1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include <AppKit/AppKit.h> 6 7 #include "base/mac/scoped_nsobject.h" 8 #include "base/memory/scoped_ptr.h" 9 #include "base/strings/utf_string_conversions.h" 10 #import "content/common/mac/attributed_string_coder.h" 11 #include "testing/gtest/include/gtest/gtest.h" 12 #include "testing/gtest_mac.h" 13 14 using mac::AttributedStringCoder; 15 16 class AttributedStringCoderTest : public testing::Test { 17 public: 18 NSMutableAttributedString* NewAttrString() { 19 NSString* str = @"The quick brown fox jumped over the lazy dog."; 20 return [[NSMutableAttributedString alloc] initWithString:str]; 21 } 22 23 NSDictionary* FontAttribute(NSString* name, CGFloat size) { 24 NSFont* font = [NSFont fontWithName:name size:size]; 25 return [NSDictionary dictionaryWithObject:font forKey:NSFontAttributeName]; 26 } 27 28 NSAttributedString* EncodeAndDecode(NSAttributedString* str) { 29 scoped_ptr<const AttributedStringCoder::EncodedString> encoded_str( 30 AttributedStringCoder::Encode(str)); 31 return AttributedStringCoder::Decode(encoded_str.get()); 32 } 33 }; 34 35 TEST_F(AttributedStringCoderTest, SimpleString) { 36 base::scoped_nsobject<NSMutableAttributedString> attr_str(NewAttrString()); 37 [attr_str addAttributes:FontAttribute(@"Helvetica", 12.5) 38 range:NSMakeRange(0, [attr_str length])]; 39 40 NSAttributedString* decoded = EncodeAndDecode(attr_str.get()); 41 EXPECT_NSEQ(attr_str.get(), decoded); 42 } 43 44 TEST_F(AttributedStringCoderTest, NoAttributes) { 45 base::scoped_nsobject<NSAttributedString> attr_str(NewAttrString()); 46 NSAttributedString* decoded = EncodeAndDecode(attr_str.get()); 47 EXPECT_NSEQ(attr_str.get(), decoded); 48 } 49 50 TEST_F(AttributedStringCoderTest, StripColor) { 51 base::scoped_nsobject<NSMutableAttributedString> attr_str(NewAttrString()); 52 const NSUInteger kStringLength = [attr_str length]; 53 [attr_str addAttribute:NSFontAttributeName 54 value:[NSFont systemFontOfSize:26] 55 range:NSMakeRange(0, kStringLength)]; 56 [attr_str addAttribute:NSForegroundColorAttributeName 57 value:[NSColor redColor] 58 range:NSMakeRange(0, kStringLength)]; 59 60 NSAttributedString* decoded = EncodeAndDecode(attr_str.get()); 61 62 NSRange range; 63 NSDictionary* attrs = [decoded attributesAtIndex:0 effectiveRange:&range]; 64 EXPECT_TRUE(NSEqualRanges(NSMakeRange(0, kStringLength), range)); 65 EXPECT_NSEQ([NSFont systemFontOfSize:26], 66 [attrs objectForKey:NSFontAttributeName]); 67 EXPECT_FALSE([attrs objectForKey:NSForegroundColorAttributeName]); 68 } 69 70 TEST_F(AttributedStringCoderTest, MultipleFonts) { 71 base::scoped_nsobject<NSMutableAttributedString> attr_str(NewAttrString()); 72 [attr_str setAttributes:FontAttribute(@"Courier", 12) 73 range:NSMakeRange(0, 10)]; 74 [attr_str addAttributes:FontAttribute(@"Helvetica", 16) 75 range:NSMakeRange(12, 6)]; 76 [attr_str addAttributes:FontAttribute(@"Helvetica", 14) 77 range:NSMakeRange(15, 5)]; 78 79 NSAttributedString* decoded = EncodeAndDecode(attr_str); 80 81 EXPECT_NSEQ(attr_str.get(), decoded); 82 } 83 84 TEST_F(AttributedStringCoderTest, NoPertinentAttributes) { 85 base::scoped_nsobject<NSMutableAttributedString> attr_str(NewAttrString()); 86 [attr_str addAttribute:NSForegroundColorAttributeName 87 value:[NSColor blueColor] 88 range:NSMakeRange(0, 10)]; 89 [attr_str addAttribute:NSBackgroundColorAttributeName 90 value:[NSColor blueColor] 91 range:NSMakeRange(15, 5)]; 92 [attr_str addAttribute:NSKernAttributeName 93 value:[NSNumber numberWithFloat:2.6] 94 range:NSMakeRange(11, 3)]; 95 96 NSAttributedString* decoded = EncodeAndDecode(attr_str.get()); 97 98 base::scoped_nsobject<NSAttributedString> expected(NewAttrString()); 99 EXPECT_NSEQ(expected.get(), decoded); 100 } 101 102 TEST_F(AttributedStringCoderTest, NilString) { 103 NSAttributedString* decoded = EncodeAndDecode(nil); 104 EXPECT_TRUE(decoded); 105 EXPECT_EQ(0U, [decoded length]); 106 } 107 108 TEST_F(AttributedStringCoderTest, OutOfRange) { 109 AttributedStringCoder::EncodedString encoded( 110 base::ASCIIToUTF16("Hello World")); 111 encoded.attributes()->push_back( 112 AttributedStringCoder::FontAttribute( 113 FontDescriptor([NSFont systemFontOfSize:12]), 114 gfx::Range(0, 5))); 115 encoded.attributes()->push_back( 116 AttributedStringCoder::FontAttribute( 117 FontDescriptor([NSFont systemFontOfSize:14]), 118 gfx::Range(5, 100))); 119 encoded.attributes()->push_back( 120 AttributedStringCoder::FontAttribute( 121 FontDescriptor([NSFont systemFontOfSize:16]), 122 gfx::Range(100, 5))); 123 124 NSAttributedString* decoded = AttributedStringCoder::Decode(&encoded); 125 EXPECT_TRUE(decoded); 126 127 NSRange range; 128 NSDictionary* attrs = [decoded attributesAtIndex:0 effectiveRange:&range]; 129 EXPECT_NSEQ([NSFont systemFontOfSize:12], 130 [attrs objectForKey:NSFontAttributeName]); 131 EXPECT_TRUE(NSEqualRanges(range, NSMakeRange(0, 5))); 132 133 attrs = [decoded attributesAtIndex:5 effectiveRange:&range]; 134 EXPECT_FALSE([attrs objectForKey:NSFontAttributeName]); 135 EXPECT_EQ(0U, [attrs count]); 136 } 137
