| // 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. |
| // |
| // Unit tests for eliding and formatting utility functions. |
| |
| #include "ui/gfx/text_elider.h" |
| |
| #include "base/files/file_path.h" |
| #include "base/i18n/rtl.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/font.h" |
| #include "ui/gfx/font_list.h" |
| #include "ui/gfx/text_utils.h" |
| |
| using base::ASCIIToUTF16; |
| using base::UTF16ToUTF8; |
| using base::UTF16ToWide; |
| using base::UTF8ToUTF16; |
| using base::WideToUTF16; |
| |
| namespace gfx { |
| |
| namespace { |
| |
| struct Testcase { |
| const std::string input; |
| const std::string output; |
| }; |
| |
| struct FileTestcase { |
| const base::FilePath::StringType input; |
| const std::string output; |
| }; |
| |
| struct UTF16Testcase { |
| const base::string16 input; |
| const base::string16 output; |
| }; |
| |
| struct TestData { |
| const std::string a; |
| const std::string b; |
| const int compare_result; |
| }; |
| |
| } // namespace |
| |
| // TODO(ios): This test fails on iOS because iOS version of GetStringWidthF |
| // that calls [NSString sizeWithFont] returns the rounded string width. |
| // TODO(338784): Enable this on android. |
| #if defined(OS_IOS) || defined(OS_ANDROID) |
| #define MAYBE_ElideEmail DISABLED_ElideEmail |
| #else |
| #define MAYBE_ElideEmail ElideEmail |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideEmail) { |
| const std::string kEllipsisStr(kEllipsis); |
| |
| // Test emails and their expected elided forms (from which the available |
| // widths will be derived). |
| // For elided forms in which both the username and domain must be elided: |
| // the result (how many characters are left on each side) can be font |
| // dependent. To avoid this, the username is prefixed with the characters |
| // expected to remain in the domain. |
| Testcase testcases[] = { |
| {"g@g.c", "g@g.c"}, |
| {"g@g.c", kEllipsisStr}, |
| {"ga@co.ca", "ga@c" + kEllipsisStr + "a"}, |
| {"short@small.com", "s" + kEllipsisStr + "@s" + kEllipsisStr}, |
| {"short@small.com", "s" + kEllipsisStr + "@small.com"}, |
| {"short@longbutlotsofspace.com", "short@longbutlotsofspace.com"}, |
| {"short@longbutnotverymuchspace.com", |
| "short@long" + kEllipsisStr + ".com"}, |
| {"la_short@longbutverytightspace.ca", |
| "la" + kEllipsisStr + "@l" + kEllipsisStr + "a"}, |
| {"longusername@gmail.com", "long" + kEllipsisStr + "@gmail.com"}, |
| {"elidetothemax@justfits.com", "e" + kEllipsisStr + "@justfits.com"}, |
| {"thatom_somelongemail@thatdoesntfit.com", |
| "thatom" + kEllipsisStr + "@tha" + kEllipsisStr + "om"}, |
| {"namefits@butthedomaindoesnt.com", |
| "namefits@butthedo" + kEllipsisStr + "snt.com"}, |
| {"widthtootight@nospace.com", kEllipsisStr}, |
| {"nospaceforusername@l", kEllipsisStr}, |
| {"little@littlespace.com", "l" + kEllipsisStr + "@l" + kEllipsisStr}, |
| {"l@llllllllllllllllllllllll.com", "l@lllll" + kEllipsisStr + ".com"}, |
| {"messed\"up@whyanat\"++@notgoogley.com", |
| "messed\"up@whyanat\"++@notgoogley.com"}, |
| {"messed\"up@whyanat\"++@notgoogley.com", |
| "messed\"up@why" + kEllipsisStr + "@notgoogley.com"}, |
| {"noca_messed\"up@whyanat\"++@notgoogley.ca", |
| "noca" + kEllipsisStr + "@no" + kEllipsisStr + "ca"}, |
| {"at\"@@@@@@@@@...@@.@.@.@@@\"@madness.com", |
| "at\"@@@@@@@@@...@@.@." + kEllipsisStr + "@madness.com"}, |
| // Special case: "m..." takes more than half of the available width; thus |
| // the domain must elide to "l..." and not "l...l" as it must allow enough |
| // space for the minimal username elision although its half of the |
| // available width would normally allow it to elide to "l...l". |
| {"mmmmm@llllllllll", "m" + kEllipsisStr + "@l" + kEllipsisStr}, |
| }; |
| |
| const FontList font_list; |
| for (size_t i = 0; i < arraysize(testcases); ++i) { |
| const base::string16 expected_output = UTF8ToUTF16(testcases[i].output); |
| EXPECT_EQ(expected_output, |
| ElideText(UTF8ToUTF16(testcases[i].input), font_list, |
| GetStringWidthF(expected_output, font_list), |
| ELIDE_EMAIL)); |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideEmailMoreSpace DISABLED_ElideEmailMoreSpace |
| #else |
| #define MAYBE_ElideEmailMoreSpace ElideEmailMoreSpace |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideEmailMoreSpace) { |
| const int test_width_factors[] = { |
| 100, |
| 10000, |
| 1000000, |
| }; |
| const std::string test_emails[] = { |
| "a@c", |
| "test@email.com", |
| "short@verysuperdupperlongdomain.com", |
| "supermegalongusername@withasuperlonnnggggdomain.gouv.qc.ca", |
| }; |
| |
| const FontList font_list; |
| for (size_t i = 0; i < arraysize(test_width_factors); ++i) { |
| const int test_width = |
| font_list.GetExpectedTextWidth(test_width_factors[i]); |
| for (size_t j = 0; j < arraysize(test_emails); ++j) { |
| // Extra space is available: the email should not be elided. |
| const base::string16 test_email = UTF8ToUTF16(test_emails[j]); |
| EXPECT_EQ(test_email, |
| ElideText(test_email, font_list, test_width, ELIDE_EMAIL)); |
| } |
| } |
| } |
| |
| // TODO(ios): This test fails on iOS because iOS version of GetStringWidthF |
| // that calls [NSString sizeWithFont] returns the rounded string width. |
| // TODO(338784): Enable this on android. |
| #if defined(OS_IOS) || defined(OS_ANDROID) |
| #define MAYBE_TestFilenameEliding DISABLED_TestFilenameEliding |
| #else |
| #define MAYBE_TestFilenameEliding TestFilenameEliding |
| #endif |
| TEST(TextEliderTest, MAYBE_TestFilenameEliding) { |
| const std::string kEllipsisStr(kEllipsis); |
| const base::FilePath::StringType kPathSeparator = |
| base::FilePath::StringType().append(1, base::FilePath::kSeparators[0]); |
| |
| FileTestcase testcases[] = { |
| {FILE_PATH_LITERAL(""), ""}, |
| {FILE_PATH_LITERAL("."), "."}, |
| {FILE_PATH_LITERAL("filename.exe"), "filename.exe"}, |
| {FILE_PATH_LITERAL(".longext"), ".longext"}, |
| {FILE_PATH_LITERAL("pie"), "pie"}, |
| {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + |
| kPathSeparator + FILE_PATH_LITERAL("filename.pie"), |
| "filename.pie"}, |
| {FILE_PATH_LITERAL("c:") + kPathSeparator + FILE_PATH_LITERAL("path") + |
| kPathSeparator + FILE_PATH_LITERAL("longfilename.pie"), |
| "long" + kEllipsisStr + ".pie"}, |
| {FILE_PATH_LITERAL("http://path.com/filename.pie"), "filename.pie"}, |
| {FILE_PATH_LITERAL("http://path.com/longfilename.pie"), |
| "long" + kEllipsisStr + ".pie"}, |
| {FILE_PATH_LITERAL("piesmashingtacularpants"), "pie" + kEllipsisStr}, |
| {FILE_PATH_LITERAL(".piesmashingtacularpants"), ".pie" + kEllipsisStr}, |
| {FILE_PATH_LITERAL("cheese."), "cheese."}, |
| {FILE_PATH_LITERAL("file name.longext"), |
| "file" + kEllipsisStr + ".longext"}, |
| {FILE_PATH_LITERAL("fil ename.longext"), |
| "fil " + kEllipsisStr + ".longext"}, |
| {FILE_PATH_LITERAL("filename.longext"), |
| "file" + kEllipsisStr + ".longext"}, |
| {FILE_PATH_LITERAL("filename.middleext.longext"), |
| "filename.mid" + kEllipsisStr + ".longext"}, |
| {FILE_PATH_LITERAL("filename.superduperextremelylongext"), |
| "filename.sup" + kEllipsisStr + "emelylongext"}, |
| {FILE_PATH_LITERAL("filenamereallylongtext.superduperextremelylongext"), |
| "filenamereall" + kEllipsisStr + "emelylongext"}, |
| {FILE_PATH_LITERAL("file.name.really.long.text.superduperextremelylongext"), |
| "file.name.re" + kEllipsisStr + "emelylongext"} |
| }; |
| |
| static const FontList font_list; |
| for (size_t i = 0; i < arraysize(testcases); ++i) { |
| base::FilePath filepath(testcases[i].input); |
| base::string16 expected = UTF8ToUTF16(testcases[i].output); |
| expected = base::i18n::GetDisplayStringInLTRDirectionality(expected); |
| EXPECT_EQ(expected, ElideFilename(filepath, font_list, |
| GetStringWidthF(UTF8ToUTF16(testcases[i].output), font_list))); |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideTextTruncate DISABLED_ElideTextTruncate |
| #else |
| #define MAYBE_ElideTextTruncate ElideTextTruncate |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideTextTruncate) { |
| const FontList font_list; |
| const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
| struct TestData { |
| const char* input; |
| float width; |
| const char* output; |
| } cases[] = { |
| { "", 0, "" }, |
| { "Test", 0, "" }, |
| { "", kTestWidth, "" }, |
| { "Tes", kTestWidth, "Tes" }, |
| { "Test", kTestWidth, "Test" }, |
| { "Tests", kTestWidth, "Test" }, |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| base::string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, |
| cases[i].width, TRUNCATE); |
| EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideTextEllipsis DISABLED_ElideTextEllipsis |
| #else |
| #define MAYBE_ElideTextEllipsis ElideTextEllipsis |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideTextEllipsis) { |
| const FontList font_list; |
| const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
| const char* kEllipsis = "\xE2\x80\xA6"; |
| const float kEllipsisWidth = |
| GetStringWidthF(UTF8ToUTF16(kEllipsis), font_list); |
| struct TestData { |
| const char* input; |
| float width; |
| const char* output; |
| } cases[] = { |
| { "", 0, "" }, |
| { "Test", 0, "" }, |
| { "Test", kEllipsisWidth, kEllipsis }, |
| { "", kTestWidth, "" }, |
| { "Tes", kTestWidth, "Tes" }, |
| { "Test", kTestWidth, "Test" }, |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| base::string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, |
| cases[i].width, ELIDE_TAIL); |
| EXPECT_EQ(cases[i].output, UTF16ToUTF8(result)); |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideTextEllipsisFront DISABLED_ElideTextEllipsisFront |
| #else |
| #define MAYBE_ElideTextEllipsisFront ElideTextEllipsisFront |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideTextEllipsisFront) { |
| const FontList font_list; |
| const float kTestWidth = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
| const std::string kEllipsisStr(kEllipsis); |
| const float kEllipsisWidth = |
| GetStringWidthF(UTF8ToUTF16(kEllipsis), font_list); |
| const float kEllipsis23Width = |
| GetStringWidthF(UTF8ToUTF16(kEllipsisStr + "23"), font_list); |
| struct TestData { |
| const char* input; |
| float width; |
| const base::string16 output; |
| } cases[] = { |
| { "", 0, base::string16() }, |
| { "Test", 0, base::string16() }, |
| { "Test", kEllipsisWidth, UTF8ToUTF16(kEllipsisStr) }, |
| { "", kTestWidth, base::string16() }, |
| { "Tes", kTestWidth, ASCIIToUTF16("Tes") }, |
| { "Test", kTestWidth, ASCIIToUTF16("Test") }, |
| { "Test123", kEllipsis23Width, UTF8ToUTF16(kEllipsisStr + "23") }, |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| base::string16 result = ElideText(UTF8ToUTF16(cases[i].input), font_list, |
| cases[i].width, ELIDE_HEAD); |
| EXPECT_EQ(cases[i].output, result); |
| } |
| } |
| |
| // Checks that all occurrences of |first_char| are followed by |second_char| and |
| // all occurrences of |second_char| are preceded by |first_char| in |text|. |
| static void CheckSurrogatePairs(const base::string16& text, |
| base::char16 first_char, |
| base::char16 second_char) { |
| for (size_t index = 0; index < text.length(); ++index) { |
| EXPECT_NE(second_char, text[index]); |
| if (text[index] == first_char) { |
| ASSERT_LT(++index, text.length()); |
| EXPECT_EQ(second_char, text[index]); |
| } |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideTextSurrogatePairs DISABLED_ElideTextSurrogatePairs |
| #else |
| #define MAYBE_ElideTextSurrogatePairs ElideTextSurrogatePairs |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideTextSurrogatePairs) { |
| const FontList font_list; |
| // The below is 'MUSICAL SYMBOL G CLEF', which is represented in UTF-16 as |
| // two characters forming a surrogate pair 0x0001D11E. |
| const std::string kSurrogate = "\xF0\x9D\x84\x9E"; |
| const base::string16 kTestString = UTF8ToUTF16(kSurrogate + "x" + kSurrogate); |
| const float kTestStringWidth = GetStringWidthF(kTestString, font_list); |
| const base::char16 kSurrogateFirstChar = kTestString[0]; |
| const base::char16 kSurrogateSecondChar = kTestString[1]; |
| base::string16 result; |
| |
| // Elide |kTextString| to all possible widths and check that no instance of |
| // |kSurrogate| was split in two. |
| for (float width = 0; width <= kTestStringWidth; width++) { |
| result = ElideText(kTestString, font_list, width, TRUNCATE); |
| CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| |
| result = ElideText(kTestString, font_list, width, ELIDE_TAIL); |
| CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| |
| result = ElideText(kTestString, font_list, width, ELIDE_MIDDLE); |
| CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| |
| result = ElideText(kTestString, font_list, width, ELIDE_HEAD); |
| CheckSurrogatePairs(result, kSurrogateFirstChar, kSurrogateSecondChar); |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideTextLongStrings DISABLED_ElideTextLongStrings |
| #else |
| #define MAYBE_ElideTextLongStrings ElideTextLongStrings |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideTextLongStrings) { |
| const base::string16 kEllipsisStr = UTF8ToUTF16(kEllipsis); |
| base::string16 data_scheme(UTF8ToUTF16("data:text/plain,")); |
| size_t data_scheme_length = data_scheme.length(); |
| |
| base::string16 ten_a(10, 'a'); |
| base::string16 hundred_a(100, 'a'); |
| base::string16 thousand_a(1000, 'a'); |
| base::string16 ten_thousand_a(10000, 'a'); |
| base::string16 hundred_thousand_a(100000, 'a'); |
| base::string16 million_a(1000000, 'a'); |
| |
| // TODO(gbillock): Improve these tests by adding more string diversity and |
| // doing string compares instead of length compares. See bug 338836. |
| |
| size_t number_of_as = 156; |
| base::string16 long_string_end( |
| data_scheme + base::string16(number_of_as, 'a') + kEllipsisStr); |
| UTF16Testcase testcases_end[] = { |
| { data_scheme + ten_a, data_scheme + ten_a }, |
| { data_scheme + hundred_a, data_scheme + hundred_a }, |
| { data_scheme + thousand_a, long_string_end }, |
| { data_scheme + ten_thousand_a, long_string_end }, |
| { data_scheme + hundred_thousand_a, long_string_end }, |
| { data_scheme + million_a, long_string_end }, |
| }; |
| |
| const FontList font_list; |
| float ellipsis_width = GetStringWidthF(kEllipsisStr, font_list); |
| for (size_t i = 0; i < arraysize(testcases_end); ++i) { |
| // Compare sizes rather than actual contents because if the test fails, |
| // output is rather long. |
| EXPECT_EQ(testcases_end[i].output.size(), |
| ElideText(testcases_end[i].input, font_list, |
| GetStringWidthF(testcases_end[i].output, font_list), |
| ELIDE_TAIL).size()); |
| EXPECT_EQ(kEllipsisStr, |
| ElideText(testcases_end[i].input, font_list, ellipsis_width, |
| ELIDE_TAIL)); |
| } |
| |
| size_t number_of_trailing_as = (data_scheme_length + number_of_as) / 2; |
| base::string16 long_string_middle(data_scheme + |
| base::string16(number_of_as - number_of_trailing_as, 'a') + kEllipsisStr + |
| base::string16(number_of_trailing_as, 'a')); |
| UTF16Testcase testcases_middle[] = { |
| { data_scheme + ten_a, data_scheme + ten_a }, |
| { data_scheme + hundred_a, data_scheme + hundred_a }, |
| { data_scheme + thousand_a, long_string_middle }, |
| { data_scheme + ten_thousand_a, long_string_middle }, |
| { data_scheme + hundred_thousand_a, long_string_middle }, |
| { data_scheme + million_a, long_string_middle }, |
| }; |
| |
| for (size_t i = 0; i < arraysize(testcases_middle); ++i) { |
| // Compare sizes rather than actual contents because if the test fails, |
| // output is rather long. |
| EXPECT_EQ(testcases_middle[i].output.size(), |
| ElideText(testcases_middle[i].input, font_list, |
| GetStringWidthF(testcases_middle[i].output, font_list), |
| ELIDE_MIDDLE).size()); |
| EXPECT_EQ(kEllipsisStr, |
| ElideText(testcases_middle[i].input, font_list, ellipsis_width, |
| ELIDE_MIDDLE)); |
| } |
| |
| base::string16 long_string_beginning( |
| kEllipsisStr + base::string16(number_of_as, 'a')); |
| UTF16Testcase testcases_beginning[] = { |
| { data_scheme + ten_a, data_scheme + ten_a }, |
| { data_scheme + hundred_a, data_scheme + hundred_a }, |
| { data_scheme + thousand_a, long_string_beginning }, |
| { data_scheme + ten_thousand_a, long_string_beginning }, |
| { data_scheme + hundred_thousand_a, long_string_beginning }, |
| { data_scheme + million_a, long_string_beginning }, |
| }; |
| for (size_t i = 0; i < arraysize(testcases_beginning); ++i) { |
| EXPECT_EQ(testcases_beginning[i].output.size(), |
| ElideText( |
| testcases_beginning[i].input, font_list, |
| GetStringWidthF(testcases_beginning[i].output, font_list), |
| ELIDE_HEAD).size()); |
| EXPECT_EQ(kEllipsisStr, |
| ElideText(testcases_beginning[i].input, font_list, ellipsis_width, |
| ELIDE_HEAD)); |
| } |
| } |
| |
| TEST(TextEliderTest, ElideString) { |
| struct TestData { |
| const char* input; |
| int max_len; |
| bool result; |
| const char* output; |
| } cases[] = { |
| { "Hello", 0, true, "" }, |
| { "", 0, false, "" }, |
| { "Hello, my name is Tom", 1, true, "H" }, |
| { "Hello, my name is Tom", 2, true, "He" }, |
| { "Hello, my name is Tom", 3, true, "H.m" }, |
| { "Hello, my name is Tom", 4, true, "H..m" }, |
| { "Hello, my name is Tom", 5, true, "H...m" }, |
| { "Hello, my name is Tom", 6, true, "He...m" }, |
| { "Hello, my name is Tom", 7, true, "He...om" }, |
| { "Hello, my name is Tom", 10, true, "Hell...Tom" }, |
| { "Hello, my name is Tom", 100, false, "Hello, my name is Tom" } |
| }; |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| base::string16 output; |
| EXPECT_EQ(cases[i].result, |
| ElideString(UTF8ToUTF16(cases[i].input), |
| cases[i].max_len, &output)); |
| EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideRectangleText DISABLED_ElideRectangleText |
| #else |
| #define MAYBE_ElideRectangleText ElideRectangleText |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideRectangleText) { |
| const FontList font_list; |
| const int line_height = font_list.GetHeight(); |
| const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
| |
| struct TestData { |
| const char* input; |
| float available_pixel_width; |
| int available_pixel_height; |
| bool truncated_y; |
| const char* output; |
| } cases[] = { |
| { "", 0, 0, false, NULL }, |
| { "", 1, 1, false, NULL }, |
| { "Test", test_width, 0, true, NULL }, |
| { "Test", test_width, 1, false, "Test" }, |
| { "Test", test_width, line_height, false, "Test" }, |
| { "Test Test", test_width, line_height, true, "Test" }, |
| { "Test Test", test_width, line_height + 1, false, "Test|Test" }, |
| { "Test Test", test_width, line_height * 2, false, "Test|Test" }, |
| { "Test Test", test_width, line_height * 3, false, "Test|Test" }, |
| { "Test Test", test_width * 2, line_height * 2, false, "Test|Test" }, |
| { "Test Test", test_width * 3, line_height, false, "Test Test" }, |
| { "Test\nTest", test_width * 3, line_height * 2, false, "Test|Test" }, |
| { "Te\nst Te", test_width, line_height * 3, false, "Te|st|Te" }, |
| { "\nTest", test_width, line_height * 2, false, "|Test" }, |
| { "\nTest", test_width, line_height, true, "" }, |
| { "\n\nTest", test_width, line_height * 3, false, "||Test" }, |
| { "\n\nTest", test_width, line_height * 2, true, "|" }, |
| { "Test\n", 2 * test_width, line_height * 5, false, "Test|" }, |
| { "Test\n\n", 2 * test_width, line_height * 5, false, "Test||" }, |
| { "Test\n\n\n", 2 * test_width, line_height * 5, false, "Test|||" }, |
| { "Test\nTest\n\n", 2 * test_width, line_height * 5, false, "Test|Test||" }, |
| { "Test\n\nTest\n", 2 * test_width, line_height * 5, false, "Test||Test|" }, |
| { "Test\n\n\nTest", 2 * test_width, line_height * 5, false, "Test|||Test" }, |
| { "Te ", test_width, line_height, false, "Te" }, |
| { "Te Te Test", test_width, 3 * line_height, false, "Te|Te|Test" }, |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| std::vector<base::string16> lines; |
| EXPECT_EQ(cases[i].truncated_y ? INSUFFICIENT_SPACE_VERTICAL : 0, |
| ElideRectangleText(UTF8ToUTF16(cases[i].input), |
| font_list, |
| cases[i].available_pixel_width, |
| cases[i].available_pixel_height, |
| TRUNCATE_LONG_WORDS, |
| &lines)); |
| if (cases[i].output) { |
| const std::string result = UTF16ToUTF8(JoinString(lines, '|')); |
| EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; |
| } else { |
| EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; |
| } |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideRectangleTextPunctuation \ |
| DISABLED_ElideRectangleTextPunctuation |
| #else |
| #define MAYBE_ElideRectangleTextPunctuation ElideRectangleTextPunctuation |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideRectangleTextPunctuation) { |
| const FontList font_list; |
| const int line_height = font_list.GetHeight(); |
| const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
| const float test_t_width = GetStringWidthF(ASCIIToUTF16("Test T"), font_list); |
| |
| struct TestData { |
| const char* input; |
| float available_pixel_width; |
| int available_pixel_height; |
| bool wrap_words; |
| bool truncated_x; |
| const char* output; |
| } cases[] = { |
| { "Test T.", test_t_width, line_height * 2, false, false, "Test|T." }, |
| { "Test T ?", test_t_width, line_height * 2, false, false, "Test|T ?" }, |
| { "Test. Test", test_width, line_height * 3, false, true, "Test|Test" }, |
| { "Test. Test", test_width, line_height * 3, true, false, "Test|.|Test" }, |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| std::vector<base::string16> lines; |
| const WordWrapBehavior wrap_behavior = |
| (cases[i].wrap_words ? WRAP_LONG_WORDS : TRUNCATE_LONG_WORDS); |
| EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, |
| ElideRectangleText(UTF8ToUTF16(cases[i].input), |
| font_list, |
| cases[i].available_pixel_width, |
| cases[i].available_pixel_height, |
| wrap_behavior, |
| &lines)); |
| if (cases[i].output) { |
| const std::string result = UTF16ToUTF8(JoinString(lines, '|')); |
| EXPECT_EQ(cases[i].output, result) << "Case " << i << " failed!"; |
| } else { |
| EXPECT_TRUE(lines.empty()) << "Case " << i << " failed!"; |
| } |
| } |
| } |
| |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideRectangleTextLongWords DISABLED_ElideRectangleTextLongWords |
| #else |
| #define MAYBE_ElideRectangleTextLongWords ElideRectangleTextLongWords |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideRectangleTextLongWords) { |
| const FontList font_list; |
| const int kAvailableHeight = 1000; |
| const base::string16 kElidedTesting = |
| UTF8ToUTF16(std::string("Tes") + kEllipsis); |
| const float elided_width = GetStringWidthF(kElidedTesting, font_list); |
| const float test_width = GetStringWidthF(ASCIIToUTF16("Test"), font_list); |
| |
| struct TestData { |
| const char* input; |
| float available_pixel_width; |
| WordWrapBehavior wrap_behavior; |
| bool truncated_x; |
| const char* output; |
| } cases[] = { |
| { "Testing", test_width, IGNORE_LONG_WORDS, false, "Testing" }, |
| { "X Testing", test_width, IGNORE_LONG_WORDS, false, "X|Testing" }, |
| { "Test Testing", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, |
| { "Test\nTesting", test_width, IGNORE_LONG_WORDS, false, "Test|Testing" }, |
| { "Test Tests ", test_width, IGNORE_LONG_WORDS, false, "Test|Tests" }, |
| { "Test Tests T", test_width, IGNORE_LONG_WORDS, false, "Test|Tests|T" }, |
| |
| { "Testing", elided_width, ELIDE_LONG_WORDS, true, "Tes..." }, |
| { "X Testing", elided_width, ELIDE_LONG_WORDS, true, "X|Tes..." }, |
| { "Test Testing", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, |
| { "Test\nTesting", elided_width, ELIDE_LONG_WORDS, true, "Test|Tes..." }, |
| |
| { "Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test" }, |
| { "X Testing", test_width, TRUNCATE_LONG_WORDS, true, "X|Test" }, |
| { "Test Testing", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, |
| { "Test\nTesting", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, |
| { "Test Tests ", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test" }, |
| { "Test Tests T", test_width, TRUNCATE_LONG_WORDS, true, "Test|Test|T" }, |
| |
| { "Testing", test_width, WRAP_LONG_WORDS, false, "Test|ing" }, |
| { "X Testing", test_width, WRAP_LONG_WORDS, false, "X|Test|ing" }, |
| { "Test Testing", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, |
| { "Test\nTesting", test_width, WRAP_LONG_WORDS, false, "Test|Test|ing" }, |
| { "Test Tests ", test_width, WRAP_LONG_WORDS, false, "Test|Test|s" }, |
| { "Test Tests T", test_width, WRAP_LONG_WORDS, false, "Test|Test|s T" }, |
| { "TestTestTest", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test" }, |
| { "TestTestTestT", test_width, WRAP_LONG_WORDS, false, "Test|Test|Test|T" }, |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| std::vector<base::string16> lines; |
| EXPECT_EQ(cases[i].truncated_x ? INSUFFICIENT_SPACE_HORIZONTAL : 0, |
| ElideRectangleText(UTF8ToUTF16(cases[i].input), |
| font_list, |
| cases[i].available_pixel_width, |
| kAvailableHeight, |
| cases[i].wrap_behavior, |
| &lines)); |
| std::string expected_output(cases[i].output); |
| ReplaceSubstringsAfterOffset(&expected_output, 0, "...", kEllipsis); |
| const std::string result = UTF16ToUTF8(JoinString(lines, '|')); |
| EXPECT_EQ(expected_output, result) << "Case " << i << " failed!"; |
| } |
| } |
| |
| // This test is to make sure that the width of each wrapped line does not |
| // exceed the available width. On some platform like Mac, this test used to |
| // fail because the truncated integer width is returned for the string |
| // and the accumulation of the truncated values causes the elide function |
| // to wrap incorrectly. |
| // TODO(338784): Enable this on android. |
| #if defined(OS_ANDROID) |
| #define MAYBE_ElideRectangleTextCheckLineWidth \ |
| DISABLED_ElideRectangleTextCheckLineWidth |
| #else |
| #define MAYBE_ElideRectangleTextCheckLineWidth ElideRectangleTextCheckLineWidth |
| #endif |
| TEST(TextEliderTest, MAYBE_ElideRectangleTextCheckLineWidth) { |
| FontList font_list; |
| #if defined(OS_MACOSX) && !defined(OS_IOS) |
| // Use a specific font to expose the line width exceeding problem. |
| font_list = FontList(Font("LucidaGrande", 12)); |
| #endif |
| const float kAvailableWidth = 235; |
| const int kAvailableHeight = 1000; |
| const char text[] = "that Russian place we used to go to after fencing"; |
| std::vector<base::string16> lines; |
| EXPECT_EQ(0, ElideRectangleText(UTF8ToUTF16(text), |
| font_list, |
| kAvailableWidth, |
| kAvailableHeight, |
| WRAP_LONG_WORDS, |
| &lines)); |
| ASSERT_EQ(2u, lines.size()); |
| EXPECT_LE(GetStringWidthF(lines[0], font_list), kAvailableWidth); |
| EXPECT_LE(GetStringWidthF(lines[1], font_list), kAvailableWidth); |
| } |
| |
| TEST(TextEliderTest, ElideRectangleString) { |
| struct TestData { |
| const char* input; |
| int max_rows; |
| int max_cols; |
| bool result; |
| const char* output; |
| } cases[] = { |
| { "", 0, 0, false, "" }, |
| { "", 1, 1, false, "" }, |
| { "Hi, my name is\nTom", 0, 0, true, "..." }, |
| { "Hi, my name is\nTom", 1, 0, true, "\n..." }, |
| { "Hi, my name is\nTom", 0, 1, true, "..." }, |
| { "Hi, my name is\nTom", 1, 1, true, "H\n..." }, |
| { "Hi, my name is\nTom", 2, 1, true, "H\ni\n..." }, |
| { "Hi, my name is\nTom", 3, 1, true, "H\ni\n,\n..." }, |
| { "Hi, my name is\nTom", 4, 1, true, "H\ni\n,\n \n..." }, |
| { "Hi, my name is\nTom", 5, 1, true, "H\ni\n,\n \nm\n..." }, |
| { "Hi, my name is\nTom", 0, 2, true, "..." }, |
| { "Hi, my name is\nTom", 1, 2, true, "Hi\n..." }, |
| { "Hi, my name is\nTom", 2, 2, true, "Hi\n, \n..." }, |
| { "Hi, my name is\nTom", 3, 2, true, "Hi\n, \nmy\n..." }, |
| { "Hi, my name is\nTom", 4, 2, true, "Hi\n, \nmy\n n\n..." }, |
| { "Hi, my name is\nTom", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, |
| { "Hi, my name is\nTom", 0, 3, true, "..." }, |
| { "Hi, my name is\nTom", 1, 3, true, "Hi,\n..." }, |
| { "Hi, my name is\nTom", 2, 3, true, "Hi,\n my\n..." }, |
| { "Hi, my name is\nTom", 3, 3, true, "Hi,\n my\n na\n..." }, |
| { "Hi, my name is\nTom", 4, 3, true, "Hi,\n my\n na\nme \n..." }, |
| { "Hi, my name is\nTom", 5, 3, true, "Hi,\n my\n na\nme \nis\n..." }, |
| { "Hi, my name is\nTom", 1, 4, true, "Hi, \n..." }, |
| { "Hi, my name is\nTom", 2, 4, true, "Hi, \nmy n\n..." }, |
| { "Hi, my name is\nTom", 3, 4, true, "Hi, \nmy n\name \n..." }, |
| { "Hi, my name is\nTom", 4, 4, true, "Hi, \nmy n\name \nis\n..." }, |
| { "Hi, my name is\nTom", 5, 4, false, "Hi, \nmy n\name \nis\nTom" }, |
| { "Hi, my name is\nTom", 1, 5, true, "Hi, \n..." }, |
| { "Hi, my name is\nTom", 2, 5, true, "Hi, \nmy na\n..." }, |
| { "Hi, my name is\nTom", 3, 5, true, "Hi, \nmy na\nme \n..." }, |
| { "Hi, my name is\nTom", 4, 5, true, "Hi, \nmy na\nme \nis\n..." }, |
| { "Hi, my name is\nTom", 5, 5, false, "Hi, \nmy na\nme \nis\nTom" }, |
| { "Hi, my name is\nTom", 1, 6, true, "Hi, \n..." }, |
| { "Hi, my name is\nTom", 2, 6, true, "Hi, \nmy \n..." }, |
| { "Hi, my name is\nTom", 3, 6, true, "Hi, \nmy \nname \n..." }, |
| { "Hi, my name is\nTom", 4, 6, true, "Hi, \nmy \nname \nis\n..." }, |
| { "Hi, my name is\nTom", 5, 6, false, "Hi, \nmy \nname \nis\nTom" }, |
| { "Hi, my name is\nTom", 1, 7, true, "Hi, \n..." }, |
| { "Hi, my name is\nTom", 2, 7, true, "Hi, \nmy \n..." }, |
| { "Hi, my name is\nTom", 3, 7, true, "Hi, \nmy \nname \n..." }, |
| { "Hi, my name is\nTom", 4, 7, true, "Hi, \nmy \nname \nis\n..." }, |
| { "Hi, my name is\nTom", 5, 7, false, "Hi, \nmy \nname \nis\nTom" }, |
| { "Hi, my name is\nTom", 1, 8, true, "Hi, my \n..." }, |
| { "Hi, my name is\nTom", 2, 8, true, "Hi, my \nname \n..." }, |
| { "Hi, my name is\nTom", 3, 8, true, "Hi, my \nname \nis\n..." }, |
| { "Hi, my name is\nTom", 4, 8, false, "Hi, my \nname \nis\nTom" }, |
| { "Hi, my name is\nTom", 1, 9, true, "Hi, my \n..." }, |
| { "Hi, my name is\nTom", 2, 9, true, "Hi, my \nname is\n..." }, |
| { "Hi, my name is\nTom", 3, 9, false, "Hi, my \nname is\nTom" }, |
| { "Hi, my name is\nTom", 1, 10, true, "Hi, my \n..." }, |
| { "Hi, my name is\nTom", 2, 10, true, "Hi, my \nname is\n..." }, |
| { "Hi, my name is\nTom", 3, 10, false, "Hi, my \nname is\nTom" }, |
| { "Hi, my name is\nTom", 1, 11, true, "Hi, my \n..." }, |
| { "Hi, my name is\nTom", 2, 11, true, "Hi, my \nname is\n..." }, |
| { "Hi, my name is\nTom", 3, 11, false, "Hi, my \nname is\nTom" }, |
| { "Hi, my name is\nTom", 1, 12, true, "Hi, my \n..." }, |
| { "Hi, my name is\nTom", 2, 12, true, "Hi, my \nname is\n..." }, |
| { "Hi, my name is\nTom", 3, 12, false, "Hi, my \nname is\nTom" }, |
| { "Hi, my name is\nTom", 1, 13, true, "Hi, my name \n..." }, |
| { "Hi, my name is\nTom", 2, 13, true, "Hi, my name \nis\n..." }, |
| { "Hi, my name is\nTom", 3, 13, false, "Hi, my name \nis\nTom" }, |
| { "Hi, my name is\nTom", 1, 20, true, "Hi, my name is\n..." }, |
| { "Hi, my name is\nTom", 2, 20, false, "Hi, my name is\nTom" }, |
| { "Hi, my name is Tom", 1, 40, false, "Hi, my name is Tom" }, |
| }; |
| base::string16 output; |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| EXPECT_EQ(cases[i].result, |
| ElideRectangleString(UTF8ToUTF16(cases[i].input), |
| cases[i].max_rows, cases[i].max_cols, |
| true, &output)); |
| EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); |
| } |
| } |
| |
| TEST(TextEliderTest, ElideRectangleStringNotStrict) { |
| struct TestData { |
| const char* input; |
| int max_rows; |
| int max_cols; |
| bool result; |
| const char* output; |
| } cases[] = { |
| { "", 0, 0, false, "" }, |
| { "", 1, 1, false, "" }, |
| { "Hi, my name_is\nDick", 0, 0, true, "..." }, |
| { "Hi, my name_is\nDick", 1, 0, true, "\n..." }, |
| { "Hi, my name_is\nDick", 0, 1, true, "..." }, |
| { "Hi, my name_is\nDick", 1, 1, true, "H\n..." }, |
| { "Hi, my name_is\nDick", 2, 1, true, "H\ni\n..." }, |
| { "Hi, my name_is\nDick", 3, 1, true, "H\ni\n,\n..." }, |
| { "Hi, my name_is\nDick", 4, 1, true, "H\ni\n,\n \n..." }, |
| { "Hi, my name_is\nDick", 5, 1, true, "H\ni\n,\n \nm\n..." }, |
| { "Hi, my name_is\nDick", 0, 2, true, "..." }, |
| { "Hi, my name_is\nDick", 1, 2, true, "Hi\n..." }, |
| { "Hi, my name_is\nDick", 2, 2, true, "Hi\n, \n..." }, |
| { "Hi, my name_is\nDick", 3, 2, true, "Hi\n, \nmy\n..." }, |
| { "Hi, my name_is\nDick", 4, 2, true, "Hi\n, \nmy\n n\n..." }, |
| { "Hi, my name_is\nDick", 5, 2, true, "Hi\n, \nmy\n n\nam\n..." }, |
| { "Hi, my name_is\nDick", 0, 3, true, "..." }, |
| { "Hi, my name_is\nDick", 1, 3, true, "Hi,\n..." }, |
| { "Hi, my name_is\nDick", 2, 3, true, "Hi,\n my\n..." }, |
| { "Hi, my name_is\nDick", 3, 3, true, "Hi,\n my\n na\n..." }, |
| { "Hi, my name_is\nDick", 4, 3, true, "Hi,\n my\n na\nme_\n..." }, |
| { "Hi, my name_is\nDick", 5, 3, true, "Hi,\n my\n na\nme_\nis\n..." }, |
| { "Hi, my name_is\nDick", 1, 4, true, "Hi, ..." }, |
| { "Hi, my name_is\nDick", 2, 4, true, "Hi, my n\n..." }, |
| { "Hi, my name_is\nDick", 3, 4, true, "Hi, my n\name_\n..." }, |
| { "Hi, my name_is\nDick", 4, 4, true, "Hi, my n\name_\nis\n..." }, |
| { "Hi, my name_is\nDick", 5, 4, false, "Hi, my n\name_\nis\nDick" }, |
| { "Hi, my name_is\nDick", 1, 5, true, "Hi, ..." }, |
| { "Hi, my name_is\nDick", 2, 5, true, "Hi, my na\n..." }, |
| { "Hi, my name_is\nDick", 3, 5, true, "Hi, my na\nme_is\n..." }, |
| { "Hi, my name_is\nDick", 4, 5, true, "Hi, my na\nme_is\n\n..." }, |
| { "Hi, my name_is\nDick", 5, 5, false, "Hi, my na\nme_is\n\nDick" }, |
| { "Hi, my name_is\nDick", 1, 6, true, "Hi, ..." }, |
| { "Hi, my name_is\nDick", 2, 6, true, "Hi, my nam\n..." }, |
| { "Hi, my name_is\nDick", 3, 6, true, "Hi, my nam\ne_is\n..." }, |
| { "Hi, my name_is\nDick", 4, 6, false, "Hi, my nam\ne_is\nDick" }, |
| { "Hi, my name_is\nDick", 5, 6, false, "Hi, my nam\ne_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 7, true, "Hi, ..." }, |
| { "Hi, my name_is\nDick", 2, 7, true, "Hi, my name\n..." }, |
| { "Hi, my name_is\nDick", 3, 7, true, "Hi, my name\n_is\n..." }, |
| { "Hi, my name_is\nDick", 4, 7, false, "Hi, my name\n_is\nDick" }, |
| { "Hi, my name_is\nDick", 5, 7, false, "Hi, my name\n_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 8, true, "Hi, my n\n..." }, |
| { "Hi, my name_is\nDick", 2, 8, true, "Hi, my n\name_is\n..." }, |
| { "Hi, my name_is\nDick", 3, 8, false, "Hi, my n\name_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 9, true, "Hi, my ..." }, |
| { "Hi, my name_is\nDick", 2, 9, true, "Hi, my name_is\n..." }, |
| { "Hi, my name_is\nDick", 3, 9, false, "Hi, my name_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 10, true, "Hi, my ..." }, |
| { "Hi, my name_is\nDick", 2, 10, true, "Hi, my name_is\n..." }, |
| { "Hi, my name_is\nDick", 3, 10, false, "Hi, my name_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 11, true, "Hi, my ..." }, |
| { "Hi, my name_is\nDick", 2, 11, true, "Hi, my name_is\n..." }, |
| { "Hi, my name_is\nDick", 3, 11, false, "Hi, my name_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 12, true, "Hi, my ..." }, |
| { "Hi, my name_is\nDick", 2, 12, true, "Hi, my name_is\n..." }, |
| { "Hi, my name_is\nDick", 3, 12, false, "Hi, my name_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 13, true, "Hi, my ..." }, |
| { "Hi, my name_is\nDick", 2, 13, true, "Hi, my name_is\n..." }, |
| { "Hi, my name_is\nDick", 3, 13, false, "Hi, my name_is\nDick" }, |
| { "Hi, my name_is\nDick", 1, 20, true, "Hi, my name_is\n..." }, |
| { "Hi, my name_is\nDick", 2, 20, false, "Hi, my name_is\nDick" }, |
| { "Hi, my name_is Dick", 1, 40, false, "Hi, my name_is Dick" }, |
| }; |
| base::string16 output; |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| EXPECT_EQ(cases[i].result, |
| ElideRectangleString(UTF8ToUTF16(cases[i].input), |
| cases[i].max_rows, cases[i].max_cols, |
| false, &output)); |
| EXPECT_EQ(cases[i].output, UTF16ToUTF8(output)); |
| } |
| } |
| |
| TEST(TextEliderTest, ElideRectangleWide16) { |
| // Two greek words separated by space. |
| const base::string16 str(WideToUTF16( |
| L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9" |
| L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2")); |
| const base::string16 out1(WideToUTF16( |
| L"\x03a0\x03b1\x03b3\x03ba\n" |
| L"\x03cc\x03c3\x03bc\x03b9\n" |
| L"...")); |
| const base::string16 out2(WideToUTF16( |
| L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9\x03bf\x03c2\x0020\n" |
| L"\x0399\x03c3\x03c4\x03cc\x03c2")); |
| base::string16 output; |
| EXPECT_TRUE(ElideRectangleString(str, 2, 4, true, &output)); |
| EXPECT_EQ(out1, output); |
| EXPECT_FALSE(ElideRectangleString(str, 2, 12, true, &output)); |
| EXPECT_EQ(out2, output); |
| } |
| |
| TEST(TextEliderTest, ElideRectangleWide32) { |
| // Four U+1D49C MATHEMATICAL SCRIPT CAPITAL A followed by space "aaaaa". |
| const base::string16 str(UTF8ToUTF16( |
| "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C" |
| " aaaaa")); |
| const base::string16 out(UTF8ToUTF16( |
| "\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\xF0\x9D\x92\x9C\n" |
| "\xF0\x9D\x92\x9C \naaa\n...")); |
| base::string16 output; |
| EXPECT_TRUE(ElideRectangleString(str, 3, 3, true, &output)); |
| EXPECT_EQ(out, output); |
| } |
| |
| TEST(TextEliderTest, TruncateString) { |
| base::string16 string = ASCIIToUTF16("foooooey bxxxar baz"); |
| |
| // Tests that apply to both break behaviors: |
| |
| // Make sure it doesn't modify the string if length > string length. |
| EXPECT_EQ(string, TruncateString(string, 100, WORD_BREAK)); |
| EXPECT_EQ(string, TruncateString(string, 100, CHARACTER_BREAK)); |
| |
| // Test no characters. |
| EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0, WORD_BREAK))); |
| EXPECT_EQ(L"", UTF16ToWide(TruncateString(string, 0, CHARACTER_BREAK))); |
| |
| // Test 1 character. |
| EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1, WORD_BREAK))); |
| EXPECT_EQ(L"\x2026", UTF16ToWide(TruncateString(string, 1, CHARACTER_BREAK))); |
| |
| // Test completely truncates string if break is on initial whitespace. |
| EXPECT_EQ(L"\x2026", |
| UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2, WORD_BREAK))); |
| EXPECT_EQ(L"\x2026", |
| UTF16ToWide(TruncateString(ASCIIToUTF16(" "), 2, |
| CHARACTER_BREAK))); |
| |
| // Break-only-at-word-boundaries tests: |
| |
| // Test adds ... at right spot when there is enough room to break at a |
| // word boundary. |
| EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 14, |
| WORD_BREAK))); |
| |
| // Test adds ... at right spot when there is not enough space in first word. |
| EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2, WORD_BREAK))); |
| |
| // Test adds ... at right spot when there is not enough room to break at a |
| // word boundary. |
| EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 11, |
| WORD_BREAK))); |
| |
| // Break-anywhere tests: |
| |
| // Test adds ... at right spot within a word. |
| EXPECT_EQ(L"f\x2026", UTF16ToWide(TruncateString(string, 2, |
| CHARACTER_BREAK))); |
| |
| // Test removes trailing whitespace if break falls between words. |
| EXPECT_EQ(L"foooooey\x2026", UTF16ToWide(TruncateString(string, 12, |
| CHARACTER_BREAK))); |
| } |
| |
| } // namespace gfx |