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36 lines
1.5 KiB
Plaintext
36 lines
1.5 KiB
Plaintext
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <Foundation/Foundation.h>
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#include "flutter/fml/platform/darwin/string_range_sanitization.h"
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#include "gtest/gtest.h"
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TEST(StringRangeSanitizationTest, CanHandleUnicode) {
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auto result = fml::RangeForCharacterAtIndex(@"😠", 1);
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EXPECT_EQ(result.location, 0UL);
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EXPECT_EQ(result.length, 2UL);
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}
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TEST(StringRangeSanitizationTest, HandlesInvalidRanges) {
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auto ns_not_found = static_cast<unsigned long>(NSNotFound);
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EXPECT_EQ(fml::RangeForCharacterAtIndex(@"😠", 3).location, ns_not_found);
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EXPECT_EQ(fml::RangeForCharacterAtIndex(@"😠", -1).location, ns_not_found);
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EXPECT_EQ(fml::RangeForCharacterAtIndex(nil, 0).location, ns_not_found);
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EXPECT_EQ(fml::RangeForCharactersInRange(@"😠", NSMakeRange(1, 2)).location, ns_not_found);
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EXPECT_EQ(fml::RangeForCharactersInRange(@"😠", NSMakeRange(3, 0)).location, ns_not_found);
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EXPECT_EQ(fml::RangeForCharactersInRange(nil, NSMakeRange(0, 0)).location, ns_not_found);
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}
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TEST(StringRangeSanitizationTest, CanHandleUnicodeRange) {
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auto result = fml::RangeForCharactersInRange(@"😠", NSMakeRange(1, 0));
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EXPECT_EQ(result.location, 0UL);
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EXPECT_EQ(result.length, 0UL);
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}
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TEST(StringRangeSanitizationTest, HandlesEndOfRange) {
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EXPECT_EQ(fml::RangeForCharacterAtIndex(@"1234", 4).location, 4UL);
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EXPECT_EQ(fml::RangeForCharacterAtIndex(@"1234", 4).length, 0UL);
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}
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