[devhelp] unit-tests: write unit test for dh_link_belongs_to_page()

[Sébastien Wilmet <swilmet src gnome org>]

commit 2caf7664f54516449e67a0420050cbc530abdae0
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Dec 7 13:38:29 2017 +0100

    unit-tests: write unit test for dh_link_belongs_to_page()
    
    The first unit test of Devhelp! Champagne!

 unit-tests/test-link.c |   48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 48 insertions(+), 0 deletions(-)
---
diff --git a/unit-tests/test-link.c b/unit-tests/test-link.c
index c243f2c..6c77ff6 100644
--- a/unit-tests/test-link.c
+++ b/unit-tests/test-link.c
@@ -17,9 +17,57 @@
 
 #include "devhelp.h"
 
+#define DEVHELP_BOOK_BASE_PATH "/usr/share/gtk-doc/html/devhelp-3"
+
+static void
+check_belongs_to_page_book_link (DhLink *book_link)
+{
+        g_assert (dh_link_belongs_to_page (book_link, "index", TRUE));
+        g_assert (!dh_link_belongs_to_page (book_link, "Index", TRUE));
+        g_assert (dh_link_belongs_to_page (book_link, "Index", FALSE));
+        g_assert (!dh_link_belongs_to_page (book_link, "", TRUE));
+        g_assert (!dh_link_belongs_to_page (book_link, "kiwi", TRUE));
+        g_assert (!dh_link_belongs_to_page (book_link, "", FALSE));
+        g_assert (!dh_link_belongs_to_page (book_link, "kiwi", FALSE));
+}
+
 static void
 test_belongs_to_page (void)
 {
+        DhLink *book_link;
+        DhLink *link;
+
+        /* index.html */
+        book_link = dh_link_new_book (DEVHELP_BOOK_BASE_PATH,
+                                      "devhelp",
+                                      "Devhelp Reference Manual",
+                                      "index.html");
+        check_belongs_to_page_book_link (book_link);
+        dh_link_unref (book_link);
+
+        /* Empty relative_url */
+        book_link = dh_link_new_book (DEVHELP_BOOK_BASE_PATH,
+                                      "devhelp",
+                                      "Devhelp Reference Manual",
+                                      "");
+        check_belongs_to_page_book_link (book_link);
+
+        /* A function */
+        link = dh_link_new (DH_LINK_TYPE_FUNCTION,
+                            book_link,
+                            "dh_link_ref",
+                            "DhLink.html#dh-link-ref");
+
+        g_assert (dh_link_belongs_to_page (link, "DhLink", TRUE));
+        g_assert (!dh_link_belongs_to_page (link, "dhlink", TRUE));
+        g_assert (dh_link_belongs_to_page (link, "dhlink", FALSE));
+        g_assert (!dh_link_belongs_to_page (link, "", TRUE));
+        g_assert (!dh_link_belongs_to_page (link, "kiwi", TRUE));
+        g_assert (!dh_link_belongs_to_page (link, "", FALSE));
+        g_assert (!dh_link_belongs_to_page (link, "kiwi", FALSE));
+
+        dh_link_unref (book_link);
+        dh_link_unref (link);
 }
 
 int