| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "vm/bitmap.h" |
| #include "platform/assert.h" |
| #include "vm/object.h" |
| #include "vm/unit_test.h" |
| |
| namespace dart { |
| |
| ISOLATE_UNIT_TEST_CASE(BitmapBuilder) { |
| // Test basic bit map builder operations. |
| BitmapBuilder* builder1 = new BitmapBuilder(); |
| EXPECT_EQ(0, builder1->Length()); |
| |
| bool value = true; |
| for (int32_t i = 0; i < 128; i++) { |
| builder1->Set(i, value); |
| value = !value; |
| } |
| EXPECT_EQ(128, builder1->Length()); |
| value = true; |
| for (int32_t i = 0; i < 128; i++) { |
| EXPECT_EQ(value, builder1->Get(i)); |
| value = !value; |
| } |
| value = true; |
| for (int32_t i = 0; i < 1024; i++) { |
| builder1->Set(i, value); |
| value = !value; |
| } |
| EXPECT_EQ(1024, builder1->Length()); |
| value = true; |
| for (int32_t i = 0; i < 1024; i++) { |
| EXPECT_EQ(value, builder1->Get(i)); |
| value = !value; |
| } |
| // Create a StackMap object from the builder and verify its contents. |
| const StackMap& stackmap1 = StackMap::Handle(StackMap::New(0, builder1, 0)); |
| EXPECT_EQ(1024, stackmap1.Length()); |
| OS::PrintErr("%s\n", stackmap1.ToCString()); |
| value = true; |
| for (int32_t i = 0; i < 1024; i++) { |
| EXPECT_EQ(value, stackmap1.IsObject(i)); |
| value = !value; |
| } |
| |
| // Test the SetRange function in the builder. |
| builder1->SetRange(0, 256, false); |
| EXPECT_EQ(1024, builder1->Length()); |
| builder1->SetRange(257, 1024, true); |
| EXPECT_EQ(1025, builder1->Length()); |
| builder1->SetRange(1025, 2048, false); |
| EXPECT_EQ(2049, builder1->Length()); |
| for (int32_t i = 0; i <= 256; i++) { |
| EXPECT(!builder1->Get(i)); |
| } |
| for (int32_t i = 257; i <= 1024; i++) { |
| EXPECT(builder1->Get(i)); |
| } |
| for (int32_t i = 1025; i <= 2048; i++) { |
| EXPECT(!builder1->Get(i)); |
| } |
| const StackMap& stackmap2 = StackMap::Handle(StackMap::New(0, builder1, 0)); |
| EXPECT_EQ(2049, stackmap2.Length()); |
| for (int32_t i = 0; i <= 256; i++) { |
| EXPECT(!stackmap2.IsObject(i)); |
| } |
| for (int32_t i = 257; i <= 1024; i++) { |
| EXPECT(stackmap2.IsObject(i)); |
| } |
| for (int32_t i = 1025; i <= 2048; i++) { |
| EXPECT(!stackmap2.IsObject(i)); |
| } |
| |
| // Test using SetLength to shorten the builder, followed by lengthening. |
| builder1->SetLength(747); |
| EXPECT_EQ(747, builder1->Length()); |
| for (int32_t i = 257; i < 747; ++i) { |
| EXPECT(builder1->Get(i)); |
| } |
| |
| builder1->Set(800, false); |
| EXPECT_EQ(801, builder1->Length()); |
| for (int32_t i = 257; i < 747; ++i) { |
| EXPECT(builder1->Get(i)); |
| } |
| for (int32_t i = 747; i < 801; ++i) { |
| EXPECT(!builder1->Get(i)); |
| } |
| |
| builder1->Set(900, true); |
| EXPECT_EQ(901, builder1->Length()); |
| for (int32_t i = 257; i < 747; ++i) { |
| EXPECT(builder1->Get(i)); |
| } |
| for (int32_t i = 747; i < 900; ++i) { |
| EXPECT(!builder1->Get(i)); |
| } |
| EXPECT(builder1->Get(900)); |
| } |
| |
| } // namespace dart |