forked from OSchip/llvm-project
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//===-- DataExtractorTest.cpp -----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "lldb/Utility/DataExtractor.h"
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using namespace lldb_private;
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TEST(DataExtractorTest, GetBitfield) {
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uint8_t buffer[] = {0x01, 0x23, 0x45, 0x67};
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DataExtractor LE(buffer, sizeof(buffer), lldb::eByteOrderLittle,
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sizeof(void *));
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DataExtractor BE(buffer, sizeof(buffer), lldb::eByteOrderBig, sizeof(void *));
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lldb::offset_t offset;
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offset = 0;
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ASSERT_EQ(buffer[1], LE.GetMaxU64Bitfield(&offset, sizeof(buffer), 8, 8));
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offset = 0;
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ASSERT_EQ(buffer[1], BE.GetMaxU64Bitfield(&offset, sizeof(buffer), 8, 8));
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offset = 0;
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ASSERT_EQ(int8_t(buffer[1]),
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LE.GetMaxS64Bitfield(&offset, sizeof(buffer), 8, 8));
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offset = 0;
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ASSERT_EQ(int8_t(buffer[1]),
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BE.GetMaxS64Bitfield(&offset, sizeof(buffer), 8, 8));
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}
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TEST(DataExtractorTest, PeekData) {
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uint8_t buffer[] = {0x01, 0x02, 0x03, 0x04};
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DataExtractor E(buffer, sizeof buffer, lldb::eByteOrderLittle, 4);
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EXPECT_EQ(buffer + 0, E.PeekData(0, 0));
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EXPECT_EQ(buffer + 0, E.PeekData(0, 4));
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EXPECT_EQ(nullptr, E.PeekData(0, 5));
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EXPECT_EQ(buffer + 2, E.PeekData(2, 0));
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EXPECT_EQ(buffer + 2, E.PeekData(2, 2));
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EXPECT_EQ(nullptr, E.PeekData(2, 3));
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EXPECT_EQ(buffer + 4, E.PeekData(4, 0));
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EXPECT_EQ(nullptr, E.PeekData(4, 1));
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}
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