<?php
namespace infojunkie\EsriGrid;
class BasicTest extends \PHPUnit_Framework_TestCase {
public function setUp() {
}
public function testFileNotFound() {
$this->setExpectedException('infojunkie\EsriGrid\Exception');
$file = new GridFile('notfound');
}
public function testSingleTile() {
$this->max = -99999;
$this->min = 100000;
$file = new GridFile(__DIR__ . '/../../../../data/test_dem1.txt');
$grid = $file->getGridFromPoints(0, 0, 140, 230, array($this, 'calcStats'));
$this->assertEquals(array(
array( 13, 5, 1),
array( 88, 75, 27),
array( 32, 42, 50),
array( 3, 8, 35),
array(null, 20, 100),
), $grid);
$this->assertEquals(1, $this->min);
$this->assertEquals(100, $this->max);
}
public function testMultipleTiles() {
$this->max = -99999;
$this->min = 100000;
$files = new GridFiles(array(
__DIR__ . '/../../../../data/test_dem1.txt',
__DIR__ . '/../../../../data/test_dem2.txt',
__DIR__ . '/../../../../data/test_dem3.txt',
__DIR__ . '/../../../../data/test_dem4.txt',
__DIR__ . '/../../../../data/test_dem5.txt',
__DIR__ . '/../../../../data/test_dem6.txt',
));
$grid = $files->getGridFromPoints(175, 225, 325, 675, array($this, 'calcStats'));
$this->assertEquals(array(
array( 36, null, 20, 100),
array( 2, null, null, 5),
array(null, 13, 5, 1),
array( 9, 88, 75, 27),
array( 6, 32, 42, 50),
array( 10, 3, 8, 35),
array( 36, null, 20, 100),
array( 2, null, null, 5),
array(null, 13, 5, 1),
array( 9, 88, 75, 27),
), $grid);
$this->assertEquals(1, $this->min);
$this->assertEquals(100, $this->max);
}
function calcStats($x, $y, $elevation) {
if (!is_null($elevation)) {
$this->max = max($this->max, $elevation);
$this->min = min($this->min, $elevation);
}
}
}
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