e68258bd15
Normally the parser just uses AstConsStrings to concatenate, but some types require an AstRawString. This patch adds an AstValueFactory method which produces one from two AstRawStrings. Review-Url: https://codereview.chromium.org/2348783002 Cr-Commit-Position: refs/heads/master@{#39482}
101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include "src/v8.h"
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#include "src/ast/ast.h"
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#include "test/cctest/cctest.h"
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using namespace v8::internal;
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TEST(List) {
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List<AstNode*>* list = new List<AstNode*>(0);
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CHECK_EQ(0, list->length());
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v8::base::AccountingAllocator allocator;
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Zone zone(&allocator);
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AstValueFactory value_factory(&zone, 0);
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AstNodeFactory factory(&value_factory);
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AstNode* node = factory.NewEmptyStatement(kNoSourcePosition);
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list->Add(node);
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CHECK_EQ(1, list->length());
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CHECK_EQ(node, list->at(0));
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CHECK_EQ(node, list->last());
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const int kElements = 100;
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for (int i = 0; i < kElements; i++) {
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list->Add(node);
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}
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CHECK_EQ(1 + kElements, list->length());
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list->Clear();
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CHECK_EQ(0, list->length());
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delete list;
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}
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TEST(ConcatStrings) {
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v8::base::AccountingAllocator allocator;
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Zone zone(&allocator);
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AstValueFactory value_factory(&zone, 0);
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const AstRawString* one_byte = value_factory.GetOneByteString("a");
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uint16_t two_byte_buffer[] = {
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0x3b1,
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};
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const AstRawString* two_byte = value_factory.GetTwoByteString(
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Vector<const uint16_t>(two_byte_buffer, 1));
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const AstRawString* expectation = value_factory.GetOneByteString("aa");
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const AstRawString* result = value_factory.ConcatStrings(one_byte, one_byte);
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CHECK(result->is_one_byte());
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CHECK_EQ(expectation, result);
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uint16_t expectation_buffer_one_two[] = {'a', 0x3b1};
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expectation = value_factory.GetTwoByteString(
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Vector<const uint16_t>(expectation_buffer_one_two, 2));
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result = value_factory.ConcatStrings(one_byte, two_byte);
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CHECK(!result->is_one_byte());
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CHECK_EQ(expectation, result);
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uint16_t expectation_buffer_two_one[] = {0x3b1, 'a'};
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expectation = value_factory.GetTwoByteString(
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Vector<const uint16_t>(expectation_buffer_two_one, 2));
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result = value_factory.ConcatStrings(two_byte, one_byte);
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CHECK(!result->is_one_byte());
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CHECK_EQ(expectation, result);
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uint16_t expectation_buffer_two_two[] = {0x3b1, 0x3b1};
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expectation = value_factory.GetTwoByteString(
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Vector<const uint16_t>(expectation_buffer_two_two, 2));
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result = value_factory.ConcatStrings(two_byte, two_byte);
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CHECK(!result->is_one_byte());
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CHECK_EQ(expectation, result);
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}
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