Started unit tests on the scanner.

1 files changed, 65 insertions, 0 deletions

diff --git a/test/HTML5/ScannerTest.php b/test/HTML5/ScannerTest.php
new file mode 100644
index 0000000..919f8fc
--- /dev/null
+++ b/test/HTML5/ScannerTest.php
@@ -0,0 +1,65 @@
+<?php
+/**
+ * @file
+ * Test the Scanner. This requires the InputStream tests are all good.
+ */
+namespace HTML5\Tests;
+
+use \HTML5\InputStream;
+use \HTML5\Parser\Scanner;
+
+require_once 'TestCase.php';
+
+class ScannerTest extends TestCase {
+
+  /**
+   * A canary test to make sure the basics are setup and working.
+   */
+  public function testConstruct() {
+    $is = new InputStream("abc");
+    $s = new Scanner($is);
+
+    $this->assertInstanceOf('\HTML5\Parser\Scanner', $s);
+  }
+
+  public function testNext() {
+    $s = new Scanner(new InputStream("abc"));
+
+    $this->assertEquals('a', $s->next());
+    $this->assertEquals('b', $s->next());
+    $this->assertEquals('c', $s->next());
+  }
+
+  public function testPosition() {
+    $s = new Scanner(new InputStream("abc"));
+
+    $this->assertEquals(0, $s->position());
+
+    $s->next();
+    $this->assertEquals(1, $s->position());
+  }
+
+  public function testPeek() {
+    $s = new Scanner(new InputStream("abc"));
+
+    // The scanner is currently pointed before a.
+    $this->assertEquals('b', $s->peek());
+
+    $s->next();
+    $this->assertEquals('c', $s->peek());
+  }
+
+  public function testCurrent() {
+    $s = new Scanner(new InputStream("abc"));
+
+    // Before scanning the string begins the current is empty.
+    $this->assertEquals('', $s->current());
+
+    $c = $s->next();
+    $this->assertEquals($c, $s->current());
+
+    // Test movement through the string.
+    $c = $s->next();
+    $this->assertEquals($c, $s->current());
+  }
+}
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