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Side by Side Diff: tests/RTreeTest.cpp

Issue 670213002: Cut down SkBBH API more. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: virtual Created 6 years, 1 month ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 "SkRTree.h" 8 #include "SkRTree.h"
9 #include "SkRandom.h" 9 #include "SkRandom.h"
10 #include "SkTSort.h" 10 #include "SkTSort.h"
(...skipping 11 matching lines...) Expand all
22 while (rect.isEmpty()) { 22 while (rect.isEmpty()) {
23 rect.fLeft = rand.nextRangeF(0, 1000); 23 rect.fLeft = rand.nextRangeF(0, 1000);
24 rect.fRight = rand.nextRangeF(0, 1000); 24 rect.fRight = rand.nextRangeF(0, 1000);
25 rect.fTop = rand.nextRangeF(0, 1000); 25 rect.fTop = rand.nextRangeF(0, 1000);
26 rect.fBottom = rand.nextRangeF(0, 1000); 26 rect.fBottom = rand.nextRangeF(0, 1000);
27 rect.sort(); 27 rect.sort();
28 } 28 }
29 return rect; 29 return rect;
30 } 30 }
31 31
32 static void random_data_rects(SkRandom& rand, SkRect out[], int n) {
33 for (int i = 0; i < n; ++i) {
34 out[i] = random_rect(rand);
35 }
36 }
37
38 static bool verify_query(SkRect query, SkRect rects[], SkTDArray<unsigned>& foun d) { 32 static bool verify_query(SkRect query, SkRect rects[], SkTDArray<unsigned>& foun d) {
39 // TODO(mtklein): no need to do this after everything's SkRects 33 // TODO(mtklein): no need to do this after everything's SkRects
40 query.roundOut(); 34 query.roundOut();
41 35
42 SkTDArray<unsigned> expected; 36 SkTDArray<unsigned> expected;
43 37
44 // manually intersect with every rectangle 38 // manually intersect with every rectangle
45 for (int i = 0; i < NUM_RECTS; ++i) { 39 for (int i = 0; i < NUM_RECTS; ++i) {
46 if (SkRect::Intersects(query, rects[i])) { 40 if (SkRect::Intersects(query, rects[i])) {
47 expected.push(i); 41 expected.push(i);
(...skipping 18 matching lines...) Expand all
66 SkRTree& tree) { 60 SkRTree& tree) {
67 for (size_t i = 0; i < NUM_QUERIES; ++i) { 61 for (size_t i = 0; i < NUM_QUERIES; ++i) {
68 SkTDArray<unsigned> hits; 62 SkTDArray<unsigned> hits;
69 SkRect query = random_rect(rand); 63 SkRect query = random_rect(rand);
70 tree.search(query, &hits); 64 tree.search(query, &hits);
71 REPORTER_ASSERT(reporter, verify_query(query, rects, hits)); 65 REPORTER_ASSERT(reporter, verify_query(query, rects, hits));
72 } 66 }
73 } 67 }
74 68
75 static void rtree_test_main(SkRTree* rtree, skiatest::Reporter* reporter) { 69 static void rtree_test_main(SkRTree* rtree, skiatest::Reporter* reporter) {
76 SkRect rects[NUM_RECTS]; 70 SkASSERT(rtree);
77 SkRandom rand;
78 REPORTER_ASSERT(reporter, rtree);
79 71
80 int expectedDepthMin = -1; 72 int expectedDepthMin = -1;
81 int expectedDepthMax = -1; 73 int expectedDepthMax = -1;
82 74
83 int tmp = NUM_RECTS; 75 int tmp = NUM_RECTS;
84 while (tmp > 0) { 76 while (tmp > 0) {
85 tmp -= static_cast<int>(pow(static_cast<double>(MAX_CHILDREN), 77 tmp -= static_cast<int>(pow(static_cast<double>(MAX_CHILDREN),
86 static_cast<double>(expectedDepthMin + 1))); 78 static_cast<double>(expectedDepthMin + 1)));
87 ++expectedDepthMin; 79 ++expectedDepthMin;
88 } 80 }
89 81
90 tmp = NUM_RECTS; 82 tmp = NUM_RECTS;
91 while (tmp > 0) { 83 while (tmp > 0) {
92 tmp -= static_cast<int>(pow(static_cast<double>(MIN_CHILDREN), 84 tmp -= static_cast<int>(pow(static_cast<double>(MIN_CHILDREN),
93 static_cast<double>(expectedDepthMax + 1))); 85 static_cast<double>(expectedDepthMax + 1)));
94 ++expectedDepthMax; 86 ++expectedDepthMax;
95 } 87 }
96 88
89 SkRandom rand;
90 SkAutoTMalloc<SkRect> rects(NUM_RECTS);
97 for (size_t i = 0; i < NUM_ITERATIONS; ++i) { 91 for (size_t i = 0; i < NUM_ITERATIONS; ++i) {
98 random_data_rects(rand, rects, NUM_RECTS); 92 rtree->clear();
93 REPORTER_ASSERT(reporter, 0 == rtree->getCount());
99 94
100 // First try bulk-loaded inserts 95 for (int j = 0; j < NUM_RECTS; j++) {
101 for (int i = 0; i < NUM_RECTS; ++i) { 96 rects[j] = random_rect(rand);
102 rtree->insert(i, rects[i], true);
103 } 97 }
104 rtree->flushDeferredInserts(); 98
99 rtree->insert(&rects, NUM_RECTS);
100 SkASSERT(rects); // SkRTree doesn't take ownership of rects.
101
105 run_queries(reporter, rand, rects, *rtree); 102 run_queries(reporter, rand, rects, *rtree);
106 REPORTER_ASSERT(reporter, NUM_RECTS == rtree->getCount()); 103 REPORTER_ASSERT(reporter, NUM_RECTS == rtree->getCount());
107 REPORTER_ASSERT(reporter, expectedDepthMin <= rtree->getDepth() && 104 REPORTER_ASSERT(reporter, expectedDepthMin <= rtree->getDepth() &&
108 expectedDepthMax >= rtree->getDepth()); 105 expectedDepthMax >= rtree->getDepth());
109 rtree->clear();
110 REPORTER_ASSERT(reporter, 0 == rtree->getCount());
111
112 // Then try immediate inserts
113 for (int i = 0; i < NUM_RECTS; ++i) {
114 rtree->insert(i, rects[i]);
115 }
116 run_queries(reporter, rand, rects, *rtree);
117 REPORTER_ASSERT(reporter, NUM_RECTS == rtree->getCount());
118 REPORTER_ASSERT(reporter, expectedDepthMin <= rtree->getDepth() &&
119 expectedDepthMax >= rtree->getDepth());
120 rtree->clear();
121 REPORTER_ASSERT(reporter, 0 == rtree->getCount());
122
123 // And for good measure try immediate inserts, but in reversed order
124 for (int i = NUM_RECTS - 1; i >= 0; --i) {
125 rtree->insert(i, rects[i]);
126 }
127 run_queries(reporter, rand, rects, *rtree);
128 REPORTER_ASSERT(reporter, NUM_RECTS == rtree->getCount());
129 REPORTER_ASSERT(reporter, expectedDepthMin <= rtree->getDepth() &&
130 expectedDepthMax >= rtree->getDepth());
131 rtree->clear();
132 REPORTER_ASSERT(reporter, 0 == rtree->getCount());
133 } 106 }
134 } 107 }
135 108
136 DEF_TEST(RTree, reporter) { 109 DEF_TEST(RTree, reporter) {
137 SkRTree* rtree = SkRTree::Create(MIN_CHILDREN, MAX_CHILDREN); 110 SkRTree* rtree = SkRTree::Create(MIN_CHILDREN, MAX_CHILDREN);
138 SkAutoUnref au(rtree); 111 SkAutoUnref au(rtree);
139 rtree_test_main(rtree, reporter); 112 rtree_test_main(rtree, reporter);
140 113
141 // Rtree that orders input rectangles on deferred insert. 114 // Rtree that orders input rectangles on deferred insert.
142 SkRTree* unsortedRtree = SkRTree::Create(MIN_CHILDREN, MAX_CHILDREN, 1, fals e); 115 SkRTree* unsortedRtree = SkRTree::Create(MIN_CHILDREN, MAX_CHILDREN, 1, fals e);
143 SkAutoUnref auo(unsortedRtree); 116 SkAutoUnref auo(unsortedRtree);
144 rtree_test_main(unsortedRtree, reporter); 117 rtree_test_main(unsortedRtree, reporter);
145 } 118 }
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