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| 1 // Copyright (c) 2006-2008 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 "chrome/browser/printing/units.h" | |
| 6 #include "testing/gtest/include/gtest/gtest.h" | |
| 7 #include "testing/gtest/include/gtest/gtest-spi.h" | |
| 8 | |
| 9 using 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_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 | |
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