101 lines
1.6 KiB
Go
101 lines
1.6 KiB
Go
package main
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import (
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"bufio"
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"bytes"
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"testing"
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_ "embed"
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"github.com/matryer/is"
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)
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//go:embed example.txt
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var example []byte
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//go:embed input.txt
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var input []byte
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func TestExample(t *testing.T) {
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is := is.New(t)
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scan := bufio.NewScanner(bytes.NewReader(example))
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r, err := run(scan)
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is.NoErr(err)
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is.Equal(r.minLocation, 35)
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is.Equal(r.minRange, 46)
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}
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func SkipTestSolution(t *testing.T) {
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is := is.New(t)
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scan := bufio.NewScanner(bytes.NewReader(input))
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r, err := run(scan)
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is.NoErr(err)
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is.Equal(r.minLocation, 199602917)
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is.Equal(r.minRange, 0)
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}
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func TestLookup(t *testing.T) {
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is := is.New(t)
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find := &Lookup{ranges: Ranges{
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{98, 50, 2},
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{50, 52, 48},
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}}
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is.Equal(find.Find(79), 81)
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find = &Lookup{ranges: Ranges{
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{77, 45, 23},
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{45, 81, 19},
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{64, 68, 13},
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}}
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is.Equal(find.Find(77), 45)
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}
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func TestFinder(t *testing.T) {
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is := is.New(t)
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find := NewFinder(
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// seed-to-soil
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&Lookup{ranges: Ranges{
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{98, 50, 2},
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{50, 52, 48},
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}},
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// soil-to-fertilizer
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&Lookup{ranges: Ranges{
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{15, 0, 37},
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{52, 37, 2},
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{0, 39, 15},
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}},
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// fertilizer-to-water
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&Lookup{ranges: Ranges{
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{53, 49, 8},
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{11, 0, 42},
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{0, 42, 7},
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{7, 57, 4},
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}},
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// water-to-light
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&Lookup{ranges: Ranges{
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{18, 88, 7},
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{25, 18, 70},
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}},
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// light-to-temperature
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&Lookup{ranges: Ranges{
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{77, 45, 23},
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{45, 81, 19},
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{64, 68, 13},
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}},
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// temperature-to-humidity
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&Lookup{ranges: Ranges{
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{69, 0, 1},
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{0, 1, 69},
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}},
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// humidity-to-location
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&Lookup{ranges: Ranges{
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{56, 60, 37},
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{93, 56, 4},
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}},
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)
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is.Equal(find.Find(82), 46)
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}
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