Forgot to stage tests for a26bed6

Author: dktapps

tests/PalettedBlockArray/palette-bytes.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Test that working with palettes as strings works as expected
+--FILE--
+<?php
+
+use pocketmine\world\format\PalettedBlockArray;
+
+$array = new PalettedBlockArray(0);
+for($x = 0; $x < 16; $x++){
+	for($y = 0; $y < 16; $y++){
+		for($z = 0; $z < 16; $z++){
+			$array->set($x, $y, $z,  ($x << 8) | ($y << 4) | $z);
+		}
+	}
+}
+$expected = "";
+for($i = 0; $i < 4096; $i++){
+	$expected .= pack("V", $i);
+}
+var_dump($expected === $array->getPaletteBytes());
+?>
+--EXPECT--
+bool(true)

tests/PalettedBlockArray/palette-from-data-bytes.phpt

@@ -0,0 +1,58 @@
+--TEST--
+Test that PalettedBlockArray::fromData() works as expected with bytes
+--FILE--
+<?php
+
+use pocketmine\world\format\PalettedBlockArray;
+use pocketmine\world\format\PalettedBlockArrayLoadException;
+
+$array = new PalettedBlockArray(0);
+for($x = 0; $x < 16; $x++){
+	for($y = 0; $y < 16; $y++){
+		for($z = 0; $z < 16; $z++){
+			$array->set($x, $y, $z, ($x << 8) | ($y << 4) | $z);
+		}
+	}
+}
+
+$array2 = PalettedBlockArray::fromData($array->getBitsPerBlock(), $array->getWordArray(), $array->getPaletteBytes());
+$matched = 0;
+for($x = 0; $x < 16; $x++){
+	for($y = 0; $y < 16; $y++){
+		for($z = 0; $z < 16; $z++){
+			$expect = ($x << 8) | ($y << 4) | $z;
+			if($array2->get($x, $y, $z) === $expect){
+				$matched++;
+			}else{
+				echo "Mismatch at $x, $y, $z: actual " . $array->get($x, $y, $z) . ", expected " . $expect . "\n";
+			}
+		}
+	}
+}
+var_dump($matched);
+
+try{
+    PalettedBlockArray::fromData($array->getBitsPerBlock(), $array->getWordArray(), $array->getPaletteBytes() . "\n");
+    echo "This is not supposed to work\n";
+}catch(PalettedBlockArrayLoadException $e){
+    echo $e->getMessage() . "\n";
+}
+try{
+    PalettedBlockArray::fromData($array->getBitsPerBlock(), $array->getWordArray(), substr($array->getPaletteBytes(), 0, -1));
+    echo "This is not supposed to work\n";
+}catch(PalettedBlockArrayLoadException $e){
+    echo $e->getMessage() . "\n";
+}
+try{
+    PalettedBlockArray::fromData($array->getBitsPerBlock(), $array->getWordArray(), "");
+    echo "This is not supposed to work\n";
+}catch(PalettedBlockArrayLoadException $e){
+    //TODO: this exception type is confusing, but it comes from a different place than the bytes-handling, so it's currently expected
+    echo $e->getMessage() . "\n";
+}
+?>
+--EXPECT--
+int(4096)
+palette length in bytes must be a multiple of 4, but have 16385 bytes
+palette length in bytes must be a multiple of 4, but have 16383 bytes
+palette cannot have a zero size