// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.h"
#import "base/command_line.h"
#import "base/files/file_path.h"
#import "base/files/file_util.h"
#import "base/path_service.h"
#import "base/strings/string_split.h"
#import "base/strings/sys_string_conversions.h"
#import "ios/chrome/browser/shared/model/paths/paths.h"
#import "ios/chrome/browser/shared/ui/util/uikit_ui_util.h"
#import "ios/chrome/grit/ios_strings.h"
#import "ios/web/common/uikit_ui_util.h"
#import "testing/gtest_mac.h"
#import "testing/platform_test.h"
#import "third_party/ocmock/OCMock/OCMock.h"
#import "ui/base/l10n/l10n_util_mac.h"
namespace {
class OmniboxTextFieldIOSTest : public PlatformTest {
protected:
void SetUp() override {
PlatformTest::SetUp();
// This rect is fairly arbitrary. The text field just needs a non-zero width
// so that the pre-edit label's text alignment can be tested.
CGRect rect = CGRectMake(0, 0, 100, 20);
textfield_ = [[OmniboxTextFieldIOS alloc] initWithFrame:rect];
[GetAnyKeyWindow() addSubview:textfield_];
}
void TearDown() override { [textfield_ removeFromSuperview]; }
void ExpectRectEqual(CGRect expectedRect, CGRect actualRect) {
EXPECT_EQ(expectedRect.origin.x, actualRect.origin.x);
EXPECT_EQ(expectedRect.origin.y, actualRect.origin.y);
EXPECT_EQ(expectedRect.size.width, actualRect.size.width);
EXPECT_EQ(expectedRect.size.height, actualRect.size.height);
}
// Verifies that the `selectedNSRange` function properly converts from opaque
// UITextRanges to NSRanges. This function selects blocks of text in the text
// field and compares the field's actual selected text to the converted
// NSRange.
void VerifySelectedNSRanges(NSString* text) {
// The NSRange conversion mechanism only works when the field is first
// responder.
[textfield_ setText:text];
[textfield_ becomeFirstResponder];
ASSERT_TRUE([textfield_ isFirstResponder]);
// `i` and `j` hold the start and end offsets of the range that is currently
// being tested. This function iterates through all possible combinations
// of `i` and `j`.
NSInteger i = 0;
NSInteger j = i + 1;
UITextPosition* beginning = [textfield_ beginningOfDocument];
UITextPosition* start =
[textfield_ positionFromPosition:[textfield_ beginningOfDocument]
offset:i];
// In order to avoid making any assumptions about the length of the text in
// the field, this test operates by incrementing the `i` and `j` offsets and
// converting them to opaque UITextPositions. If either `i` or `j` are
// invalid offsets for the current field text,
// `positionFromPosition:offset:` is documented to return nil. This is used
// as a signal to stop incrementing that offset and reset (or end the test).
while (start) {
UITextPosition* end = [textfield_ positionFromPosition:beginning
offset:j];
while (end) {
[textfield_
setSelectedTextRange:[textfield_ textRangeFromPosition:start
toPosition:end]];
// There are two ways to get the selected text:
// 1) Ask the field for it directly.
// 2) Compute the selected NSRange and use that to extract a substring
// from the field's text.
// This block of code ensures that the two methods give identical text.
NSRange nsrange = [textfield_ selectedNSRange];
NSString* nstext = [[textfield_ text] substringWithRange:nsrange];
UITextRange* uirange = [textfield_ selectedTextRange];
NSString* uitext = [textfield_ textInRange:uirange];
EXPECT_NSEQ(nstext, uitext);
// Increment `j` and `end` for the next iteration of the inner while
// loop.
++j;
end = [textfield_ positionFromPosition:beginning offset:j];
}
// Increment `i` and `start` for the next iteration of the outer while
// loop. This also requires `j` to be reset.
++i;
j = i + 1;
start = [textfield_ positionFromPosition:beginning offset:i];
}
[textfield_ resignFirstResponder];
}
OmniboxTextFieldIOS* textfield_;
};
// TODO:(crbug.com/1156541): Re-enable this test on devices.
#if TARGET_OS_SIMULATOR
#define MAYBE_SelectedRanges SelectedRanges
#else
#define MAYBE_SelectedRanges FLAKY_SelectedRanges
#endif
TEST_F(OmniboxTextFieldIOSTest, MAYBE_SelectedRanges) {
if (@available(iOS 17, *)) {
// TODO:(crbug.com/1468176): Failing on iOS17 beta 5.
return;
}
base::FilePath test_data_directory;
ASSERT_TRUE(base::PathService::Get(ios::DIR_TEST_DATA, &test_data_directory));
base::FilePath test_file = test_data_directory.Append(
FILE_PATH_LITERAL("omnibox/selected_ranges.txt"));
ASSERT_TRUE(base::PathExists(test_file));
std::string contents;
ASSERT_TRUE(base::ReadFileToString(test_file, &contents));
std::vector<std::string> test_strings = base::SplitString(
contents, "\n", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
for (size_t i = 0; i < test_strings.size(); ++i) {
if (test_strings[i].size() > 0) {
VerifySelectedNSRanges(base::SysUTF8ToNSString(test_strings[i]));
}
}
}
TEST_F(OmniboxTextFieldIOSTest, SelectExitsPreEditState) {
[textfield_ enterPreEditState];
EXPECT_TRUE([textfield_ isPreEditing]);
[textfield_ select:nil];
EXPECT_FALSE([textfield_ isPreEditing]);
}
TEST_F(OmniboxTextFieldIOSTest, SelectAllExitsPreEditState) {
[textfield_ enterPreEditState];
EXPECT_TRUE([textfield_ isPreEditing]);
[textfield_ selectAll:nil];
EXPECT_FALSE([textfield_ isPreEditing]);
}
TEST_F(OmniboxTextFieldIOSTest, CopyInPreedit) {
id delegateMock = OCMProtocolMock(@protocol(OmniboxTextFieldDelegate));
NSString* testString = @"omnibox test string";
[textfield_ setText:testString];
textfield_.delegate = delegateMock;
[textfield_ becomeFirstResponder];
[textfield_ enterPreEditState];
EXPECT_TRUE([textfield_ canPerformAction:@selector(copy:) withSender:nil]);
[delegateMock onCopy];
[textfield_ copy:nil];
EXPECT_TRUE([textfield_.text isEqualToString:testString]);
[delegateMock verify];
}
TEST_F(OmniboxTextFieldIOSTest, CutInPreedit) {
id delegateMock = OCMProtocolMock(@protocol(OmniboxTextFieldDelegate));
NSString* testString = @"omnibox test string";
[textfield_ setText:testString];
textfield_.delegate = delegateMock;
[textfield_ becomeFirstResponder];
[textfield_ enterPreEditState];
EXPECT_TRUE([textfield_ canPerformAction:@selector(cut:) withSender:nil]);
[delegateMock onCopy];
[textfield_ cut:nil];
EXPECT_TRUE([textfield_.text isEqualToString:@""]);
[delegateMock verify];
}
} // namespace
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