Functions to add RR/SUSP entries. Fix little bugs.

test/test.c

@@ -6,6 +6,7 @@ static void create_test_suite()
     add_image_suite();
     add_tree_suite();
     add_util_suite();
+    add_rockridge_suite();
 } 
 
 int main(int argc, char **argv)

test/test.h

@@ -8,5 +8,6 @@ void add_node_suite();
 void add_image_suite();
 void add_tree_suite();
 void add_util_suite();
+void add_rockridge_suite();
 
 #endif /*TEST_H_*/

test/test_rockridge.c

@@ -0,0 +1,107 @@
+/*
+ * Unit test for util.h
+ * 
+ * This test utiliy functions
+ */
+#include "test.h"
+#include "ecma119_tree.h"
+#include "rockridge.h"
+#include "node.h"
+
+#include <string.h>
+
+static void test_rrip_calc_len_file()
+{
+    IsoFile *file;
+    Ecma119Node *node;
+    size_t sua_len = 0, ce_len = 0;
+    
+    file = malloc(sizeof(IsoFile));
+    CU_ASSERT_PTR_NOT_NULL_FATAL(file);
+    file->msblock = 0;
+    file->sort_weight = 0;
+    file->stream = NULL; /* it is not needed here */
+    file->node.type = LIBISO_FILE;
+    
+    node = malloc(sizeof(Ecma119Node));
+    CU_ASSERT_PTR_NOT_NULL_FATAL(node);
+    node->node = (IsoNode*)file;
+    node->parent = (Ecma119Node*)0x55555555; /* just to make it not NULL */
+    node->info.file = NULL; /* it is not needed here */ 
+    node->type = ECMA119_FILE;
+    
+    /* Case 1. Name fit in System Use field */
+    file->node.name = "a small name.txt";
+    node->iso_name = "A_SMALL_.TXT";
+    
+    sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
+    CU_ASSERT_EQUAL(ce_len, 0);
+    CU_ASSERT_EQUAL(sua_len, 44 + (5 + 16) + (5 + 3*7) + 1);
+    
+    /* Case 2. Name fits exactly */
+    file->node.name = "a big name, with 133 characters, that it is the max "
+                      "that fits in System Use field of the directory record "
+                      "PADPADPADADPADPADPADPAD.txt";
+    node->iso_name = "A_BIG_NA.TXT";
+    
+    sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
+    CU_ASSERT_EQUAL(ce_len, 0);
+    /* note that 254 is the max length of a directory record, as it needs to
+     * be an even number */
+    CU_ASSERT_EQUAL(sua_len, 254 - 46);
+    
+    /* case 3. A name just 1 character too big to fit in SUA */
+    file->node.name = "a big name, with 133 characters, that it is the max "
+                      "that fits in System Use field of the directory record "
+                      "PADPADPADADPADPADPADPAD1.txt";
+    node->iso_name = "A_BIG_NA.TXT";
+    
+    sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
+    /* 28 (the chars moved to include the CE entry) + 5 (header of NM in CE) +
+     * 1 (the char that originally didn't fit) */
+    CU_ASSERT_EQUAL(ce_len, 28 + 5 + 1);
+    /* note that 254 is the max length of a directory record, as it needs to
+     * be an even number */
+    CU_ASSERT_EQUAL(sua_len, 254 - 46);
+    
+    free(node);
+    free(file);
+}
+
+static void test_rrip_calc_len_symlink()
+{
+    IsoSymlink *link;
+    Ecma119Node *node;
+    size_t sua_len = 0, ce_len = 0;
+    
+    link = malloc(sizeof(IsoSymlink));
+    CU_ASSERT_PTR_NOT_NULL_FATAL(link);
+    link->node.type = LIBISO_SYMLINK;
+    
+    node = malloc(sizeof(Ecma119Node));
+    CU_ASSERT_PTR_NOT_NULL_FATAL(node);
+    node->node = (IsoNode*)link;
+    node->parent = (Ecma119Node*)0x55555555; /* just to make it not NULL */
+    node->type = ECMA119_SYMLINK;
+    
+    /* Case 1. Name and dest fit in System Use field */
+    link->node.name = "a small name.txt";
+    link->dest = "/three/components";
+    node->iso_name = "A_SMALL_.TXT";
+    
+    sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
+    CU_ASSERT_EQUAL(ce_len, 0);
+    CU_ASSERT_EQUAL(sua_len, 44 + (5 + 16) + (5 + 3*7) + 1 + 
+                    (5 + 2 + (2+5) + (2+10)) );
+    
+    /* case 2. name + dest fits exactly */
+    //TODO
+}
+
+void add_rockridge_suite() 
+{
+	CU_pSuite pSuite = CU_add_suite("RockRidge Suite", NULL, NULL);
+	
+	CU_add_test(pSuite, "rrip_calc_len(file)", test_rrip_calc_len_file);
+    CU_add_test(pSuite, "rrip_calc_len(symlink)", test_rrip_calc_len_symlink);
+}