105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
#include "Test.h"
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#include "Buffer.h"
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#include "SwapRecorder.h"
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#include <string>
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#include <vector>
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namespace {
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struct SwapEvent {
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enum class Type {
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Insert,
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Delete,
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};
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Type type;
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int row;
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int col;
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std::string bytes;
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std::size_t len = 0;
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};
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class FakeSwapRecorder final : public kte::SwapRecorder {
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public:
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std::vector<SwapEvent> events;
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void OnInsert(int row, int col, std::string_view bytes) override
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{
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SwapEvent e;
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e.type = SwapEvent::Type::Insert;
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e.row = row;
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e.col = col;
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e.bytes = std::string(bytes);
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e.len = 0;
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events.push_back(std::move(e));
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}
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void OnDelete(int row, int col, std::size_t len) override
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{
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SwapEvent e;
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e.type = SwapEvent::Type::Delete;
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e.row = row;
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e.col = col;
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e.len = len;
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events.push_back(std::move(e));
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}
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};
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} // namespace
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TEST(SwapRecorder_InsertABC)
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{
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Buffer b;
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FakeSwapRecorder rec;
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b.SetSwapRecorder(&rec);
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b.insert_text(0, 0, std::string_view("abc"));
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ASSERT_EQ(rec.events.size(), (std::size_t) 1);
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ASSERT_TRUE(rec.events[0].type == SwapEvent::Type::Insert);
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ASSERT_EQ(rec.events[0].row, 0);
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ASSERT_EQ(rec.events[0].col, 0);
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ASSERT_EQ(rec.events[0].bytes, std::string("abc"));
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}
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TEST(SwapRecorder_InsertNewline)
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{
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Buffer b;
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FakeSwapRecorder rec;
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b.SetSwapRecorder(&rec);
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b.split_line(0, 0);
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ASSERT_EQ(rec.events.size(), (std::size_t) 1);
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ASSERT_TRUE(rec.events[0].type == SwapEvent::Type::Insert);
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ASSERT_EQ(rec.events[0].row, 0);
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ASSERT_EQ(rec.events[0].col, 0);
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ASSERT_EQ(rec.events[0].bytes, std::string("\n"));
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}
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TEST(SwapRecorder_DeleteSpanningNewline)
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{
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Buffer b;
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// Prepare content without a recorder (should be no-op)
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b.insert_text(0, 0, std::string_view("ab"));
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b.split_line(0, 2);
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b.insert_text(1, 0, std::string_view("cd"));
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FakeSwapRecorder rec;
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b.SetSwapRecorder(&rec);
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// Delete "b\n c" (3 bytes) starting at row 0, col 1.
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b.delete_text(0, 1, 3);
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ASSERT_EQ(rec.events.size(), (std::size_t) 1);
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ASSERT_TRUE(rec.events[0].type == SwapEvent::Type::Delete);
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ASSERT_EQ(rec.events[0].row, 0);
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ASSERT_EQ(rec.events[0].col, 1);
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ASSERT_EQ(rec.events[0].len, (std::size_t) 3);
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}
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