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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Cocoa/Cocoa.h>
#include "base/mac/scoped_nsobject.h"
#import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
#import "chrome/browser/ui/cocoa/styled_text_field.h"
#import "chrome/browser/ui/cocoa/styled_text_field_cell.h"
#import "chrome/browser/ui/cocoa/styled_text_field_test_helper.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// Width of the field so that we don't have to ask |field_| for it all
// the time.
static const CGFloat kWidth(300.0);
class StyledTextFieldTest : public CocoaTest {
public:
StyledTextFieldTest() {
// Make sure this is wide enough to play games with the cell
// decorations.
NSRect frame = NSMakeRect(0, 0, kWidth, 30);
base::scoped_nsobject<StyledTextFieldTestCell> cell(
[[StyledTextFieldTestCell alloc] initTextCell:@"Testing"]);
cell_ = cell.get();
[cell_ setEditable:YES];
[cell_ setBordered:YES];
base::scoped_nsobject<StyledTextField> field(
[[StyledTextField alloc] initWithFrame:frame]);
field_ = field.get();
[field_ setCell:cell_];
[[test_window() contentView] addSubview:field_];
}
// Helper to return the field-editor frame being used w/in |field_|.
NSRect EditorFrame() {
EXPECT_TRUE([field_ currentEditor]);
EXPECT_EQ([[field_ subviews] count], 1U);
if ([[field_ subviews] count] > 0) {
return [[[field_ subviews] objectAtIndex:0] frame];
} else {
// Return something which won't work so the caller can soldier
// on.
return NSZeroRect;
}
}
StyledTextField* field_;
StyledTextFieldTestCell* cell_;
};
// Basic view tests (AddRemove, Display).
TEST_VIEW(StyledTextFieldTest, field_);
// Test that we get the same cell from -cell and
// -styledTextFieldCell.
TEST_F(StyledTextFieldTest, Cell) {
StyledTextFieldCell* cell = [field_ styledTextFieldCell];
EXPECT_EQ(cell, [field_ cell]);
EXPECT_TRUE(cell != nil);
}
// Test that becoming first responder sets things up correctly.
TEST_F(StyledTextFieldTest, FirstResponder) {
EXPECT_EQ(nil, [field_ currentEditor]);
EXPECT_EQ([[field_ subviews] count], 0U);
[test_window() makePretendKeyWindowAndSetFirstResponder:field_];
EXPECT_FALSE(nil == [field_ currentEditor]);
EXPECT_EQ([[field_ subviews] count], 1U);
EXPECT_TRUE([[field_ currentEditor] isDescendantOf:field_]);
}
TEST_F(StyledTextFieldTest, AvailableDecorationWidth) {
// A fudge factor to account for how much space the border takes up.
// The test shouldn't be too dependent on the field's internals, but
// it also shouldn't let deranged cases fall through the cracks
// (like nothing available with no text, or everything available
// with some text).
const CGFloat kBorderWidth = 20.0;
// With no contents, almost the entire width is available for
// decorations.
[field_ setStringValue:@""];
CGFloat availableWidth = [field_ availableDecorationWidth];
EXPECT_LE(availableWidth, kWidth);
EXPECT_GT(availableWidth, kWidth - kBorderWidth);
// With minor contents, most of the remaining width is available for
// decorations.
NSDictionary* attributes =
[NSDictionary dictionaryWithObject:[field_ font]
forKey:NSFontAttributeName];
NSString* string = @"Hello world";
const NSSize size([string sizeWithAttributes:attributes]);
[field_ setStringValue:string];
availableWidth = [field_ availableDecorationWidth];
EXPECT_LE(availableWidth, kWidth - size.width);
EXPECT_GT(availableWidth, kWidth - size.width - kBorderWidth);
// With huge contents, nothing at all is left for decorations.
string = @"A long string which is surely wider than field_ can hold.";
[field_ setStringValue:string];
availableWidth = [field_ availableDecorationWidth];
EXPECT_LT(availableWidth, 0.0);
}
// Test drawing, mostly to ensure nothing leaks or crashes.
TEST_F(StyledTextFieldTest, Display) {
[field_ display];
// Test focused drawing.
[test_window() makePretendKeyWindowAndSetFirstResponder:field_];
[field_ display];
}
// Test that the field editor gets the same bounds when focus is delivered by
// the standard focusing machinery, or by -resetFieldEditorFrameIfNeeded.
TEST_F(StyledTextFieldTest, ResetFieldEditorBase) {
// Capture the editor frame resulting from the standard focus machinery.
[test_window() makePretendKeyWindowAndSetFirstResponder:field_];
const NSRect baseEditorFrame(EditorFrame());
// Setting a hint should result in a strictly smaller editor frame.
EXPECT_EQ(0, [cell_ leftMargin]);
EXPECT_EQ(0, [cell_ rightMargin]);
[cell_ setLeftMargin:10];
[field_ resetFieldEditorFrameIfNeeded];
EXPECT_FALSE(NSEqualRects(baseEditorFrame, EditorFrame()));
EXPECT_TRUE(NSContainsRect(baseEditorFrame, EditorFrame()));
// Resetting the margin and using -resetFieldEditorFrameIfNeeded should result
// in the same frame as the standard focus machinery.
[cell_ setLeftMargin:0];
[field_ resetFieldEditorFrameIfNeeded];
EXPECT_TRUE(NSEqualRects(baseEditorFrame, EditorFrame()));
}
// Test that the field editor gets the same bounds when focus is delivered by
// the standard focusing machinery, or by -resetFieldEditorFrameIfNeeded.
TEST_F(StyledTextFieldTest, ResetFieldEditorLeftMargin) {
const CGFloat kLeftMargin = 20;
// Start the cell off with a non-zero left margin.
[cell_ setLeftMargin:kLeftMargin];
[cell_ setRightMargin:0];
// Capture the editor frame resulting from the standard focus machinery.
[test_window() makePretendKeyWindowAndSetFirstResponder:field_];
const NSRect baseEditorFrame(EditorFrame());
// Clearing the margin should result in a strictly larger editor frame.
[cell_ setLeftMargin:0];
[field_ resetFieldEditorFrameIfNeeded];
EXPECT_FALSE(NSEqualRects(baseEditorFrame, EditorFrame()));
EXPECT_TRUE(NSContainsRect(EditorFrame(), baseEditorFrame));
// Setting the same margin and using -resetFieldEditorFrameIfNeeded should
// result in the same frame as the standard focus machinery.
[cell_ setLeftMargin:kLeftMargin];
[field_ resetFieldEditorFrameIfNeeded];
EXPECT_TRUE(NSEqualRects(baseEditorFrame, EditorFrame()));
}
// Test that the field editor gets the same bounds when focus is delivered by
// the standard focusing machinery, or by -resetFieldEditorFrameIfNeeded.
TEST_F(StyledTextFieldTest, ResetFieldEditorRightMargin) {
const CGFloat kRightMargin = 20;
// Start the cell off with a non-zero right margin.
[cell_ setLeftMargin:0];
[cell_ setRightMargin:kRightMargin];
// Capture the editor frame resulting from the standard focus machinery.
[test_window() makePretendKeyWindowAndSetFirstResponder:field_];
const NSRect baseEditorFrame(EditorFrame());
// Clearing the margin should result in a strictly larger editor frame.
[cell_ setRightMargin:0];
[field_ resetFieldEditorFrameIfNeeded];
EXPECT_FALSE(NSEqualRects(baseEditorFrame, EditorFrame()));
EXPECT_TRUE(NSContainsRect(EditorFrame(), baseEditorFrame));
// Setting the same margin and using -resetFieldEditorFrameIfNeeded should
// result in the same frame as the standard focus machinery.
[cell_ setRightMargin:kRightMargin];
[field_ resetFieldEditorFrameIfNeeded];
EXPECT_TRUE(NSEqualRects(baseEditorFrame, EditorFrame()));
}
} // namespace
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