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 "common_test.h"
20 #include <limits>
21
22 namespace art {
23
24 class MathEntrypointsTest : public CommonTest {};
25
TEST_F(MathEntrypointsTest,DoubleToLong)26 TEST_F(MathEntrypointsTest, DoubleToLong) {
27 EXPECT_EQ(std::numeric_limits<int64_t>::max(), art_d2l(1.85e19));
28 EXPECT_EQ(std::numeric_limits<int64_t>::min(), art_d2l(-1.85e19));
29 EXPECT_EQ(0LL, art_d2l(0));
30 EXPECT_EQ(1LL, art_d2l(1.0));
31 EXPECT_EQ(10LL, art_d2l(10.0));
32 EXPECT_EQ(100LL, art_d2l(100.0));
33 EXPECT_EQ(-1LL, art_d2l(-1.0));
34 EXPECT_EQ(-10LL, art_d2l(-10.0));
35 EXPECT_EQ(-100LL, art_d2l(-100.0));
36 }
37
TEST_F(MathEntrypointsTest,FloatToLong)38 TEST_F(MathEntrypointsTest, FloatToLong) {
39 EXPECT_EQ(std::numeric_limits<int64_t>::max(), art_f2l(1.85e19));
40 EXPECT_EQ(std::numeric_limits<int64_t>::min(), art_f2l(-1.85e19));
41 EXPECT_EQ(0LL, art_f2l(0));
42 EXPECT_EQ(1LL, art_f2l(1.0));
43 EXPECT_EQ(10LL, art_f2l(10.0));
44 EXPECT_EQ(100LL, art_f2l(100.0));
45 EXPECT_EQ(-1LL, art_f2l(-1.0));
46 EXPECT_EQ(-10LL, art_f2l(-10.0));
47 EXPECT_EQ(-100LL, art_f2l(-100.0));
48 }
49
TEST_F(MathEntrypointsTest,DoubleToInt)50 TEST_F(MathEntrypointsTest, DoubleToInt) {
51 EXPECT_EQ(std::numeric_limits<int32_t>::max(), art_d2i(4.3e9));
52 EXPECT_EQ(std::numeric_limits<int32_t>::min(), art_d2i(-4.3e9));
53 EXPECT_EQ(0L, art_d2i(0));
54 EXPECT_EQ(1L, art_d2i(1.0));
55 EXPECT_EQ(10L, art_d2i(10.0));
56 EXPECT_EQ(100L, art_d2i(100.0));
57 EXPECT_EQ(-1L, art_d2i(-1.0));
58 EXPECT_EQ(-10L, art_d2i(-10.0));
59 EXPECT_EQ(-100L, art_d2i(-100.0));
60 }
61
TEST_F(MathEntrypointsTest,FloatToInt)62 TEST_F(MathEntrypointsTest, FloatToInt) {
63 EXPECT_EQ(std::numeric_limits<int32_t>::max(), art_f2i(4.3e9));
64 EXPECT_EQ(std::numeric_limits<int32_t>::min(), art_f2i(-4.3e9));
65 EXPECT_EQ(0L, art_f2i(0));
66 EXPECT_EQ(1L, art_f2i(1.0));
67 EXPECT_EQ(10L, art_f2i(10.0));
68 EXPECT_EQ(100L, art_f2i(100.0));
69 EXPECT_EQ(-1L, art_f2i(-1.0));
70 EXPECT_EQ(-10L, art_f2i(-10.0));
71 EXPECT_EQ(-100L, art_f2i(-100.0));
72 }
73
74 } // namespace art
75