Split GrUnitTests.cpp into two separate unit tests.

GrUnitTests is too generic. Instead we split this file between the two
APIs being tested there, GrTBSearch and GrBinHashKey.

BUG=None
TEST=tests -m GrTBSearchTest && tests -m GrBinHashKeyTest
R=brian@thesalomons.net, robertphillips@google.com

Review URL: https://codereview.chromium.org/150943002

git-svn-id: http://skia.googlecode.com/svn/trunk@13273 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/GrBinHashKeyTest.cpp b/tests/GrBinHashKeyTest.cpp
new file mode 100644
index 0000000..96b851f
--- /dev/null
+++ b/tests/GrBinHashKeyTest.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+// This is a GPU-backend specific test
+#if SK_SUPPORT_GPU
+
+#include "GrBinHashKey.h"
+
+#include "Test.h"
+
+DEF_TEST(GrBinHashKeyTest, reporter) {
+    const char* testStringA_ = "abcdABCD";
+    const char* testStringB_ = "abcdBBCD";
+    const uint32_t* testStringA = reinterpret_cast<const uint32_t*>(testStringA_);
+    const uint32_t* testStringB = reinterpret_cast<const uint32_t*>(testStringB_);
+    enum {
+        kDataLenUsedForKey = 8
+    };
+
+    GrBinHashKey<kDataLenUsedForKey> keyA;
+    keyA.setKeyData(testStringA);
+    // test copy constructor and comparison
+    GrBinHashKey<kDataLenUsedForKey> keyA2(keyA);
+    REPORTER_ASSERT(reporter, keyA == keyA2);
+    REPORTER_ASSERT(reporter, keyA.getHash() == keyA2.getHash());
+    // test re-init
+    keyA2.setKeyData(testStringA);
+    REPORTER_ASSERT(reporter, keyA == keyA2);
+    REPORTER_ASSERT(reporter, keyA.getHash() == keyA2.getHash());
+    // test sorting
+    GrBinHashKey<kDataLenUsedForKey> keyB;
+    keyB.setKeyData(testStringB);
+    REPORTER_ASSERT(reporter, keyA < keyB);
+    REPORTER_ASSERT(reporter, keyA.getHash() != keyB.getHash());
+}
+
+#endif