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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/platform/inspect/ax_inspect_test_helper.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::ElementsAre;
namespace ui {
TEST(AXInspectTestHelperTest, TestDiffLines) {
// Files with the same lines should have an empty diff.
EXPECT_THAT(AXInspectTestHelper::DiffLines({"broccoli", "turnip"},
{"broccoli", "turnip"}),
ElementsAre());
// Empty files should have an empty diff.
EXPECT_THAT(AXInspectTestHelper::DiffLines({}, {}), ElementsAre());
// If one line differs, that line number should be returned as the diff.
EXPECT_THAT(AXInspectTestHelper::DiffLines({"broccoli", "turnip"},
{"watermelon", "turnip"}),
ElementsAre(0));
EXPECT_THAT(AXInspectTestHelper::DiffLines({"broccoli", "turnip"},
{"broccoli", "rutabaga"}),
ElementsAre(1));
// Multiple lines can differ.
EXPECT_THAT(AXInspectTestHelper::DiffLines(
{"broccoli", "turnip", "carrot", "squash"},
{"broccoli", "aspartame", "carrot", "toothbrush"}),
ElementsAre(1, 3));
// Blank lines in the expected file are allowed.
EXPECT_THAT(AXInspectTestHelper::DiffLines(
{"", "broccoli", "turnip", "carrot", "", "squash"},
{"broccoli", "turnip", "carrot", "squash"}),
ElementsAre());
// Comments in the expected file are allowed.
EXPECT_THAT(
AXInspectTestHelper::DiffLines(
{"#Vegetables:", "broccoli", "turnip", "carrot", "", "squash"},
{"broccoli", "turnip", "carrot", "squash"}),
ElementsAre());
// Comments or blank lines in the actual file are NOT allowed, that's a diff.
EXPECT_THAT(
AXInspectTestHelper::DiffLines(
{"broccoli", "turnip", "carrot", "squash"},
{"#vegetables", "broccoli", "turnip", "carrot", "", "squash"}),
ElementsAre(0, 1, 2, 3, 4));
// If the expected file has an extra line, that's a diff.
EXPECT_THAT(AXInspectTestHelper::DiffLines({"broccoli", "turnip", "cow"},
{"broccoli", "turnip"}),
ElementsAre(2));
// If the actual file has an extra line, that's a diff.
EXPECT_THAT(AXInspectTestHelper::DiffLines({"broccoli", "turnip"},
{"broccoli", "turnip", "horse"}),
ElementsAre(2));
// If the expected file has an extra blank line, that's okay.
EXPECT_THAT(AXInspectTestHelper::DiffLines({"broccoli", "turnip", ""},
{"broccoli", "turnip"}),
ElementsAre());
}
} // namespace ui
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