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authorTobias Markmann <tm@ayena.de>2018-03-20 13:12:10 (GMT)
committerTobias Markmann <tm@ayena.de>2018-03-20 14:48:04 (GMT)
commitf2c2c7d035029fb9615b42c18ccea83e8e705b10 (patch)
tree2f56fb77de0f366528395f21732d418f016f63b5 /3rdParty/Breakpad/src/common/windows/omap_unittest.cc
parent44581c5285d13c0ec715b35ddc79177e5ebeef39 (diff)
parent5ba3f18ad8efa040d49f36d83ec2e7891a9add9f (diff)
downloadswift-1e10c17b3585afb3a4bb0e849263dd463816d2c0.zip
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Merge branch 'swift-4.x'swift-5.0alpha2
* swift-4.x: (44 commits) Test-Information: Builds on macOS 10.13.3 with clang trunk. Change-Id: If50381f103b0ad18d038b920d3d43537642141cb
Diffstat (limited to '3rdParty/Breakpad/src/common/windows/omap_unittest.cc')
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+// Copyright 2013 Google Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Unittests for OMAP related functions.
+
+#include "common/windows/omap.h"
+
+#include "breakpad_googletest_includes.h"
+
+namespace google_breakpad {
+
+// Equality operators for ContainerEq. These must be outside of the anonymous
+// namespace in order for them to be found.
+bool operator==(const MappedRange& mr1, const MappedRange& mr2) {
+ return mr1.rva_original == mr2.rva_original &&
+ mr1.rva_transformed == mr2.rva_transformed &&
+ mr1.length == mr2.length &&
+ mr1.injected == mr2.injected &&
+ mr1.removed == mr2.removed;
+}
+bool operator==(const EndpointIndex& ei1, const EndpointIndex& ei2) {
+ return ei1.endpoint == ei2.endpoint && ei1.index == ei2.index;
+}
+
+// Pretty printers for more meaningful error messages. Also need to be outside
+// the anonymous namespace.
+std::ostream& operator<<(std::ostream& os, const MappedRange& mr) {
+ os << "MappedRange(rva_original=" << mr.rva_original
+ << ", rva_transformed=" << mr.rva_transformed
+ << ", length=" << mr.length
+ << ", injected=" << mr.injected
+ << ", removed=" << mr.removed << ")";
+ return os;
+}
+std::ostream& operator<<(std::ostream& os, const EndpointIndex& ei) {
+ os << "EndpointIndex(endpoint=" << ei.endpoint
+ << ", index=" << ei.index << ")";
+ return os;
+}
+std::ostream& operator<<(std::ostream& os, const AddressRange& ar) {
+ os << "AddressRange(rva=" << ar.rva << ", length=" << ar.length << ")";
+ return os;
+}
+
+namespace {
+
+OMAP CreateOmap(DWORD rva, DWORD rvaTo) {
+ OMAP o = { rva, rvaTo };
+ return o;
+}
+
+MappedRange CreateMappedRange(DWORD rva_original,
+ DWORD rva_transformed,
+ DWORD length,
+ DWORD injected,
+ DWORD removed) {
+ MappedRange mr = { rva_original, rva_transformed, length, injected, removed };
+ return mr;
+}
+
+EndpointIndex CreateEndpointIndex(DWORD endpoint, size_t index) {
+ EndpointIndex ei = { endpoint, index };
+ return ei;
+}
+
+// (C is removed)
+// Original : A B C D E F G H
+// Transformed: A B D F E * H1 G1 G2 H2
+// (* is injected, G is copied, H is split)
+// A is implied.
+
+// Layout of the original image.
+const AddressRange B(100, 15);
+const AddressRange C(B.end(), 10);
+const AddressRange D(C.end(), 25);
+const AddressRange E(D.end(), 10);
+const AddressRange F(E.end(), 40);
+const AddressRange G(F.end(), 3);
+const AddressRange H(G.end(), 7);
+
+// Layout of the transformed image.
+const AddressRange Bt(100, 15);
+const AddressRange Dt(Bt.end(), 20); // D is shortened.
+const AddressRange Ft(Dt.end(), F.length);
+const AddressRange Et(Ft.end(), E.length);
+const AddressRange injected(Et.end(), 5);
+const AddressRange H1t(injected.end(), 4); // H is split.
+const AddressRange G1t(H1t.end(), G.length); // G is copied.
+const AddressRange G2t(G1t.end(), G.length); // G is copied.
+const AddressRange H2t(G2t.end(), 3); // H is split.
+
+class BuildImageMapTest : public testing::Test {
+ public:
+ static const DWORD kInvalidAddress = 0xFFFFFFFF;
+
+ void InitOmapData() {
+ omap_data.length_original = H.end();
+
+ // Build the OMAPTO vector (from transformed to original).
+ omap_data.omap_to.push_back(CreateOmap(Bt.rva, B.rva));
+ omap_data.omap_to.push_back(CreateOmap(Dt.rva, D.rva));
+ omap_data.omap_to.push_back(CreateOmap(Ft.rva, F.rva));
+ omap_data.omap_to.push_back(CreateOmap(Et.rva, E.rva));
+ omap_data.omap_to.push_back(CreateOmap(injected.rva, kInvalidAddress));
+ omap_data.omap_to.push_back(CreateOmap(H1t.rva, H.rva));
+ omap_data.omap_to.push_back(CreateOmap(G1t.rva, G.rva));
+ omap_data.omap_to.push_back(CreateOmap(G2t.rva, G.rva));
+ omap_data.omap_to.push_back(CreateOmap(H2t.rva, H.rva + H1t.length));
+ omap_data.omap_to.push_back(CreateOmap(H2t.end(), kInvalidAddress));
+
+ // Build the OMAPFROM vector (from original to transformed).
+ omap_data.omap_from.push_back(CreateOmap(B.rva, Bt.rva));
+ omap_data.omap_from.push_back(CreateOmap(C.rva, kInvalidAddress));
+ omap_data.omap_from.push_back(CreateOmap(D.rva, Dt.rva));
+ omap_data.omap_from.push_back(CreateOmap(E.rva, Et.rva));
+ omap_data.omap_from.push_back(CreateOmap(F.rva, Ft.rva));
+ omap_data.omap_from.push_back(CreateOmap(G.rva, G1t.rva));
+ omap_data.omap_from.push_back(CreateOmap(H.rva, H1t.rva));
+ omap_data.omap_from.push_back(CreateOmap(H.rva + H1t.length, H2t.rva));
+ omap_data.omap_from.push_back(CreateOmap(H.end(), kInvalidAddress));
+ }
+
+ OmapData omap_data;
+};
+
+} // namespace
+
+TEST_F(BuildImageMapTest, EmptyImageMapOnEmptyOmapData) {
+ ASSERT_EQ(0u, omap_data.omap_from.size());
+ ASSERT_EQ(0u, omap_data.omap_to.size());
+ ASSERT_EQ(0u, omap_data.length_original);
+
+ ImageMap image_map;
+ BuildImageMap(omap_data, &image_map);
+ EXPECT_EQ(0u, image_map.mapping.size());
+ EXPECT_EQ(0u, image_map.endpoint_index_map.size());
+}
+
+TEST_F(BuildImageMapTest, ImageMapIsCorrect) {
+ InitOmapData();
+ ASSERT_LE(0u, omap_data.omap_from.size());
+ ASSERT_LE(0u, omap_data.omap_to.size());
+ ASSERT_LE(0u, omap_data.length_original);
+
+ ImageMap image_map;
+ BuildImageMap(omap_data, &image_map);
+ EXPECT_LE(9u, image_map.mapping.size());
+ EXPECT_LE(9u, image_map.endpoint_index_map.size());
+
+ Mapping mapping;
+ mapping.push_back(CreateMappedRange(0, 0, B.rva, 0, 0));
+ // C is removed, and it originally comes immediately after B.
+ mapping.push_back(CreateMappedRange(B.rva, Bt.rva, B.length, 0, C.length));
+ // D is shortened by a length of 5.
+ mapping.push_back(CreateMappedRange(D.rva, Dt.rva, Dt.length, 0, 5));
+ // The injected content comes immediately after E in the transformed image.
+ mapping.push_back(CreateMappedRange(E.rva, Et.rva, E.length, injected.length,
+ 0));
+ mapping.push_back(CreateMappedRange(F.rva, Ft.rva, F.length, 0, 0));
+ // G is copied so creates two entries.
+ mapping.push_back(CreateMappedRange(G.rva, G1t.rva, G.length, 0, 0));
+ mapping.push_back(CreateMappedRange(G.rva, G2t.rva, G.length, 0, 0));
+ // H is split, so create two entries.
+ mapping.push_back(CreateMappedRange(H.rva, H1t.rva, H1t.length, 0, 0));
+ mapping.push_back(CreateMappedRange(H.rva + H1t.length, H2t.rva, H2t.length,
+ 0, 0));
+ EXPECT_THAT(mapping,
+ testing::ContainerEq(image_map.mapping));
+
+ EndpointIndexMap endpoint_index_map;
+ endpoint_index_map.push_back(CreateEndpointIndex(0, 0));
+ endpoint_index_map.push_back(CreateEndpointIndex(B.rva, 1));
+ endpoint_index_map.push_back(CreateEndpointIndex(D.rva, 2));
+ endpoint_index_map.push_back(CreateEndpointIndex(E.rva, 3));
+ endpoint_index_map.push_back(CreateEndpointIndex(F.rva, 4));
+ // G is duplicated so 2 ranges map back to it, hence the skip from 5 to 7.
+ endpoint_index_map.push_back(CreateEndpointIndex(G.rva, 5));
+ // H is split so we expect 2 endpoints to show up attributed to it.
+ endpoint_index_map.push_back(CreateEndpointIndex(H.rva, 7));
+ endpoint_index_map.push_back(CreateEndpointIndex(H.rva + H1t.length, 8));
+ endpoint_index_map.push_back(CreateEndpointIndex(H.end(), 9));
+ EXPECT_THAT(endpoint_index_map,
+ testing::ContainerEq(image_map.endpoint_index_map));
+}
+
+namespace {
+
+class MapAddressRangeTest : public BuildImageMapTest {
+ public:
+ typedef BuildImageMapTest Super;
+ virtual void SetUp() {
+ Super::SetUp();
+ InitOmapData();
+ BuildImageMap(omap_data, &image_map);
+ }
+
+ ImageMap image_map;
+
+ private:
+ using BuildImageMapTest::InitOmapData;
+ using BuildImageMapTest::omap_data;
+};
+
+} // namespace
+
+TEST_F(MapAddressRangeTest, EmptyImageMapReturnsIdentity) {
+ ImageMap im;
+ AddressRangeVector mapped_ranges;
+ AddressRange ar(0, 1024);
+ MapAddressRange(im, ar, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+ EXPECT_EQ(ar, mapped_ranges[0]);
+}
+
+TEST_F(MapAddressRangeTest, MapOutOfImage) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, AddressRange(H.end() + 10, 10), &mapped_ranges);
+ EXPECT_EQ(0u, mapped_ranges.size());
+}
+
+TEST_F(MapAddressRangeTest, MapIdentity) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, B, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(B));
+}
+
+TEST_F(MapAddressRangeTest, MapReorderedContiguous) {
+ AddressRangeVector mapped_ranges;
+
+ AddressRange DEF(D.rva, F.end() - D.rva);
+ MapAddressRange(image_map, DEF, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+
+ AddressRange DFEt(Dt.rva, Et.end() - Dt.rva);
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(DFEt));
+}
+
+TEST_F(MapAddressRangeTest, MapEmptySingle) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, AddressRange(D.rva, 0), &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(AddressRange(Dt.rva, 0)));
+}
+
+TEST_F(MapAddressRangeTest, MapEmptyCopied) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, AddressRange(G.rva, 0), &mapped_ranges);
+ EXPECT_EQ(2u, mapped_ranges.size());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(AddressRange(G1t.rva, 0),
+ AddressRange(G2t.rva, 0)));
+}
+
+TEST_F(MapAddressRangeTest, MapCopiedContiguous) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, G, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(
+ AddressRange(G1t.rva, G2t.end() - G1t.rva)));
+}
+
+TEST_F(MapAddressRangeTest, MapSplitDiscontiguous) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, H, &mapped_ranges);
+ EXPECT_EQ(2u, mapped_ranges.size());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(H1t, H2t));
+}
+
+TEST_F(MapAddressRangeTest, MapInjected) {
+ AddressRangeVector mapped_ranges;
+
+ AddressRange EFGH(E.rva, H.end() - E.rva);
+ MapAddressRange(image_map, EFGH, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+
+ AddressRange FEHGGHt(Ft.rva, H2t.end() - Ft.rva);
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(FEHGGHt));
+}
+
+TEST_F(MapAddressRangeTest, MapRemovedEntirely) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, C, &mapped_ranges);
+ EXPECT_EQ(0u, mapped_ranges.size());
+}
+
+TEST_F(MapAddressRangeTest, MapRemovedPartly) {
+ AddressRangeVector mapped_ranges;
+ MapAddressRange(image_map, D, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(Dt));
+}
+
+TEST_F(MapAddressRangeTest, MapFull) {
+ AddressRangeVector mapped_ranges;
+
+ AddressRange AH(0, H.end());
+ MapAddressRange(image_map, AH, &mapped_ranges);
+ EXPECT_EQ(1u, mapped_ranges.size());
+
+ AddressRange AHt(0, H2t.end());
+ EXPECT_THAT(mapped_ranges, testing::ElementsAre(AHt));
+}
+
+} // namespace google_breakpad