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Unified Diff: test/unittests/heap/marking-unittest.cc

Issue 2160613002: [heap] Remove black pages and use black areas instead. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: disable black allocation Created 4 years, 5 months ago
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Index: test/unittests/heap/marking-unittest.cc
diff --git a/test/unittests/heap/marking-unittest.cc b/test/unittests/heap/marking-unittest.cc
index 5be909a1a400a7f7babe9d30cf749df4b78cb5f3..0d90019d5cb93fba4629d99ba93f1d90d47be8c5 100644
--- a/test/unittests/heap/marking-unittest.cc
+++ b/test/unittests/heap/marking-unittest.cc
@@ -110,5 +110,37 @@ TEST(Marking, TransitionWhiteGreyBlackGrey) {
free(bitmap);
}
+TEST(Marking, SetAndClearRange) {
+ Bitmap* bitmap = reinterpret_cast<Bitmap*>(
+ calloc(Bitmap::kSize / kPointerSize, kPointerSize));
+ for (int i = 0; i < 3; i++) {
+ bitmap->SetRange(i, Bitmap::kBitsPerCell + i);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[0], 0xffffffff << i);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[1], (1 << i) - 1);
+ bitmap->ClearRange(i, Bitmap::kBitsPerCell + i);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[0], 0x0);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[1], 0x0);
+ }
+ free(bitmap);
+}
+
+TEST(Marking, ClearMultipleRanges) {
+ Bitmap* bitmap = reinterpret_cast<Bitmap*>(
+ calloc(Bitmap::kSize / kPointerSize, kPointerSize));
+ bitmap->SetRange(0, Bitmap::kBitsPerCell * 3);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[0], 0xffffffff);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[1], 0xffffffff);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[2], 0xffffffff);
+ bitmap->ClearRange(Bitmap::kBitsPerCell / 2, Bitmap::kBitsPerCell);
+ bitmap->ClearRange(Bitmap::kBitsPerCell,
+ Bitmap::kBitsPerCell + Bitmap::kBitsPerCell / 2);
+ bitmap->ClearRange(Bitmap::kBitsPerCell * 2 + 8,
+ Bitmap::kBitsPerCell * 2 + 16);
+ bitmap->ClearRange(Bitmap::kBitsPerCell * 2 + 24, Bitmap::kBitsPerCell * 3);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[0], 0xffff);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[1], 0xffff0000);
+ CHECK_EQ(reinterpret_cast<uint32_t*>(bitmap)[2], 0xff00ff);
+ free(bitmap);
+}
} // namespace internal
} // namespace v8
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