turnidge@google.com
e61a02c10d
Still need to implement spawnUri, which will be the more difficult one. Review URL: https://chromiumcodereview.appspot.com//9691005 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@5441 260f80e4-7a28-3924-810f-c04153c831b5
130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/assert.h"
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#include "vm/dart.h"
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#include "vm/isolate.h"
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#include "vm/unit_test.h"
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#include "vm/zone.h"
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namespace dart {
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DECLARE_DEBUG_FLAG(bool, trace_zone_sizes);
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UNIT_TEST_CASE(AllocateZone) {
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#if defined(DEBUG)
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FLAG_trace_zone_sizes = true;
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#endif
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Isolate* isolate = Isolate::Init(NULL);
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EXPECT(Isolate::Current() == isolate);
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EXPECT(isolate->current_zone() == NULL);
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{
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Zone zone(isolate);
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EXPECT(isolate->current_zone() != NULL);
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intptr_t allocated_size = 0;
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// The loop is to make sure we overflow one segment and go on
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// to the next segment.
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for (int i = 0; i < 1000; i++) {
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uword first = zone.Allocate(2 * kWordSize);
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uword second = zone.Allocate(3 * kWordSize);
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EXPECT(first != second);
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allocated_size = ((2 + 3) * kWordSize);
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}
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EXPECT_LE(allocated_size, zone.SizeInBytes());
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// Test for allocation of large segments.
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const uword kLargeSize = 1 * MB;
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const uword kSegmentSize = 64 * KB;
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ASSERT(kLargeSize > kSegmentSize);
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for (int i = 0; i < 10; i++) {
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EXPECT(zone.Allocate(kLargeSize) != 0);
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allocated_size += kLargeSize;
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}
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EXPECT_LE(allocated_size, zone.SizeInBytes());
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// Test corner cases of kSegmentSize.
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uint8_t* buffer = NULL;
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buffer = reinterpret_cast<uint8_t*>(
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zone.Allocate(kSegmentSize - kWordSize));
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EXPECT(buffer != NULL);
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buffer[(kSegmentSize - kWordSize) - 1] = 0;
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allocated_size += (kSegmentSize - kWordSize);
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EXPECT_LE(allocated_size, zone.SizeInBytes());
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buffer = reinterpret_cast<uint8_t*>(
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zone.Allocate(kSegmentSize - (2 * kWordSize)));
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EXPECT(buffer != NULL);
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buffer[(kSegmentSize - (2 * kWordSize)) - 1] = 0;
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allocated_size += (kSegmentSize - (2 * kWordSize));
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EXPECT_LE(allocated_size, zone.SizeInBytes());
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buffer = reinterpret_cast<uint8_t*>(
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zone.Allocate(kSegmentSize + kWordSize));
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EXPECT(buffer != NULL);
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buffer[(kSegmentSize + kWordSize) - 1] = 0;
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allocated_size += (kSegmentSize + kWordSize);
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EXPECT_LE(allocated_size, zone.SizeInBytes());
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}
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EXPECT(isolate->current_zone() == NULL);
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isolate->Shutdown();
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delete isolate;
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}
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UNIT_TEST_CASE(ZoneAllocated) {
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#if defined(DEBUG)
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FLAG_trace_zone_sizes = true;
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#endif
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Isolate* isolate = Isolate::Init(NULL);
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EXPECT(Isolate::Current() == isolate);
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EXPECT(isolate->current_zone() == NULL);
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static int marker;
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class SimpleZoneObject : public ZoneAllocated {
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public:
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SimpleZoneObject() : slot(marker++) { }
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virtual int GetSlot() { return slot; }
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int slot;
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};
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// Reset the marker.
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marker = 0;
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// Create a few zone allocated objects.
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{
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Zone zone(isolate);
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EXPECT_EQ(0, zone.SizeInBytes());
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SimpleZoneObject* first = new SimpleZoneObject();
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EXPECT(first != NULL);
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SimpleZoneObject* second = new SimpleZoneObject();
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EXPECT(second != NULL);
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EXPECT(first != second);
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intptr_t expected_size = (2 * sizeof(SimpleZoneObject));
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EXPECT_LE(expected_size, zone.SizeInBytes());
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// Make sure the constructors were invoked.
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EXPECT_EQ(0, first->slot);
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EXPECT_EQ(1, second->slot);
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// Make sure we can write to the members of the zone objects.
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first->slot = 42;
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second->slot = 87;
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EXPECT_EQ(42, first->slot);
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EXPECT_EQ(87, second->slot);
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}
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EXPECT(isolate->current_zone() == NULL);
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isolate->Shutdown();
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delete isolate;
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}
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TEST_CASE(PrintToString) {
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Zone zone(Isolate::Current());
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const char* result = zone.PrintToString("Hello %s!", "World");
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EXPECT_STREQ("Hello World!", result);
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}
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} // namespace dart
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