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51 lines
2.1 KiB
Go
51 lines
2.1 KiB
Go
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package holidays
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import (
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"testing"
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"time"
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)
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func TestGregorianEasterSunday(t *testing.T) {
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cases := [][3]int{
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// Testcases from http://tlarsen2.tripod.com/thomaslarsen/easterdates.html
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{23, 4, 2000}, {20, 4, 2025}, {10, 4, 2050}, {7, 4, 2075},
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{15, 4, 2001}, {5, 4, 2026}, {2, 4, 2051}, {19, 4, 2076},
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{31, 3, 2002}, {28, 3, 2027}, {21, 4, 2052}, {11, 4, 2077},
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{20, 4, 2003}, {16, 4, 2028}, {6, 4, 2053}, {3, 4, 2078},
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{11, 4, 2004}, {1, 4, 2029}, {29, 3, 2054}, {23, 4, 2079},
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{27, 3, 2005}, {21, 4, 2030}, {18, 4, 2055}, {7, 4, 2080},
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{16, 4, 2006}, {13, 4, 2031}, {2, 4, 2056}, {30, 3, 2081},
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{8, 4, 2007}, {28, 3, 2032}, {22, 4, 2057}, {19, 4, 2082},
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{23, 3, 2008}, {17, 4, 2033}, {14, 4, 2058}, {4, 4, 2083},
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{12, 4, 2009}, {9, 4, 2034}, {30, 3, 2059}, {26, 3, 2084},
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{4, 4, 2010}, {25, 3, 2035}, {18, 4, 2060}, {15, 4, 2085},
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{24, 4, 2011}, {13, 4, 2036}, {10, 4, 2061}, {31, 3, 2086},
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{8, 4, 2012}, {5, 4, 2037}, {26, 3, 2062}, {20, 4, 2087},
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{31, 3, 2013}, {25, 4, 2038}, {15, 4, 2063}, {11, 4, 2088},
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{20, 4, 2014}, {10, 4, 2039}, {6, 4, 2064}, {3, 4, 2089},
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{5, 4, 2015}, {1, 4, 2040}, {29, 3, 2065}, {16, 4, 2090},
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{27, 3, 2016}, {21, 4, 2041}, {11, 4, 2066}, {8, 4, 2091},
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{16, 4, 2017}, {6, 4, 2042}, {3, 4, 2067}, {30, 3, 2092},
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{1, 4, 2018}, {29, 3, 2043}, {22, 4, 2068}, {12, 4, 2093},
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{21, 4, 2019}, {17, 4, 2044}, {14, 4, 2069}, {4, 4, 2094},
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{12, 4, 2020}, {9, 4, 2045}, {30, 3, 2070}, {24, 4, 2095},
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{4, 4, 2021}, {25, 3, 2046}, {19, 4, 2071}, {15, 4, 2096},
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{17, 4, 2022}, {14, 4, 2047}, {10, 4, 2072}, {31, 3, 2097},
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{9, 4, 2023}, {5, 4, 2048}, {26, 3, 2073}, {20, 4, 2098},
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{31, 3, 2024}, {18, 4, 2049}, {15, 4, 2074}, {12, 4, 2099},
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// Dates out of 2000 - 2099
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{11, 4, 1700}, {8, 4, 1787}, {30, 3, 2206}, {26, 3, 2282},
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// Dates way off anything known
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{11, 4, 1902010}, {25, 4, 302010},
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}
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for _, dtc := range cases {
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check := time.Date(dtc[2], time.Month(dtc[1]), dtc[0], 0, 0, 0, 0, time.Local)
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if d := GregorianEasterSunday(dtc[2]); d != check {
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t.Errorf("Easter sunday does not match for year %d: %#v != %#v", dtc[2], d, check)
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}
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}
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}
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