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-rw-r--r--libs/androidfw/tests/CursorWindow_test.cpp367
1 files changed, 367 insertions, 0 deletions
diff --git a/libs/androidfw/tests/CursorWindow_test.cpp b/libs/androidfw/tests/CursorWindow_test.cpp
new file mode 100644
index 000000000000..15be80c48192
--- /dev/null
+++ b/libs/androidfw/tests/CursorWindow_test.cpp
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+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <utility>
+
+#include "androidfw/CursorWindow.h"
+
+#include "TestHelpers.h"
+
+#define CREATE_WINDOW_1K \
+ CursorWindow* w; \
+ CursorWindow::create(String8("test"), 1 << 10, &w);
+
+#define CREATE_WINDOW_1K_3X3 \
+ CursorWindow* w; \
+ CursorWindow::create(String8("test"), 1 << 10, &w); \
+ ASSERT_EQ(w->setNumColumns(3), OK); \
+ ASSERT_EQ(w->allocRow(), OK); \
+ ASSERT_EQ(w->allocRow(), OK); \
+ ASSERT_EQ(w->allocRow(), OK);
+
+#define CREATE_WINDOW_2M \
+ CursorWindow* w; \
+ CursorWindow::create(String8("test"), 1 << 21, &w);
+
+static constexpr const size_t kHalfInlineSize = 8192;
+static constexpr const size_t kGiantSize = 1048576;
+
+namespace android {
+
+TEST(CursorWindowTest, Empty) {
+ CREATE_WINDOW_1K;
+
+ ASSERT_EQ(w->getNumRows(), 0);
+ ASSERT_EQ(w->getNumColumns(), 0);
+ ASSERT_EQ(w->size(), 1 << 10);
+ ASSERT_EQ(w->freeSpace(), 1 << 10);
+}
+
+TEST(CursorWindowTest, SetNumColumns) {
+ CREATE_WINDOW_1K;
+
+ // Once we've locked in columns, we can't adjust
+ ASSERT_EQ(w->getNumColumns(), 0);
+ ASSERT_EQ(w->setNumColumns(4), OK);
+ ASSERT_NE(w->setNumColumns(5), OK);
+ ASSERT_NE(w->setNumColumns(3), OK);
+ ASSERT_EQ(w->getNumColumns(), 4);
+}
+
+TEST(CursorWindowTest, SetNumColumnsAfterRow) {
+ CREATE_WINDOW_1K;
+
+ // Once we've locked in a row, we can't adjust columns
+ ASSERT_EQ(w->getNumColumns(), 0);
+ ASSERT_EQ(w->allocRow(), OK);
+ ASSERT_NE(w->setNumColumns(4), OK);
+ ASSERT_EQ(w->getNumColumns(), 0);
+}
+
+TEST(CursorWindowTest, AllocRow) {
+ CREATE_WINDOW_1K;
+
+ ASSERT_EQ(w->setNumColumns(4), OK);
+
+ // Rolling forward means we have less free space
+ ASSERT_EQ(w->getNumRows(), 0);
+ auto before = w->freeSpace();
+ ASSERT_EQ(w->allocRow(), OK);
+ ASSERT_LT(w->freeSpace(), before);
+ ASSERT_EQ(w->getNumRows(), 1);
+
+ // Verify we can unwind
+ ASSERT_EQ(w->freeLastRow(), OK);
+ ASSERT_EQ(w->freeSpace(), before);
+ ASSERT_EQ(w->getNumRows(), 0);
+
+ // Can't unwind when no rows left
+ ASSERT_NE(w->freeLastRow(), OK);
+}
+
+TEST(CursorWindowTest, AllocRowBounds) {
+ CREATE_WINDOW_1K;
+
+ // 60 columns is 960 bytes, which means only a single row can fit
+ ASSERT_EQ(w->setNumColumns(60), OK);
+ ASSERT_EQ(w->allocRow(), OK);
+ ASSERT_NE(w->allocRow(), OK);
+}
+
+TEST(CursorWindowTest, StoreNull) {
+ CREATE_WINDOW_1K_3X3;
+
+ ASSERT_EQ(w->putNull(1, 1), OK);
+ ASSERT_EQ(w->putNull(0, 0), OK);
+
+ {
+ auto field = w->getFieldSlot(1, 1);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_NULL);
+ }
+ {
+ auto field = w->getFieldSlot(0, 0);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_NULL);
+ }
+}
+
+TEST(CursorWindowTest, StoreLong) {
+ CREATE_WINDOW_1K_3X3;
+
+ ASSERT_EQ(w->putLong(1, 1, 0xf00d), OK);
+ ASSERT_EQ(w->putLong(0, 0, 0xcafe), OK);
+
+ {
+ auto field = w->getFieldSlot(1, 1);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_INTEGER);
+ ASSERT_EQ(w->getFieldSlotValueLong(field), 0xf00d);
+ }
+ {
+ auto field = w->getFieldSlot(0, 0);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_INTEGER);
+ ASSERT_EQ(w->getFieldSlotValueLong(field), 0xcafe);
+ }
+}
+
+TEST(CursorWindowTest, StoreString) {
+ CREATE_WINDOW_1K_3X3;
+
+ ASSERT_EQ(w->putString(1, 1, "food", 5), OK);
+ ASSERT_EQ(w->putString(0, 0, "cafe", 5), OK);
+
+ size_t size;
+ {
+ auto field = w->getFieldSlot(1, 1);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_STRING);
+ auto actual = w->getFieldSlotValueString(field, &size);
+ ASSERT_EQ(std::string(actual), "food");
+ }
+ {
+ auto field = w->getFieldSlot(0, 0);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_STRING);
+ auto actual = w->getFieldSlotValueString(field, &size);
+ ASSERT_EQ(std::string(actual), "cafe");
+ }
+}
+
+TEST(CursorWindowTest, StoreBounds) {
+ CREATE_WINDOW_1K_3X3;
+
+ // Can't work with values beyond bounds
+ ASSERT_NE(w->putLong(0, 3, 0xcafe), OK);
+ ASSERT_NE(w->putLong(3, 0, 0xcafe), OK);
+ ASSERT_NE(w->putLong(3, 3, 0xcafe), OK);
+ ASSERT_EQ(w->getFieldSlot(0, 3), nullptr);
+ ASSERT_EQ(w->getFieldSlot(3, 0), nullptr);
+ ASSERT_EQ(w->getFieldSlot(3, 3), nullptr);
+
+ // Can't work with invalid indexes
+ ASSERT_NE(w->putLong(-1, 0, 0xcafe), OK);
+ ASSERT_NE(w->putLong(0, -1, 0xcafe), OK);
+ ASSERT_NE(w->putLong(-1, -1, 0xcafe), OK);
+ ASSERT_EQ(w->getFieldSlot(-1, 0), nullptr);
+ ASSERT_EQ(w->getFieldSlot(0, -1), nullptr);
+ ASSERT_EQ(w->getFieldSlot(-1, -1), nullptr);
+}
+
+TEST(CursorWindowTest, Inflate) {
+ CREATE_WINDOW_2M;
+
+ auto before = w->size();
+ ASSERT_EQ(w->setNumColumns(4), OK);
+ ASSERT_EQ(w->allocRow(), OK);
+
+ // Scratch buffer that will fit before inflation
+ void* buf = malloc(kHalfInlineSize);
+
+ // Store simple value
+ ASSERT_EQ(w->putLong(0, 0, 0xcafe), OK);
+
+ // Store first object that fits inside
+ memset(buf, 42, kHalfInlineSize);
+ ASSERT_EQ(w->putBlob(0, 1, buf, kHalfInlineSize), OK);
+ ASSERT_EQ(w->size(), before);
+
+ // Store second simple value
+ ASSERT_EQ(w->putLong(0, 2, 0xface), OK);
+
+ // Store second object that requires inflation
+ memset(buf, 84, kHalfInlineSize);
+ ASSERT_EQ(w->putBlob(0, 3, buf, kHalfInlineSize), OK);
+ ASSERT_GT(w->size(), before);
+
+ // Verify data is intact
+ {
+ auto field = w->getFieldSlot(0, 0);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_INTEGER);
+ ASSERT_EQ(w->getFieldSlotValueLong(field), 0xcafe);
+ }
+ {
+ auto field = w->getFieldSlot(0, 1);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_BLOB);
+ size_t actualSize;
+ auto actual = w->getFieldSlotValueBlob(field, &actualSize);
+ ASSERT_EQ(actualSize, kHalfInlineSize);
+ memset(buf, 42, kHalfInlineSize);
+ ASSERT_NE(actual, buf);
+ ASSERT_EQ(memcmp(buf, actual, kHalfInlineSize), 0);
+ }
+ {
+ auto field = w->getFieldSlot(0, 2);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_INTEGER);
+ ASSERT_EQ(w->getFieldSlotValueLong(field), 0xface);
+ }
+ {
+ auto field = w->getFieldSlot(0, 3);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_BLOB);
+ size_t actualSize;
+ auto actual = w->getFieldSlotValueBlob(field, &actualSize);
+ ASSERT_EQ(actualSize, kHalfInlineSize);
+ memset(buf, 84, kHalfInlineSize);
+ ASSERT_NE(actual, buf);
+ ASSERT_EQ(memcmp(buf, actual, kHalfInlineSize), 0);
+ }
+}
+
+TEST(CursorWindowTest, ParcelEmpty) {
+ CREATE_WINDOW_2M;
+
+ Parcel p;
+ w->writeToParcel(&p);
+ p.setDataPosition(0);
+ w = nullptr;
+
+ ASSERT_EQ(CursorWindow::createFromParcel(&p, &w), OK);
+ ASSERT_EQ(w->getNumRows(), 0);
+ ASSERT_EQ(w->getNumColumns(), 0);
+ ASSERT_EQ(w->size(), 0);
+ ASSERT_EQ(w->freeSpace(), 0);
+
+ // We can't mutate the window after parceling
+ ASSERT_NE(w->setNumColumns(4), OK);
+ ASSERT_NE(w->allocRow(), OK);
+}
+
+TEST(CursorWindowTest, ParcelSmall) {
+ CREATE_WINDOW_2M;
+
+ auto before = w->size();
+ ASSERT_EQ(w->setNumColumns(4), OK);
+ ASSERT_EQ(w->allocRow(), OK);
+
+ // Scratch buffer that will fit before inflation
+ void* buf = malloc(kHalfInlineSize);
+
+ // Store simple value
+ ASSERT_EQ(w->putLong(0, 0, 0xcafe), OK);
+
+ // Store first object that fits inside
+ memset(buf, 42, kHalfInlineSize);
+ ASSERT_EQ(w->putBlob(0, 1, buf, kHalfInlineSize), OK);
+ ASSERT_EQ(w->size(), before);
+
+ // Store second object with zero length
+ ASSERT_EQ(w->putBlob(0, 2, buf, 0), OK);
+ ASSERT_EQ(w->size(), before);
+
+ // Force through a parcel
+ Parcel p;
+ w->writeToParcel(&p);
+ p.setDataPosition(0);
+ w = nullptr;
+
+ ASSERT_EQ(CursorWindow::createFromParcel(&p, &w), OK);
+ ASSERT_EQ(w->getNumRows(), 1);
+ ASSERT_EQ(w->getNumColumns(), 4);
+
+ // Verify data is intact
+ {
+ auto field = w->getFieldSlot(0, 0);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_INTEGER);
+ ASSERT_EQ(w->getFieldSlotValueLong(field), 0xcafe);
+ }
+ {
+ auto field = w->getFieldSlot(0, 1);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_BLOB);
+ size_t actualSize;
+ auto actual = w->getFieldSlotValueBlob(field, &actualSize);
+ ASSERT_EQ(actualSize, kHalfInlineSize);
+ memset(buf, 42, kHalfInlineSize);
+ ASSERT_NE(actual, buf);
+ ASSERT_EQ(memcmp(buf, actual, kHalfInlineSize), 0);
+ }
+ {
+ auto field = w->getFieldSlot(0, 2);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_BLOB);
+ size_t actualSize;
+ auto actual = w->getFieldSlotValueBlob(field, &actualSize);
+ ASSERT_EQ(actualSize, 0);
+ ASSERT_NE(actual, nullptr);
+ }
+}
+
+TEST(CursorWindowTest, ParcelLarge) {
+ CREATE_WINDOW_2M;
+
+ ASSERT_EQ(w->setNumColumns(4), OK);
+ ASSERT_EQ(w->allocRow(), OK);
+
+ // Store simple value
+ ASSERT_EQ(w->putLong(0, 0, 0xcafe), OK);
+
+ // Store object that forces inflation
+ void* buf = malloc(kGiantSize);
+ memset(buf, 42, kGiantSize);
+ ASSERT_EQ(w->putBlob(0, 1, buf, kGiantSize), OK);
+
+ // Store second object with zero length
+ ASSERT_EQ(w->putBlob(0, 2, buf, 0), OK);
+
+ // Force through a parcel
+ Parcel p;
+ w->writeToParcel(&p);
+ p.setDataPosition(0);
+ w = nullptr;
+
+ ASSERT_EQ(CursorWindow::createFromParcel(&p, &w), OK);
+ ASSERT_EQ(w->getNumRows(), 1);
+ ASSERT_EQ(w->getNumColumns(), 4);
+
+ // Verify data is intact
+ {
+ auto field = w->getFieldSlot(0, 0);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_INTEGER);
+ ASSERT_EQ(w->getFieldSlotValueLong(field), 0xcafe);
+ }
+ {
+ auto field = w->getFieldSlot(0, 1);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_BLOB);
+ size_t actualSize;
+ auto actual = w->getFieldSlotValueBlob(field, &actualSize);
+ ASSERT_EQ(actualSize, kGiantSize);
+ memset(buf, 42, kGiantSize);
+ ASSERT_EQ(memcmp(buf, actual, kGiantSize), 0);
+ }
+ {
+ auto field = w->getFieldSlot(0, 2);
+ ASSERT_EQ(w->getFieldSlotType(field), CursorWindow::FIELD_TYPE_BLOB);
+ size_t actualSize;
+ auto actual = w->getFieldSlotValueBlob(field, &actualSize);
+ ASSERT_EQ(actualSize, 0);
+ ASSERT_NE(actual, nullptr);
+ }
+}
+
+} // android
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