89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package expire
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import (
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"testing"
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)
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func TestMercTileCoord(t *testing.T) {
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if x, y := mercTileCoord(0, 0, 0); x != 0 || y != 0 {
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t.Fatal(x, y)
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}
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if x, y := mercTileCoord(0, 0, 1); x != 1 || y != 1 {
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t.Fatal(x, y)
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}
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if x, y := mercTileCoord(-10000, 10000, 1); x != 0 || y != 0 {
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t.Fatal(x, y)
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}
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if x, y := mercTileCoord(914785.4932536, 7010978.3787268, 18); x != 137055 || y != 85210 {
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t.Fatal(x, y)
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}
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if x, y := mercTileCoord(914785.4932536, 7010978.3787268, 14); x != 8565 || y != 5325 {
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t.Fatal(x, y)
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}
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}
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func TestHilbert(t *testing.T) {
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if d := hilbert(0, 0, 1); d != 0 {
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t.Fatal(d)
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}
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if d := hilbert(0, 1, 1); d != 1 {
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t.Fatal(d)
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}
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if d := hilbert(1, 1, 1); d != 2 {
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t.Fatal(d)
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}
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if d := hilbert(1, 0, 1); d != 3 {
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t.Fatal(d)
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}
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if d := hilbert(2, 0, 2); d != 14 {
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t.Fatal(d)
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}
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if d := hilbert(1, 3, 3); d != 12 {
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t.Fatal(d)
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}
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}
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func TestTileCollection(t *testing.T) {
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tc := NewTiles(14)
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tc.addCoord(914785.4932536, 7010978.3787268) // 8565 5325
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if len(tc.SortedTiles()) != 1 {
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t.Fatal(tc.tiles)
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}
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// add twice
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tc.addCoord(914785.4932536, 7010978.3787268)
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if len(tc.SortedTiles()) != 1 {
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t.Fatal(tc.tiles)
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}
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// different coord, but same tile
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tc.addCoord(914785.4932536, 7010778.3787268)
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if len(tc.SortedTiles()) != 1 {
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t.Fatal(tc.tiles)
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}
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tc.addCoord(915785.4932536, 7010778.3787268) // 8566 5325
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tc.addCoord(915785.4932536, 7020778.3787268) // 8566 5321
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tc.addCoord(915785.4932536, 7000778.3787268) // 8566 5329
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tc.addCoord(1915785.4932536, 7010778.3787268) // 8975 5325
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tc.addCoord(1915785.4932536, 17010778.3787268) // 8975 1237
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if tiles := tc.SortedTiles(); len(tiles) != 6 ||
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tiles[0].x != 8566 ||
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tiles[1].x != 8565 ||
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tiles[2].x != 8566 ||
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tiles[3].x != 8566 ||
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tiles[4].x != 8975 ||
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tiles[5].x != 8975 {
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t.Fatal(tiles)
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}
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}
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