1 /* 2 * Copyright (C) 2017 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 #include "TriState.h" 17 #include <gtest/gtest.h> 18 19 #include <cassert> 20 #include <cstdint> 21 #include <cstdio> 22 #include <iostream> 23 24 using HidUtil::TriState; 25 typedef TriState<uint32_t> tri_uint32_t; 26 typedef TriState<int32_t> tri_int32_t; 27 typedef TriState<int16_t> tri_int16_t; 28 29 TEST(TriStateTest, Constructor) { 30 tri_uint32_t a; 31 EXPECT_FALSE(a.isSet()); 32 33 a += 1; 34 EXPECT_FALSE(a.isSet()); 35 36 a -= 1; 37 EXPECT_FALSE(a.isSet()); 38 39 a *= 1; 40 EXPECT_FALSE(a.isSet()); 41 42 a /= 1; 43 EXPECT_FALSE(a.isSet()); 44 45 tri_uint32_t b; 46 b = a; 47 EXPECT_FALSE(b.isSet()); 48 49 a = 1; 50 EXPECT_TRUE(a.isSet()); 51 52 b = a; 53 EXPECT_TRUE(b.isSet()); 54 55 a.clear(); 56 EXPECT_FALSE(a.isSet()); 57 EXPECT_TRUE(b.isSet()); 58 59 tri_uint32_t c(b); 60 EXPECT_TRUE(c.isSet()); 61 62 c.clear(); 63 EXPECT_FALSE(c.isSet()); 64 65 tri_uint32_t d(a); 66 EXPECT_FALSE(c.isSet()); 67 } 68 69 TEST(TriStateTest, IncAndDecOperation) { 70 tri_int32_t a(1); 71 72 EXPECT_EQ(2, (++a).get(0)); 73 EXPECT_EQ(2, (a++).get(0)); 74 EXPECT_EQ(3, a.get(0)); 75 76 EXPECT_EQ(2, (--a).get(0)); 77 EXPECT_EQ(2, (a--).get(0)); 78 EXPECT_EQ(1, a.get(0)); 79 80 tri_uint32_t b; 81 EXPECT_EQ(static_cast<uint32_t>(100), (++b).get(100)); 82 EXPECT_EQ(static_cast<uint32_t>(101), (b++).get(101)); 83 EXPECT_EQ(static_cast<uint32_t>(102), b.get(102)); 84 EXPECT_FALSE(b.isSet()); 85 86 EXPECT_EQ(static_cast<uint32_t>(103), (--b).get(103)); 87 EXPECT_EQ(static_cast<uint32_t>(104), (b--).get(104)); 88 EXPECT_EQ(static_cast<uint32_t>(105), b.get(105)); 89 EXPECT_FALSE(b.isSet()); 90 } 91 92 TEST(TriStateTest, Comparison) { 93 tri_int32_t a(1); 94 tri_int32_t b(1); 95 tri_int32_t c(2); 96 tri_int32_t d; 97 98 EXPECT_EQ(a, b); 99 EXPECT_FALSE((a != b)); 100 EXPECT_TRUE(!(a != b)); 101 EXPECT_NE(-1, a); 102 103 EXPECT_LT(a, c); 104 EXPECT_LT(a, 3); 105 106 EXPECT_GT(c, b); 107 EXPECT_GT(c, 0); 108 109 EXPECT_LE(a, 1); 110 EXPECT_LE(a, c); 111 EXPECT_LE(a, 3); 112 EXPECT_LE(a, b); 113 114 EXPECT_GE(c, b); 115 EXPECT_GE(b, a); 116 EXPECT_GE(c, 0); 117 EXPECT_GE(c, 2); 118 119 EXPECT_FALSE((a == d).isSet()); 120 EXPECT_FALSE((a >= d).isSet()); 121 EXPECT_FALSE((a <= d).isSet()); 122 EXPECT_FALSE((a != d).isSet()); 123 EXPECT_FALSE((a > d).isSet()); 124 EXPECT_FALSE((a < d).isSet()); 125 126 //EXPECT_EQ(a, d); // will cause runtime failure 127 // due to converting a not-set TriState<bool> to bool 128 } 129 130 TEST(TriStateTest, CompoundAssign) { 131 tri_uint32_t x; 132 133 x += 10; 134 EXPECT_FALSE(x.isSet()); 135 x -= 10; 136 EXPECT_FALSE(x.isSet()); 137 x *= 10; 138 EXPECT_FALSE(x.isSet()); 139 x /= 10; 140 EXPECT_FALSE(x.isSet()); 141 x &= 10; 142 EXPECT_FALSE(x.isSet()); 143 x |= 10; 144 EXPECT_FALSE(x.isSet()); 145 x %= 10; 146 EXPECT_FALSE(x.isSet()); 147 x <<= 10; 148 EXPECT_FALSE(x.isSet()); 149 x >>= 10; 150 EXPECT_FALSE(x.isSet()); 151 152 tri_int32_t y, z, w; 153 #define TEST_COMPOUND_ASSIGN(a, op, op_c, b) \ 154 y = z = a; \ 155 w = b; \ 156 y op_c b; \ 157 EXPECT_TRUE(y.isSet()); \ 158 EXPECT_EQ(y, (a op b)); \ 159 EXPECT_EQ(y, (z op b)); \ 160 EXPECT_EQ(y, (a op w)); 161 162 TEST_COMPOUND_ASSIGN(123, +, +=, 456); 163 TEST_COMPOUND_ASSIGN(123, -, -=, 456); 164 TEST_COMPOUND_ASSIGN(123, *, *=, 456); 165 TEST_COMPOUND_ASSIGN(123, /, /=, 456); 166 TEST_COMPOUND_ASSIGN(123, |, |=, 456); 167 TEST_COMPOUND_ASSIGN(123, &, &=, 456); 168 TEST_COMPOUND_ASSIGN(123, ^, ^=, 456); 169 TEST_COMPOUND_ASSIGN(123, %, %=, 456); 170 #undef TEST_COMPOUND_ASSIGN 171 y = z = 123; 172 w = 10; 173 y <<= 10; 174 EXPECT_TRUE(y.isSet()); 175 EXPECT_EQ(123 << 10, y); 176 177 y = z = 12345; 178 w = 10; 179 y >>= 10; 180 EXPECT_TRUE(y.isSet()); 181 EXPECT_EQ(12345 >> 10, y); 182 } 183 184 TEST(TriStateTest, UnaryOperation) { 185 tri_int16_t p; 186 EXPECT_FALSE((!p).isSet()); 187 EXPECT_FALSE((-p).isSet()); 188 EXPECT_FALSE((~p).isSet()); 189 190 tri_int16_t q(1234); 191 EXPECT_TRUE((!q).isSet()); 192 EXPECT_EQ(!static_cast<int16_t>(1234), (!q)); 193 194 tri_int16_t r(1234); 195 EXPECT_TRUE((-r).isSet()); 196 EXPECT_EQ(-1234, (-r)); 197 198 tri_int16_t s(1234); 199 EXPECT_TRUE((~s).isSet()); 200 EXPECT_EQ(~static_cast<int16_t>(1234), ~s); 201 } 202 203
