), art_f2l(-10.0));
48   EXPECT_EQ(INT64_C(-100), art_f2l(-100.0));
49 }
50 
TEST_F(MathEntrypointsTest,DoubleToInt)51 TEST_F(MathEntrypointsTest, DoubleToInt) {
52   EXPECT_EQ(std::numeric_limits<int32_t>::max(), art_d2i(4.3e9));
53   EXPECT_EQ(std::numeric_limits<int32_t>::min(), art_d2i(-4.3e9));
54   EXPECT_EQ(0L, art_d2i(0));
55   EXPECT_EQ(1L, art_d2i(1.0));
56   EXPECT_EQ(10L, art_d2i(10.0));
57   EXPECT_EQ(100L, art_d2i(100.0));
58   EXPECT_EQ(-1L, art_d2i(-1.0));
59   EXPECT_EQ(-10L, art_d2i(-10.0));
60   EXPECT_EQ(-100L, art_d2i(-100.0));
61 }
62 
TEST_F(MathEntrypointsTest,FloatToInt)63 TEST_F(MathEntrypointsTest, FloatToInt) {
64   EXPECT_EQ(std::numeric_limits<int32_t>::max(), art_f2i(4.3e9));
65   EXPECT_EQ(std::numeric_limits<int32_t>::min(), art_f2i(-4.3e9));
66   EXPECT_EQ(0L, art_f2i(0));
67   EXPECT_EQ(1L, art_f2i(1.0));
68   EXPECT_EQ(10L, art_f2i(10.0));
69   EXPECT_EQ(100L, art_f2i(100.0));
70   EXPECT_EQ(-1L, art_f2i(-1.0));
71   EXPECT_EQ(-10L, art_f2i(-10.0));
72   EXPECT_EQ(-100L, art_f2i(-100.0));
73 }
74 
75 }  // namespace art
76