--- a/hotspot/src/share/vm/gc/g1/g1BiasedArray.cpp Tue Oct 18 17:21:55 2016 +0000
+++ b/hotspot/src/share/vm/gc/g1/g1BiasedArray.cpp Tue Oct 18 18:59:01 2016 +0000
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -53,99 +53,4 @@
biased_index, bias(), length());
}
-class TestMappedArray : public G1BiasedMappedArray<int> {
-protected:
- virtual int default_value() const { return 0xBAADBABE; }
-public:
- static void test_biasedarray() {
- const size_t REGION_SIZE_IN_WORDS = 512;
- const size_t NUM_REGIONS = 20;
- HeapWord* fake_heap = (HeapWord*)LP64_ONLY(0xBAAA00000) NOT_LP64(0xBA000000); // Any value that is non-zero
-
- TestMappedArray array;
- array.initialize(fake_heap, fake_heap + REGION_SIZE_IN_WORDS * NUM_REGIONS,
- REGION_SIZE_IN_WORDS * HeapWordSize);
- // Check address calculation (bounds)
- assert(array.bottom_address_mapped() == fake_heap,
- "bottom mapped address should be " PTR_FORMAT ", but is " PTR_FORMAT, p2i(fake_heap), p2i(array.bottom_address_mapped()));
- assert(array.end_address_mapped() == (fake_heap + REGION_SIZE_IN_WORDS * NUM_REGIONS), "must be");
-
- int* bottom = array.address_mapped_to(fake_heap);
- assert((void*)bottom == (void*) array.base(), "must be");
- int* end = array.address_mapped_to(fake_heap + REGION_SIZE_IN_WORDS * NUM_REGIONS);
- assert((void*)end == (void*)(array.base() + array.length()), "must be");
- // The entire array should contain default value elements
- for (int* current = bottom; current < end; current++) {
- assert(*current == array.default_value(), "must be");
- }
-
- // Test setting values in the table
-
- HeapWord* region_start_address = fake_heap + REGION_SIZE_IN_WORDS * (NUM_REGIONS / 2);
- HeapWord* region_end_address = fake_heap + (REGION_SIZE_IN_WORDS * (NUM_REGIONS / 2) + REGION_SIZE_IN_WORDS - 1);
-
- // Set/get by address tests: invert some value; first retrieve one
- int actual_value = array.get_by_index(NUM_REGIONS / 2);
- array.set_by_index(NUM_REGIONS / 2, ~actual_value);
- // Get the same value by address, should correspond to the start of the "region"
- int value = array.get_by_address(region_start_address);
- assert(value == ~actual_value, "must be");
- // Get the same value by address, at one HeapWord before the start
- value = array.get_by_address(region_start_address - 1);
- assert(value == array.default_value(), "must be");
- // Get the same value by address, at the end of the "region"
- value = array.get_by_address(region_end_address);
- assert(value == ~actual_value, "must be");
- // Make sure the next value maps to another index
- value = array.get_by_address(region_end_address + 1);
- assert(value == array.default_value(), "must be");
-
- // Reset the value in the array
- array.set_by_address(region_start_address + (region_end_address - region_start_address) / 2, actual_value);
-
- // The entire array should have the default value again
- for (int* current = bottom; current < end; current++) {
- assert(*current == array.default_value(), "must be");
- }
-
- // Set/get by index tests: invert some value
- idx_t index = NUM_REGIONS / 2;
- actual_value = array.get_by_index(index);
- array.set_by_index(index, ~actual_value);
-
- value = array.get_by_index(index);
- assert(value == ~actual_value, "must be");
-
- value = array.get_by_index(index - 1);
- assert(value == array.default_value(), "must be");
-
- value = array.get_by_index(index + 1);
- assert(value == array.default_value(), "must be");
-
- array.set_by_index(0, 0);
- value = array.get_by_index(0);
- assert(value == 0, "must be");
-
- array.set_by_index(array.length() - 1, 0);
- value = array.get_by_index(array.length() - 1);
- assert(value == 0, "must be");
-
- array.set_by_index(index, 0);
-
- // The array should have three zeros, and default values otherwise
- size_t num_zeros = 0;
- for (int* current = bottom; current < end; current++) {
- assert(*current == array.default_value() || *current == 0, "must be");
- if (*current == 0) {
- num_zeros++;
- }
- }
- assert(num_zeros == 3, "must be");
- }
-};
-
-void TestG1BiasedArray_test() {
- TestMappedArray::test_biasedarray();
-}
-
#endif
--- a/hotspot/src/share/vm/utilities/internalVMTests.cpp Tue Oct 18 17:21:55 2016 +0000
+++ b/hotspot/src/share/vm/utilities/internalVMTests.cpp Tue Oct 18 18:59:01 2016 +0000
@@ -64,7 +64,6 @@
run_unit_test(VMStructs_test);
#endif
#if INCLUDE_ALL_GCS
- run_unit_test(TestG1BiasedArray_test);
run_unit_test(TestBufferingOopClosure_test);
if (UseG1GC) {
run_unit_test(FreeRegionList_test);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/native/gc/g1/test_g1BiasedArray.cpp Tue Oct 18 18:59:01 2016 +0000
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "precompiled.hpp"
+#include "gc/g1/g1BiasedArray.hpp"
+#include "unittest.hpp"
+
+class TestMappedArray : public G1BiasedMappedArray<int> {
+public:
+ virtual int default_value() const {
+ return 0xBAADBABE;
+ }
+ int* my_address_mapped_to(HeapWord* address) {
+ return address_mapped_to(address);
+ }
+};
+
+TEST_VM(G1BiasedArray, simple) {
+ const size_t REGION_SIZE_IN_WORDS = 512;
+ const size_t NUM_REGIONS = 20;
+ // Any value that is non-zero
+ HeapWord* fake_heap =
+ (HeapWord*) LP64_ONLY(0xBAAA00000) NOT_LP64(0xBA000000);
+
+ TestMappedArray array;
+ array.initialize(fake_heap, fake_heap + REGION_SIZE_IN_WORDS * NUM_REGIONS,
+ REGION_SIZE_IN_WORDS * HeapWordSize);
+ const int DEFAULT_VALUE = array.default_value();
+
+ // Check address calculation (bounds)
+ ASSERT_EQ(fake_heap, array.bottom_address_mapped())
+ << "bottom mapped address should be "
+ << p2i(array.bottom_address_mapped())
+ << ", but is "
+ << p2i(fake_heap);
+ ASSERT_EQ(fake_heap + REGION_SIZE_IN_WORDS * NUM_REGIONS,
+ array.end_address_mapped());
+
+ int* bottom = array.my_address_mapped_to(fake_heap);
+ ASSERT_EQ((void*) bottom, (void*) array.base());
+ int* end = array.my_address_mapped_to(fake_heap +
+ REGION_SIZE_IN_WORDS * NUM_REGIONS);
+ ASSERT_EQ((void*) end, (void*) (array.base() + array.length()));
+ // The entire array should contain default value elements
+ for (int* current = bottom; current < end; current++) {
+ ASSERT_EQ(DEFAULT_VALUE, *current);
+ }
+
+ // Test setting values in the table
+ HeapWord* region_start_address =
+ fake_heap + REGION_SIZE_IN_WORDS * (NUM_REGIONS / 2);
+ HeapWord* region_end_address =
+ fake_heap + (REGION_SIZE_IN_WORDS * (NUM_REGIONS / 2) +
+ REGION_SIZE_IN_WORDS - 1);
+
+ // Set/get by address tests: invert some value; first retrieve one
+ int actual_value = array.get_by_index(NUM_REGIONS / 2);
+ array.set_by_index(NUM_REGIONS / 2, ~actual_value);
+ // Get the same value by address, should correspond to the start of the "region"
+ int value = array.get_by_address(region_start_address);
+ ASSERT_EQ(value, ~actual_value);
+ // Get the same value by address, at one HeapWord before the start
+ value = array.get_by_address(region_start_address - 1);
+ ASSERT_EQ(DEFAULT_VALUE, value);
+ // Get the same value by address, at the end of the "region"
+ value = array.get_by_address(region_end_address);
+ ASSERT_EQ(value, ~actual_value);
+ // Make sure the next value maps to another index
+ value = array.get_by_address(region_end_address + 1);
+ ASSERT_EQ(DEFAULT_VALUE, value);
+
+ // Reset the value in the array
+ array.set_by_address(region_start_address +
+ (region_end_address - region_start_address) / 2,
+ actual_value);
+
+ // The entire array should have the default value again
+ for (int* current = bottom; current < end; current++) {
+ ASSERT_EQ(DEFAULT_VALUE, *current);
+ }
+
+ // Set/get by index tests: invert some value
+ size_t index = NUM_REGIONS / 2;
+ actual_value = array.get_by_index(index);
+ array.set_by_index(index, ~actual_value);
+
+ value = array.get_by_index(index);
+ ASSERT_EQ(~actual_value, value);
+
+ value = array.get_by_index(index - 1);
+ ASSERT_EQ(DEFAULT_VALUE, value);
+
+ value = array.get_by_index(index + 1);
+ ASSERT_EQ(DEFAULT_VALUE, value);
+
+ array.set_by_index(0, 0);
+ value = array.get_by_index(0);
+ ASSERT_EQ(0, value);
+
+ array.set_by_index(array.length() - 1, 0);
+ value = array.get_by_index(array.length() - 1);
+ ASSERT_EQ(0, value);
+
+ array.set_by_index(index, 0);
+
+ // The array should have three zeros, and default values otherwise
+ size_t num_zeros = 0;
+ for (int* current = bottom; current < end; current++) {
+ ASSERT_TRUE(*current == DEFAULT_VALUE || *current == 0);
+ if (*current == 0) {
+ num_zeros++;
+ }
+ }
+ ASSERT_EQ((size_t) 3, num_zeros);
+}
+