| // 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. |
| |
| #include "base/strings/utf_string_conversions.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/base/text/bytes_formatting.h" |
| |
| namespace ui { |
| |
| TEST(BytesFormattingTest, GetByteDisplayUnits) { |
| static const struct { |
| int64 bytes; |
| DataUnits expected; |
| } cases[] = { |
| {0, DATA_UNITS_BYTE}, |
| {512, DATA_UNITS_BYTE}, |
| {10*1024, DATA_UNITS_KIBIBYTE}, |
| {10*1024*1024, DATA_UNITS_MEBIBYTE}, |
| {10LL*1024*1024*1024, DATA_UNITS_GIBIBYTE}, |
| {10LL*1024*1024*1024*1024, DATA_UNITS_TEBIBYTE}, |
| {~(1LL<<63), DATA_UNITS_PEBIBYTE}, |
| #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) |
| {-1, DATA_UNITS_BYTE}, |
| #endif |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) |
| EXPECT_EQ(cases[i].expected, GetByteDisplayUnits(cases[i].bytes)); |
| } |
| |
| TEST(BytesFormattingTest, FormatBytes) { |
| static const struct { |
| int64 bytes; |
| DataUnits units; |
| const char* expected; |
| const char* expected_with_units; |
| } cases[] = { |
| // Expected behavior: we show one post-decimal digit when we have |
| // under two pre-decimal digits, except in cases where it makes no |
| // sense (zero or bytes). |
| // Since we switch units once we cross the 1000 mark, this keeps |
| // the display of file sizes or bytes consistently around three |
| // digits. |
| {0, DATA_UNITS_BYTE, "0", "0 B"}, |
| {512, DATA_UNITS_BYTE, "512", "512 B"}, |
| {512, DATA_UNITS_KIBIBYTE, "0.5", "0.5 KB"}, |
| {1024*1024, DATA_UNITS_KIBIBYTE, "1,024", "1,024 KB"}, |
| {1024*1024, DATA_UNITS_MEBIBYTE, "1.0", "1.0 MB"}, |
| {1024*1024*1024, DATA_UNITS_GIBIBYTE, "1.0", "1.0 GB"}, |
| {10LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "10.0", "10.0 GB"}, |
| {99LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "99.0", "99.0 GB"}, |
| {105LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "105", "105 GB"}, |
| {105LL*1024*1024*1024 + 500LL*1024*1024, DATA_UNITS_GIBIBYTE, |
| "105", "105 GB"}, |
| {~(1LL<<63), DATA_UNITS_GIBIBYTE, "8,589,934,592", "8,589,934,592 GB"}, |
| {~(1LL<<63), DATA_UNITS_PEBIBYTE, "8,192", "8,192 PB"}, |
| |
| {99*1024 + 103, DATA_UNITS_KIBIBYTE, "99.1", "99.1 KB"}, |
| {1024*1024 + 103, DATA_UNITS_KIBIBYTE, "1,024", "1,024 KB"}, |
| {1024*1024 + 205 * 1024, DATA_UNITS_MEBIBYTE, "1.2", "1.2 MB"}, |
| {1024*1024*1024 + (927 * 1024*1024), DATA_UNITS_GIBIBYTE, |
| "1.9", "1.9 GB"}, |
| {10LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "10.0", "10.0 GB"}, |
| {100LL*1024*1024*1024, DATA_UNITS_GIBIBYTE, "100", "100 GB"}, |
| #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) |
| {-1, DATA_UNITS_BYTE, "", ""}, |
| #endif |
| }; |
| |
| for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) { |
| EXPECT_EQ(ASCIIToUTF16(cases[i].expected), |
| FormatBytesWithUnits(cases[i].bytes, cases[i].units, false)); |
| EXPECT_EQ(ASCIIToUTF16(cases[i].expected_with_units), |
| FormatBytesWithUnits(cases[i].bytes, cases[i].units, true)); |
| } |
| } |
| |
| } // namespace ui |