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Issue 358363002: Move platform abstraction to base library (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: updates Created 6 years, 5 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #include <stdlib.h> 28 #include <stdlib.h>
29 29
30 #include "src/v8.h" 30 #include "src/v8.h"
31 31
32 #include "src/base/platform/platform.h"
32 #include "src/diy-fp.h" 33 #include "src/diy-fp.h"
33 #include "src/double.h" 34 #include "src/double.h"
34 #include "src/platform.h"
35 #include "test/cctest/cctest.h" 35 #include "test/cctest/cctest.h"
36 36
37 37
38 using namespace v8::internal; 38 using namespace v8::internal;
39 39
40 40
41 TEST(Uint64Conversions) { 41 TEST(Uint64Conversions) {
42 // Start by checking the byte-order. 42 // Start by checking the byte-order.
43 uint64_t ordered = V8_2PART_UINT64_C(0x01234567, 89ABCDEF); 43 uint64_t ordered = V8_2PART_UINT64_C(0x01234567, 89ABCDEF);
44 CHECK_EQ(3512700564088504e-318, Double(ordered).value()); 44 CHECK_EQ(3512700564088504e-318, Double(ordered).value());
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98 uint64_t bits = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); 98 uint64_t bits = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
99 CHECK(Double(bits).IsDenormal()); 99 CHECK(Double(bits).IsDenormal());
100 bits = V8_2PART_UINT64_C(0x00100000, 00000000); 100 bits = V8_2PART_UINT64_C(0x00100000, 00000000);
101 CHECK(!Double(bits).IsDenormal()); 101 CHECK(!Double(bits).IsDenormal());
102 } 102 }
103 103
104 104
105 TEST(IsSpecial) { 105 TEST(IsSpecial) {
106 CHECK(Double(V8_INFINITY).IsSpecial()); 106 CHECK(Double(V8_INFINITY).IsSpecial());
107 CHECK(Double(-V8_INFINITY).IsSpecial()); 107 CHECK(Double(-V8_INFINITY).IsSpecial());
108 CHECK(Double(OS::nan_value()).IsSpecial()); 108 CHECK(Double(v8::base::OS::nan_value()).IsSpecial());
109 uint64_t bits = V8_2PART_UINT64_C(0xFFF12345, 00000000); 109 uint64_t bits = V8_2PART_UINT64_C(0xFFF12345, 00000000);
110 CHECK(Double(bits).IsSpecial()); 110 CHECK(Double(bits).IsSpecial());
111 // Denormals are not special: 111 // Denormals are not special:
112 CHECK(!Double(5e-324).IsSpecial()); 112 CHECK(!Double(5e-324).IsSpecial());
113 CHECK(!Double(-5e-324).IsSpecial()); 113 CHECK(!Double(-5e-324).IsSpecial());
114 // And some random numbers: 114 // And some random numbers:
115 CHECK(!Double(0.0).IsSpecial()); 115 CHECK(!Double(0.0).IsSpecial());
116 CHECK(!Double(-0.0).IsSpecial()); 116 CHECK(!Double(-0.0).IsSpecial());
117 CHECK(!Double(1.0).IsSpecial()); 117 CHECK(!Double(1.0).IsSpecial());
118 CHECK(!Double(-1.0).IsSpecial()); 118 CHECK(!Double(-1.0).IsSpecial());
119 CHECK(!Double(1000000.0).IsSpecial()); 119 CHECK(!Double(1000000.0).IsSpecial());
120 CHECK(!Double(-1000000.0).IsSpecial()); 120 CHECK(!Double(-1000000.0).IsSpecial());
121 CHECK(!Double(1e23).IsSpecial()); 121 CHECK(!Double(1e23).IsSpecial());
122 CHECK(!Double(-1e23).IsSpecial()); 122 CHECK(!Double(-1e23).IsSpecial());
123 CHECK(!Double(1.7976931348623157e308).IsSpecial()); 123 CHECK(!Double(1.7976931348623157e308).IsSpecial());
124 CHECK(!Double(-1.7976931348623157e308).IsSpecial()); 124 CHECK(!Double(-1.7976931348623157e308).IsSpecial());
125 } 125 }
126 126
127 127
128 TEST(IsInfinite) { 128 TEST(IsInfinite) {
129 CHECK(Double(V8_INFINITY).IsInfinite()); 129 CHECK(Double(V8_INFINITY).IsInfinite());
130 CHECK(Double(-V8_INFINITY).IsInfinite()); 130 CHECK(Double(-V8_INFINITY).IsInfinite());
131 CHECK(!Double(OS::nan_value()).IsInfinite()); 131 CHECK(!Double(v8::base::OS::nan_value()).IsInfinite());
132 CHECK(!Double(0.0).IsInfinite()); 132 CHECK(!Double(0.0).IsInfinite());
133 CHECK(!Double(-0.0).IsInfinite()); 133 CHECK(!Double(-0.0).IsInfinite());
134 CHECK(!Double(1.0).IsInfinite()); 134 CHECK(!Double(1.0).IsInfinite());
135 CHECK(!Double(-1.0).IsInfinite()); 135 CHECK(!Double(-1.0).IsInfinite());
136 uint64_t min_double64 = V8_2PART_UINT64_C(0x00000000, 00000001); 136 uint64_t min_double64 = V8_2PART_UINT64_C(0x00000000, 00000001);
137 CHECK(!Double(min_double64).IsInfinite()); 137 CHECK(!Double(min_double64).IsInfinite());
138 } 138 }
139 139
140 140
141 TEST(Sign) { 141 TEST(Sign) {
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222 Double d0(-4e-324); 222 Double d0(-4e-324);
223 Double d1(d0.NextDouble()); 223 Double d1(d0.NextDouble());
224 Double d2(d1.NextDouble()); 224 Double d2(d1.NextDouble());
225 CHECK_EQ(-0.0, d1.value()); 225 CHECK_EQ(-0.0, d1.value());
226 CHECK_EQ(0.0, d2.value()); 226 CHECK_EQ(0.0, d2.value());
227 CHECK_EQ(4e-324, d2.NextDouble()); 227 CHECK_EQ(4e-324, d2.NextDouble());
228 CHECK_EQ(-1.7976931348623157e308, Double(-V8_INFINITY).NextDouble()); 228 CHECK_EQ(-1.7976931348623157e308, Double(-V8_INFINITY).NextDouble());
229 CHECK_EQ(V8_INFINITY, 229 CHECK_EQ(V8_INFINITY,
230 Double(V8_2PART_UINT64_C(0x7fefffff, ffffffff)).NextDouble()); 230 Double(V8_2PART_UINT64_C(0x7fefffff, ffffffff)).NextDouble());
231 } 231 }
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