Reland "Unwrap GrRedBlackTree unit test and use REPORTER_ASSERT()."

src/gpu/GrRedBlackTree.h

Index: src/gpu/GrRedBlackTree.h
diff --git a/src/gpu/GrRedBlackTree.h b/src/gpu/GrRedBlackTree.h
index 1b2195c4f7e448d818c21ddb3c855733fca80d20..41a3dfb61e8103b308452f269dae1255535ffe79 100644
--- a/src/gpu/GrRedBlackTree.h
+++ b/src/gpu/GrRedBlackTree.h
@@ -8,6 +8,7 @@
 #ifndef GrRedBlackTree_DEFINED
 #define GrRedBlackTree_DEFINED
 
+#include "GrConfig.h"
 #include "SkTypes.h"
 
 template <typename T>
@@ -941,175 +942,4 @@ bool GrRedBlackTree<T,C>::validateChildRelations(const Node* n,
 }
 #endif
 
-#include "SkRandom.h"
-
-template <typename T, typename C>
-void GrRedBlackTree<T,C>::UnitTest() {
-    GrRedBlackTree<int> tree;
-
-    SkRandom r;
-
-    int count[100] = {0};
-    // add 10K ints
-    for (int i = 0; i < 10000; ++i) {
-        int x = r.nextU()%100;
-        SkDEBUGCODE(Iter xi = ) tree.insert(x);
-        SkASSERT(*xi == x);
-        ++count[x];
-    }
-
-    tree.insert(0);
-    ++count[0];
-    tree.insert(99);
-    ++count[99];
-    SkASSERT(*tree.begin() == 0);
-    SkASSERT(*tree.last() == 99);
-    SkASSERT(--(++tree.begin()) == tree.begin());
-    SkASSERT(--tree.end() == tree.last());
-    SkASSERT(tree.count() == 10002);
-
-    int c = 0;
-    // check that we iterate through the correct number of
-    // elements and they are properly sorted.
-    for (Iter a = tree.begin(); tree.end() != a; ++a) {
-        Iter b = a;
-        ++b;
-        ++c;
-        SkASSERT(b == tree.end() || *a <= *b);
-    }
-    SkASSERT(c == tree.count());
-
-    // check that the tree reports the correct number of each int
-    // and that we can iterate through them correctly both forward
-    // and backward.
-    for (int i = 0; i < 100; ++i) {
-        int c;
-        c = tree.countOf(i);
-        SkASSERT(c == count[i]);
-        c = 0;
-        Iter iter = tree.findFirst(i);
-        while (iter != tree.end() && *iter == i) {
-            ++c;
-            ++iter;
-        }
-        SkASSERT(count[i] == c);
-        c = 0;
-        iter = tree.findLast(i);
-        if (iter != tree.end()) {
-            do {
-                if (*iter == i) {
-                    ++c;
-                } else {
-                    break;
-                }
-                if (iter != tree.begin()) {
-                    --iter;
-                } else {
-                    break;
-                }
-            } while (true);
-        }
-        SkASSERT(c == count[i]);
-    }
-    // remove all the ints between 25 and 74. Randomly chose to remove
-    // the first, last, or any entry for each.
-    for (int i = 25; i < 75; ++i) {
-        while (0 != tree.countOf(i)) {
-            --count[i];
-            int x = r.nextU() % 3;
-            Iter iter;
-            switch (x) {
-            case 0:
-                iter = tree.findFirst(i);
-                break;
-            case 1:
-                iter = tree.findLast(i);
-                break;
-            case 2:
-            default:
-                iter = tree.find(i);
-                break;
-            }
-            tree.remove(iter);
-        }
-        SkASSERT(0 == count[i]);
-        SkASSERT(tree.findFirst(i) == tree.end());
-        SkASSERT(tree.findLast(i) == tree.end());
-        SkASSERT(tree.find(i) == tree.end());
-    }
-    // remove all of the 0 entries. (tests removing begin())
-    SkASSERT(*tree.begin() == 0);
-    SkASSERT(*(--tree.end()) == 99);
-    while (0 != tree.countOf(0)) {
-        --count[0];
-        tree.remove(tree.find(0));
-    }
-    SkASSERT(0 == count[0]);
-    SkASSERT(tree.findFirst(0) == tree.end());
-    SkASSERT(tree.findLast(0) == tree.end());
-    SkASSERT(tree.find(0) == tree.end());
-    SkASSERT(0 < *tree.begin());
-
-    // remove all the 99 entries (tests removing last()).
-    while (0 != tree.countOf(99)) {
-        --count[99];
-        tree.remove(tree.find(99));
-    }
-    SkASSERT(0 == count[99]);
-    SkASSERT(tree.findFirst(99) == tree.end());
-    SkASSERT(tree.findLast(99) == tree.end());
-    SkASSERT(tree.find(99) == tree.end());
-    SkASSERT(99 > *(--tree.end()));
-    SkASSERT(tree.last() == --tree.end());
-
-    // Make sure iteration still goes through correct number of entries
-    // and is still sorted correctly.
-    c = 0;
-    for (Iter a = tree.begin(); tree.end() != a; ++a) {
-        Iter b = a;
-        ++b;
-        ++c;
-        SkASSERT(b == tree.end() || *a <= *b);
-    }
-    SkASSERT(c == tree.count());
-
-    // repeat check that correct number of each entry is in the tree
-    // and iterates correctly both forward and backward.
-    for (int i = 0; i < 100; ++i) {
-        SkASSERT(tree.countOf(i) == count[i]);
-        int c = 0;
-        Iter iter = tree.findFirst(i);
-        while (iter != tree.end() && *iter == i) {
-            ++c;
-            ++iter;
-        }
-        SkASSERT(count[i] == c);
-        c = 0;
-        iter = tree.findLast(i);
-        if (iter != tree.end()) {
-            do {
-                if (*iter == i) {
-                    ++c;
-                } else {
-                    break;
-                }
-                if (iter != tree.begin()) {
-                    --iter;
-                } else {
-                    break;
-                }
-            } while (true);
-        }
-        SkASSERT(count[i] == c);
-    }
-
-    // remove all entries
-    while (!tree.empty()) {
-        tree.remove(tree.begin());
-    }
-
-    // test reset on empty tree.
-    tree.reset();
-}
-
 #endif