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| 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 "base/utf_string_conversions.h" |
| 6 #include "testing/gtest/include/gtest/gtest.h" |
| 7 #include "ui/base/text/bytes_formatting.h" |
| 8 |
| 9 namespace ui { |
| 10 |
| 11 TEST(BytesFormattingTest, GetByteDisplayUnits) { |
| 12 static const struct { |
| 13 int64 bytes; |
| 14 DataUnits expected; |
| 15 } cases[] = { |
| 16 {0, DATA_UNITS_BYTE}, |
| 17 {512, DATA_UNITS_BYTE}, |
| 18 {10*1024, DATA_UNITS_KIBIBYTE}, |
| 19 {10*1024*1024, DATA_UNITS_MEBIBYTE}, |
| 20 {10LL*1024*1024*1024, DATA_UNITS_GIBIBYTE}, |
| 21 {10LL*1024*1024*1024*1024, DATA_UNITS_TEBIBYTE}, |
| 22 {~(1LL<<63), DATA_UNITS_PEBIBYTE}, |
| 23 #ifdef NDEBUG |
| 24 {-1, DATA_UNITS_BYTE}, |
| 25 #endif |
| 26 }; |
| 27 |
| 28 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) |
| 29 EXPECT_EQ(cases[i].expected, GetByteDisplayUnits(cases[i].bytes)); |
| 30 } |
| 31 |
| 32 TEST(BytesFormattingTest, FormatBytes) { |
| 33 static const struct { |
| 34 int64 bytes; |
| 35 DataUnits units; |
| 36 const char* expected; |
| 37 const char* expected_with_units; |
| 38 } cases[] = { |
| 39 // Expected behavior: we show one post-decimal digit when we have |
| 40 // under two pre-decimal digits, except in cases where it makes no |
| 41 // sense (zero or bytes). |
| 42 // Since we switch units once we cross the 1000 mark, this keeps |
| 43 // the display of file sizes or bytes consistently around three |
| 44 // digits. |
| 45 {0, DATA_UNITS_BYTE, "0", "0 B"}, |
| 46 {512, DATA_UNITS_BYTE, "512", "512 B"}, |
| 47 {512, DATA_UNITS_KIBIBYTE, "0.5", "0.5 kB"}, |
| 48 {1024*1024, DATA_UNITS_KIBIBYTE, "1,024", "1,024 kB"}, |
| 49 {1024*1024, DATA_UNITS_MEBIBYTE, "1.0", "1.0 MB"}, |
| 50 {1024*1024*1024, DATA_UNITS_GIBIBYTE, "1.0", "1.0 GB"}, |
| 51 {10LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "10.0", "10.0 GB"}, |
| 52 {99LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "99.0", "99.0 GB"}, |
| 53 {105LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "105", "105 GB"}, |
| 54 {105LL*1024*1024*1024 + 500LL*1024*1024, DATA_UNITS_GIBIBYTE, |
| 55 "105", "105 GB"}, |
| 56 {~(1LL<<63), DATA_UNITS_GIBIBYTE, "8,589,934,592", "8,589,934,592 GB"}, |
| 57 {~(1LL<<63), DATA_UNITS_PEBIBYTE, "8,192", "8,192 PB"}, |
| 58 |
| 59 {99*1024 + 103, DATA_UNITS_KIBIBYTE, "99.1", "99.1 kB"}, |
| 60 {1024*1024 + 103, DATA_UNITS_KIBIBYTE, "1,024", "1,024 kB"}, |
| 61 {1024*1024 + 205 * 1024, DATA_UNITS_MEBIBYTE, "1.2", "1.2 MB"}, |
| 62 {1024*1024*1024 + (927 * 1024*1024), DATA_UNITS_GIBIBYTE, |
| 63 "1.9", "1.9 GB"}, |
| 64 {10LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "10.0", "10.0 GB"}, |
| 65 {100LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "100", "100 GB"}, |
| 66 #ifdef NDEBUG |
| 67 {-1, DATA_UNITS_BYTE, "", ""}, |
| 68 #endif |
| 69 }; |
| 70 |
| 71 for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| 72 EXPECT_EQ(ASCIIToUTF16(cases[i].expected), |
| 73 FormatBytesWithUnits(cases[i].bytes, cases[i].units, false)); |
| 74 EXPECT_EQ(ASCIIToUTF16(cases[i].expected_with_units), |
| 75 FormatBytesWithUnits(cases[i].bytes, cases[i].units, true)); |
| 76 } |
| 77 } |
| 78 |
| 79 } // namespace ui |
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