| Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 "printing/units.h" |
| 6 | #include "testing/gtest/include/gtest/gtest.h" |
| 7 | #include "testing/gtest/include/gtest/gtest-spi.h" |
| 8 | |
| 9 | namespace printing { |
| 10 | |
| 11 | TEST(UnitsTest, Convertions) { |
| 12 | EXPECT_EQ(100, ConvertUnit(100, 100, 100)); |
| 13 | EXPECT_EQ(-100, ConvertUnit(-100, 100, 100)); |
| 14 | EXPECT_EQ(0, ConvertUnit(0, 100, 100)); |
| 15 | EXPECT_EQ(99, ConvertUnit(99, 100, 100)); |
| 16 | EXPECT_EQ(101, ConvertUnit(101, 100, 100)); |
| 17 | EXPECT_EQ(99900, ConvertUnit(999, 10, 1000)); |
| 18 | EXPECT_EQ(100100, ConvertUnit(1001, 10, 1000)); |
| 19 | |
| 20 | // Rounding. |
| 21 | EXPECT_EQ(10, ConvertUnit(999, 1000, 10)); |
| 22 | EXPECT_EQ(10, ConvertUnit(950, 1000, 10)); |
| 23 | EXPECT_EQ(9, ConvertUnit(949, 1000, 10)); |
| 24 | EXPECT_EQ(10, ConvertUnit(1001, 1000, 10)); |
| 25 | EXPECT_EQ(10, ConvertUnit(1049, 1000, 10)); |
| 26 | EXPECT_EQ(11, ConvertUnit(1050, 1000, 10)); |
| 27 | EXPECT_EQ(-10, ConvertUnit(-999, 1000, 10)); |
| 28 | EXPECT_EQ(-10, ConvertUnit(-950, 1000, 10)); |
| 29 | EXPECT_EQ(-9, ConvertUnit(-949, 1000, 10)); |
| 30 | EXPECT_EQ(-10, ConvertUnit(-1001, 1000, 10)); |
| 31 | EXPECT_EQ(-10, ConvertUnit(-1049, 1000, 10)); |
| 32 | EXPECT_EQ(-11, ConvertUnit(-1050, 1000, 10)); |
| 33 | |
| 34 | EXPECT_EQ(0, ConvertUnit(2, 1000000000, 1)); |
| 35 | EXPECT_EQ(2000000000, ConvertUnit(2, 1, 1000000000)); |
| 36 | EXPECT_EQ(4000000000U, |
| 37 | static_cast<unsigned int>(ConvertUnit(2, 1, 2000000000))); |
| 38 | |
| 39 | EXPECT_EQ(100, ConvertUnitDouble(100, 100, 100)); |
| 40 | EXPECT_EQ(-100, ConvertUnitDouble(-100, 100, 100)); |
| 41 | EXPECT_EQ(0, ConvertUnitDouble(0, 100, 100)); |
| 42 | EXPECT_DOUBLE_EQ(0.000002, ConvertUnitDouble(2, 1000, 0.001)); |
| 43 | EXPECT_EQ(2000000, ConvertUnitDouble(2, 0.001, 1000)); |
| 44 | |
| 45 | EXPECT_EQ(kHundrethsMMPerInch, ConvertMilliInchToHundredThousanthMeter(1000)); |
| 46 | EXPECT_EQ(-kHundrethsMMPerInch, |
| 47 | ConvertMilliInchToHundredThousanthMeter(-1000)); |
| 48 | EXPECT_EQ(0, ConvertMilliInchToHundredThousanthMeter(0)); |
| 49 | EXPECT_EQ(1000, ConvertHundredThousanthMeterToMilliInch(kHundrethsMMPerInch)); |
| 50 | EXPECT_EQ(-1000, |
| 51 | ConvertHundredThousanthMeterToMilliInch(-kHundrethsMMPerInch)); |
| 52 | EXPECT_EQ(0, ConvertHundredThousanthMeterToMilliInch(0)); |
| 53 | |
| 54 | EXPECT_EQ(8.25, ConvertPixelsToPointDouble(11.0)); |
| 55 | // Round down. |
| 56 | EXPECT_EQ(8, ConvertPixelsToPoint(11)); |
| 57 | EXPECT_EQ(7.5, ConvertPixelsToPointDouble(10.0)); |
| 58 | // Round up. |
| 59 | EXPECT_EQ(8, ConvertPixelsToPoint(10)); |
| 60 | EXPECT_EQ(0, ConvertPixelsToPoint(0)); |
| 61 | } |
| 62 | |
| 63 | } // namespace printing |