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| 1 // Copyright 2013 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 "ui/base/ime/composition_text_util_pango.h" | |
| 6 | |
| 7 #include <pango/pango-attributes.h> | |
| 8 | |
| 9 #include <string> | |
| 10 #include <utility> | |
| 11 | |
| 12 #include "base/basictypes.h" | |
| 13 #include "base/logging.h" | |
| 14 #include "testing/gtest/include/gtest/gtest.h" | |
| 15 #include "ui/base/ime/composition_text.h" | |
| 16 | |
| 17 namespace { | |
| 18 | |
| 19 struct AttributeInfo { | |
| 20 int type; | |
| 21 int value; | |
| 22 int start_offset; | |
| 23 int end_offset; | |
| 24 }; | |
| 25 | |
| 26 struct Underline { | |
| 27 unsigned start_offset; | |
| 28 unsigned end_offset; | |
| 29 uint32 color; | |
| 30 bool thick; | |
| 31 uint32 background_color; | |
| 32 }; | |
| 33 | |
| 34 struct TestData { | |
| 35 const char* text; | |
| 36 const AttributeInfo attrs[10]; | |
| 37 const Underline underlines[10]; | |
| 38 }; | |
| 39 | |
| 40 const TestData kTestData[] = { | |
| 41 // Normal case | |
| 42 {"One Two Three", | |
| 43 {{PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 0, 3}, | |
| 44 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_DOUBLE, 4, 7}, | |
| 45 {PANGO_ATTR_BACKGROUND, 0, 4, 7}, | |
| 46 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 8, 13}, | |
| 47 {0, 0, 0, 0}}, | |
| 48 {{0, 3, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 49 {4, 7, SK_ColorBLACK, true, SK_ColorTRANSPARENT}, | |
| 50 {8, 13, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 51 {0, 0, 0, false, SK_ColorTRANSPARENT}}}, | |
| 52 | |
| 53 // Offset overflow. | |
| 54 {"One Two Three", | |
| 55 {{PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 0, 3}, | |
| 56 {PANGO_ATTR_BACKGROUND, 0, 4, 7}, | |
| 57 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 8, 20}, | |
| 58 {0, 0, 0, 0}}, | |
| 59 {{0, 3, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 60 {4, 7, SK_ColorBLACK, true, SK_ColorTRANSPARENT}, | |
| 61 {8, 13, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 62 {0, 0, 0, false, SK_ColorTRANSPARENT}}}, | |
| 63 | |
| 64 // Error underline. | |
| 65 {"One Two Three", | |
| 66 {{PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 0, 3}, | |
| 67 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_ERROR, 4, 7}, | |
| 68 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 8, 13}, | |
| 69 {0, 0, 0, 0}}, | |
| 70 {{0, 3, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 71 {4, 7, SK_ColorRED, false, SK_ColorTRANSPARENT}, | |
| 72 {8, 13, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 73 {0, 0, 0, false, SK_ColorTRANSPARENT}}}, | |
| 74 | |
| 75 // Default underline. | |
| 76 {"One Two Three", | |
| 77 {{0, 0, 0, 0}}, | |
| 78 {{0, 13, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 79 {0, 0, 0, false, SK_ColorTRANSPARENT}}}, | |
| 80 | |
| 81 // Unicode, including non-BMP characters: "123你好𠀀𠀁一丁 456" | |
| 82 {"123\xE4\xBD\xA0\xE5\xA5\xBD\xF0\xA0\x80\x80\xF0\xA0\x80\x81\xE4\xB8\x80" | |
| 83 "\xE4\xB8\x81 456", | |
| 84 {{PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 0, 3}, | |
| 85 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 3, 5}, | |
| 86 {PANGO_ATTR_BACKGROUND, 0, 5, 7}, | |
| 87 {PANGO_ATTR_UNDERLINE, PANGO_UNDERLINE_SINGLE, 7, 13}, | |
| 88 {0, 0, 0, 0}}, | |
| 89 {{0, 3, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 90 {3, 5, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 91 {5, 9, SK_ColorBLACK, true, SK_ColorTRANSPARENT}, | |
| 92 {9, 15, SK_ColorBLACK, false, SK_ColorTRANSPARENT}, | |
| 93 {0, 0, 0, false, SK_ColorTRANSPARENT}}}, | |
| 94 }; | |
| 95 | |
| 96 void CompareUnderline(const Underline& a, | |
| 97 const ui::CompositionUnderline& b) { | |
| 98 EXPECT_EQ(a.start_offset, b.start_offset); | |
| 99 EXPECT_EQ(a.end_offset, b.end_offset); | |
| 100 EXPECT_EQ(a.color, b.color); | |
| 101 EXPECT_EQ(a.thick, b.thick); | |
| 102 EXPECT_EQ(a.background_color, b.background_color); | |
| 103 } | |
| 104 | |
| 105 TEST(CompositionTextUtilPangoTest, ExtractCompositionText) { | |
| 106 for (size_t i = 0; i < arraysize(kTestData); ++i) { | |
| 107 const char* text = kTestData[i].text; | |
| 108 const AttributeInfo* attrs = kTestData[i].attrs; | |
| 109 SCOPED_TRACE(testing::Message() << "Testing:" << i | |
| 110 << " text:" << text); | |
| 111 | |
| 112 PangoAttrList* pango_attrs = pango_attr_list_new(); | |
| 113 for (size_t a = 0; attrs[a].type; ++a) { | |
| 114 PangoAttribute* pango_attr = NULL; | |
| 115 switch (attrs[a].type) { | |
| 116 case PANGO_ATTR_UNDERLINE: | |
| 117 pango_attr = pango_attr_underline_new( | |
| 118 static_cast<PangoUnderline>(attrs[a].value)); | |
| 119 break; | |
| 120 case PANGO_ATTR_BACKGROUND: | |
| 121 pango_attr = pango_attr_background_new(0, 0, 0); | |
| 122 break; | |
| 123 default: | |
| 124 NOTREACHED(); | |
| 125 } | |
| 126 pango_attr->start_index = | |
| 127 g_utf8_offset_to_pointer(text, attrs[a].start_offset) - text; | |
| 128 pango_attr->end_index = | |
| 129 g_utf8_offset_to_pointer(text, attrs[a].end_offset) - text; | |
| 130 pango_attr_list_insert(pango_attrs, pango_attr); | |
| 131 } | |
| 132 | |
| 133 ui::CompositionText result; | |
| 134 ui::ExtractCompositionTextFromGtkPreedit(text, pango_attrs, 0, &result); | |
| 135 | |
| 136 const Underline* underlines = kTestData[i].underlines; | |
| 137 for (size_t u = 0; underlines[u].color && | |
| 138 u < result.underlines.size(); ++u) { | |
| 139 SCOPED_TRACE(testing::Message() << "Underline:" << u); | |
| 140 CompareUnderline(underlines[u], result.underlines[u]); | |
| 141 } | |
| 142 | |
| 143 pango_attr_list_unref(pango_attrs); | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 } // namespace | |
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