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| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "Test.h" | 8 #include "Test.h" |
| 9 #include "TestClassDef.h" | 9 #include "TestClassDef.h" |
| 10 #include "SkRandom.h" | 10 #include "SkRandom.h" |
| 11 #include <math.h> | 11 #include <math.h> |
| 12 | 12 |
| 13 struct BoolTable { | 13 struct BoolTable { |
| 14 int8_t zero, pos, neg, toBool, sign; | 14 int8_t zero, pos, neg, toBool, sign; |
| 15 }; | 15 }; |
| 16 | 16 |
| 17 static void bool_table_test(skiatest::Reporter* reporter, | 17 static void bool_table_test(skiatest::Reporter* reporter, |
| 18 const Sk64& a, const BoolTable& table) | 18 const Sk64& a, const BoolTable& table) |
| 19 { | 19 { |
| 20 REPORTER_ASSERT(reporter, a.isZero() != a.nonZero()); | 20 REPORTER_ASSERT(reporter, a.isZero() != a.nonZero()); |
| 21 | 21 |
| 22 REPORTER_ASSERT(reporter, !a.isZero() == !table.zero); | 22 REPORTER_ASSERT(reporter, !a.isZero() == !table.zero); |
| 23 REPORTER_ASSERT(reporter, !a.isPos() == !table.pos); | 23 REPORTER_ASSERT(reporter, !a.isPos() == !table.pos); |
| 24 REPORTER_ASSERT(reporter, !a.isNeg() == !table.neg); | 24 REPORTER_ASSERT(reporter, !a.isNeg() == !table.neg); |
| 25 REPORTER_ASSERT(reporter, a.getSign() == table.sign); | 25 REPORTER_ASSERT(reporter, a.getSign() == table.sign); |
| 26 } | 26 } |
| 27 | 27 |
| 28 void Sk64::UnitTestWithReporter(void* reporterParam) { | 28 #ifdef SkLONGLONG |
| 29 skiatest::Reporter* reporter = (skiatest::Reporter*)reporterParam; | 29 static SkLONGLONG asLL(const Sk64& a) |
| 30 { |
| 31 return ((SkLONGLONG)a.fHi << 32) | a.fLo; |
| 32 } |
| 33 #endif |
| 30 | 34 |
| 35 DEF_TEST(Sk64Test, reporter) { |
| 31 enum BoolTests { | 36 enum BoolTests { |
| 32 kZero_BoolTest, | 37 kZero_BoolTest, |
| 33 kPos_BoolTest, | 38 kPos_BoolTest, |
| 34 kNeg_BoolTest | 39 kNeg_BoolTest |
| 35 }; | 40 }; |
| 36 static const BoolTable gBoolTable[] = { | 41 static const BoolTable gBoolTable[] = { |
| 37 { 1, 0, 0, 0, 0 }, | 42 { 1, 0, 0, 0, 0 }, |
| 38 { 0, 1, 0, 1, 1 }, | 43 { 0, 1, 0, 1, 1 }, |
| 39 { 0, 0, 1, 1, -1 } | 44 { 0, 0, 1, 1, -1 } |
| 40 }; | 45 }; |
| (...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 84 c = a; c.add(bb); | 89 c = a; c.add(bb); |
| 85 REPORTER_ASSERT(reporter, c.get32() == aa + bb); | 90 REPORTER_ASSERT(reporter, c.get32() == aa + bb); |
| 86 c = a; c.add(-bb); | 91 c = a; c.add(-bb); |
| 87 REPORTER_ASSERT(reporter, c.get32() == aa - bb); | 92 REPORTER_ASSERT(reporter, c.get32() == aa - bb); |
| 88 c = a; c.add(b); | 93 c = a; c.add(b); |
| 89 REPORTER_ASSERT(reporter, c.get32() == aa + bb); | 94 REPORTER_ASSERT(reporter, c.get32() == aa + bb); |
| 90 c = a; c.sub(b); | 95 c = a; c.sub(b); |
| 91 REPORTER_ASSERT(reporter, c.get32() == aa - bb); | 96 REPORTER_ASSERT(reporter, c.get32() == aa - bb); |
| 92 } | 97 } |
| 93 | 98 |
| 94 for (i = 0; i < 1000; i++) { | 99 #ifdef SkLONGLONG |
| 100 for (i = 0; i < 1000; i++) |
| 101 { |
| 95 rand.next64(&a); //a.fHi >>= 1; // avoid overflow | 102 rand.next64(&a); //a.fHi >>= 1; // avoid overflow |
| 96 rand.next64(&b); //b.fHi >>= 1; // avoid overflow | 103 rand.next64(&b); //b.fHi >>= 1; // avoid overflow |
| 97 | 104 |
| 98 if (!(i & 3)) // want to explicitly test these cases | 105 if (!(i & 3)) // want to explicitly test these cases |
| 99 { | 106 { |
| 100 a.fLo = 0; | 107 a.fLo = 0; |
| 101 b.fLo = 0; | 108 b.fLo = 0; |
| 102 } | 109 } |
| 103 else if (!(i & 7)) // want to explicitly test these cases | 110 else if (!(i & 7)) // want to explicitly test these cases |
| 104 { | 111 { |
| 105 a.fHi = 0; | 112 a.fHi = 0; |
| 106 b.fHi = 0; | 113 b.fHi = 0; |
| 107 } | 114 } |
| 108 | 115 |
| 109 int64_t aa = a.as64(); | 116 SkLONGLONG aa = asLL(a); |
| 110 int64_t bb = b.as64(); | 117 SkLONGLONG bb = asLL(b); |
| 111 | 118 |
| 112 REPORTER_ASSERT(reporter, (a < b) == (aa < bb)); | 119 REPORTER_ASSERT(reporter, (a < b) == (aa < bb)); |
| 113 REPORTER_ASSERT(reporter, (a <= b) == (aa <= bb)); | 120 REPORTER_ASSERT(reporter, (a <= b) == (aa <= bb)); |
| 114 REPORTER_ASSERT(reporter, (a > b) == (aa > bb)); | 121 REPORTER_ASSERT(reporter, (a > b) == (aa > bb)); |
| 115 REPORTER_ASSERT(reporter, (a >= b) == (aa >= bb)); | 122 REPORTER_ASSERT(reporter, (a >= b) == (aa >= bb)); |
| 116 REPORTER_ASSERT(reporter, (a == b) == (aa == bb)); | 123 REPORTER_ASSERT(reporter, (a == b) == (aa == bb)); |
| 117 REPORTER_ASSERT(reporter, (a != b) == (aa != bb)); | 124 REPORTER_ASSERT(reporter, (a != b) == (aa != bb)); |
| 118 | 125 |
| 119 c = a; c.add(b); | 126 c = a; c.add(b); |
| 120 REPORTER_ASSERT(reporter, c.as64() == aa + bb); | 127 REPORTER_ASSERT(reporter, asLL(c) == aa + bb); |
| 121 c = a; c.sub(b); | 128 c = a; c.sub(b); |
| 122 REPORTER_ASSERT(reporter, c.as64() == aa - bb); | 129 REPORTER_ASSERT(reporter, asLL(c) == aa - bb); |
| 123 c = a; c.rsub(b); | 130 c = a; c.rsub(b); |
| 124 REPORTER_ASSERT(reporter, c.as64() == bb - aa); | 131 REPORTER_ASSERT(reporter, asLL(c) == bb - aa); |
| 125 c = a; c.negate(); | 132 c = a; c.negate(); |
| 126 REPORTER_ASSERT(reporter, c.as64() == -aa); | 133 REPORTER_ASSERT(reporter, asLL(c) == -aa); |
| 127 | 134 |
| 128 int bits = rand.nextU() & 63; | 135 int bits = rand.nextU() & 63; |
| 129 c = a; c.shiftLeft(bits); | 136 c = a; c.shiftLeft(bits); |
| 130 REPORTER_ASSERT(reporter, c.as64() == (aa << bits)); | 137 REPORTER_ASSERT(reporter, asLL(c) == (aa << bits)); |
| 131 c = a; c.shiftRight(bits); | 138 c = a; c.shiftRight(bits); |
| 132 REPORTER_ASSERT(reporter, c.as64() == (aa >> bits)); | 139 REPORTER_ASSERT(reporter, asLL(c) == (aa >> bits)); |
| 133 c = a; c.roundRight(bits); | 140 c = a; c.roundRight(bits); |
| 134 | 141 |
| 135 int64_t tmp; | 142 SkLONGLONG tmp; |
| 136 | 143 |
| 137 tmp = aa; | 144 tmp = aa; |
| 138 if (bits > 0) | 145 if (bits > 0) |
| 139 tmp += (int64_t)1 << (bits - 1); | 146 tmp += (SkLONGLONG)1 << (bits - 1); |
| 140 REPORTER_ASSERT(reporter, c.as64() == (tmp >> bits)); | 147 REPORTER_ASSERT(reporter, asLL(c) == (tmp >> bits)); |
| 141 | 148 |
| 142 c.setMul(a.fHi, b.fHi); | 149 c.setMul(a.fHi, b.fHi); |
| 143 tmp = (int64_t)a.fHi * b.fHi; | 150 tmp = (SkLONGLONG)a.fHi * b.fHi; |
| 144 REPORTER_ASSERT(reporter, c.as64() == tmp); | 151 REPORTER_ASSERT(reporter, asLL(c) == tmp); |
| 145 } | 152 } |
| 146 | 153 |
| 147 | 154 |
| 148 for (i = 0; i < 100000; i++) | 155 for (i = 0; i < 100000; i++) |
| 149 { | 156 { |
| 150 Sk64 wide; | 157 Sk64 wide; |
| 151 int32_t denom = rand.nextS(); | 158 int32_t denom = rand.nextS(); |
| 152 | 159 |
| 153 while (denom == 0) | 160 while (denom == 0) |
| 154 denom = rand.nextS(); | 161 denom = rand.nextS(); |
| 155 wide.setMul(rand.nextS(), rand.nextS()); | 162 wide.setMul(rand.nextS(), rand.nextS()); |
| 156 int64_t check = wide.getLongLong(); | 163 SkLONGLONG check = wide.getLongLong(); |
| 157 | 164 |
| 158 wide.div(denom, Sk64::kTrunc_DivOption); | 165 wide.div(denom, Sk64::kTrunc_DivOption); |
| 159 check /= denom; | 166 check /= denom; |
| 160 int64_t w = wide.getLongLong(); | 167 SkLONGLONG w = wide.getLongLong(); |
| 161 | 168 |
| 162 REPORTER_ASSERT(reporter, check == w); | 169 REPORTER_ASSERT(reporter, check == w); |
| 163 | 170 |
| 164 wide.setMul(rand.nextS(), rand.nextS()); | 171 wide.setMul(rand.nextS(), rand.nextS()); |
| 165 wide.abs(); | 172 wide.abs(); |
| 166 denom = wide.getSqrt(); | 173 denom = wide.getSqrt(); |
| 167 int32_t ck = (int32_t)sqrt((double)wide.getLongLong()); | 174 int32_t ck = (int32_t)sqrt((double)wide.getLongLong()); |
| 168 int diff = denom - ck; | 175 int diff = denom - ck; |
| 169 REPORTER_ASSERT(reporter, SkAbs32(diff) <= 1); | 176 REPORTER_ASSERT(reporter, SkAbs32(diff) <= 1); |
| 170 } | 177 } |
| 178 #endif |
| 171 } | 179 } |
| 172 | |
| 173 DEF_TEST(Sk64Test, reporter) { | |
| 174 Sk64::UnitTestWithReporter(reporter); | |
| 175 } | |
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