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930d4342cd
Otherwise, hits assertion, or crashes in no-assertion build. Added 'EditableTextBuffer::getSize()' for getting size after previous updates without actually applying them. rdar://problem/34206143
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "SourceKit/Support/ImmutableTextBuffer.h"
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#include "gtest/gtest.h"
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using namespace SourceKit;
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using namespace llvm;
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TEST(EditableTextBuffer, Updates) {
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const char *Text = "hello world";
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size_t Length = strlen(Text);
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EditableTextBufferManager BufMgr;
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EditableTextBufferRef EdBuf = BufMgr.getOrCreateBuffer("/a/test", Text);
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ImmutableTextBufferRef Buf = EdBuf->getBuffer();
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EXPECT_EQ(Buf->getText(), Text);
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EXPECT_EQ(EdBuf->getSize(), Length);
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Buf = EdBuf->insert(6, "all ")->getBuffer();
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EXPECT_EQ(Buf->getText(), "hello all world");
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EXPECT_EQ(EdBuf->getSize(), strlen("hello all world"));
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Buf = EdBuf->erase(9, 6)->getBuffer();
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EXPECT_EQ(Buf->getText(), "hello all");
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EXPECT_EQ(EdBuf->getSize(), strlen("hello all"));
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Buf = EdBuf->replace(0, 5, "yo")->getBuffer();
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EXPECT_EQ(Buf->getText(), "yo all");
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EXPECT_EQ(EdBuf->getSize(), strlen("yo all"));
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EdBuf = BufMgr.resetBuffer("/a/test", Text);
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EdBuf->insert(6, "all ");
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EdBuf->erase(9, 6);
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EdBuf->replace(0, 5, "yo");
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EXPECT_EQ(EdBuf->getSize(), strlen("yo all"));
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Buf = EdBuf->getSnapshot()->getBuffer();
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EXPECT_EQ(Buf->getText(), "yo all");
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EXPECT_EQ(Buf->getFilename(), "/a/test");
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}
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