Added more documentation and tests to the Scanner.

1 files changed, 63 insertions, 0 deletions

diff --git a/test/HTML5/ScannerTest.php b/test/HTML5/ScannerTest.php
index 919f8fc..251dcfa 100644
--- a/test/HTML5/ScannerTest.php
+++ b/test/HTML5/ScannerTest.php
@@ -62,4 +62,67 @@ class ScannerTest extends TestCase {
     $c = $s->next();
     $this->assertEquals($c, $s->current());
   }
+
+  public function testUnconsume() {
+    $s = new Scanner(new InputStream("abcdefghijklmnopqrst"));
+
+    // Get initial position.
+    $s->next();
+    $start = $s->position();
+
+    // Move forward a bunch of positions.
+    $amount = 7;
+    for($i = 0; $i < $amount; $i++) {
+      $s->next();
+    }
+
+    // Roll back the amount we moved forward.
+    $s->unconsume($amount);
+
+    $this->assertEquals($start, $s->position());
+  }
+
+  // public function testGetHex() {
+  //   $s = new Scanner(new InputStream("abcdef%mnop*"));
+
+  //   $s->next();
+
+  //   $this->assertEquals('bcdef', $s->getHex());
+
+  //   echo $s->next(); echo $s->next(); echo $s->position(); echo $s->getHex();
+
+  //   //$this->assertEquals('mnop', $s->getHex());
+  // }
+  
+  public function testGetAsciiAlpha() {
+    $s = new Scanner(new InputStream("abcdef1%mnop*"));
+
+    $this->assertEquals('abcdef', $s->getAsciiAlpha());
+
+    // Move past the 1% to scan the next group of text.
+    $s->next();
+    $s->next();
+    $this->assertEquals('mnop', $s->getAsciiAlpha());
+  }
+
+  public function testGetAsciiAlphaNum() {
+    $s = new Scanner(new InputStream("abcdef1ghpo#mn94op"));
+
+    $this->assertEquals('abcdef1ghpo', $s->getAsciiAlphaNum());
+
+    // Move past the # to scan the next group of text.
+    $s->next();
+    $this->assertEquals('mn94op', $s->getAsciiAlphaNum());
+  }
+
+  public function testGetNumeric() {
+    $s = new Scanner(new InputStream("1784a 45 9867 #"));
+
+    $this->assertEquals('1784', $s->getNumeric());
+
+    // Move past the 'a ' to scan the next group of text.
+    $s->next();
+    $s->next();
+    $this->assertEquals('45', $s->getNumeric());
+  }
 }
\ No newline at end of file