Exemplo n.º 1
0
static void
test_fields(TestBatch *batch)
{
    Segment *segment = Seg_new(1);
    ZombieCharBuf *foo = ZCB_WRAP_STR("foo",3 );
    ZombieCharBuf *bar = ZCB_WRAP_STR("bar", 3);
    ZombieCharBuf *baz = ZCB_WRAP_STR("baz", 3);
    int32_t field_num; 
    
    field_num = Seg_Add_Field(segment, (CharBuf*)foo);
    TEST_TRUE(batch, field_num == 1, 
        "Add_Field returns field number, and field numbers start at 1");
    field_num = Seg_Add_Field(segment, (CharBuf*)bar);
    TEST_TRUE(batch, field_num == 2, "add a second field");
    field_num = Seg_Add_Field(segment, (CharBuf*)foo);
    TEST_TRUE(batch, field_num == 1,
        "Add_Field returns existing field number if field is already known");

    TEST_TRUE(batch, ZCB_Equals(bar, (Obj*)Seg_Field_Name(segment, 2)),
        "Field_Name");
    TEST_TRUE(batch, Seg_Field_Name(segment, 3) == NULL, 
        "Field_Name returns NULL for unknown field number");
    TEST_TRUE(batch, Seg_Field_Num(segment, (CharBuf*)bar) == 2,
        "Field_Num");
    TEST_TRUE(batch, Seg_Field_Num(segment, (CharBuf*)baz) == 0, 
        "Field_Num returns 0 for unknown field name");

    DECREF(segment);
}
Exemplo n.º 2
0
static void
test_Store_and_Fetch(TestBatch *batch) {
    Hash          *hash         = Hash_new(100);
    Hash          *dupe         = Hash_new(100);
    const uint32_t starting_cap = Hash_Get_Capacity(hash);
    VArray        *expected     = VA_new(100);
    VArray        *got          = VA_new(100);
    ZombieCharBuf *twenty       = ZCB_WRAP_STR("20", 2);
    ZombieCharBuf *forty        = ZCB_WRAP_STR("40", 2);
    ZombieCharBuf *foo          = ZCB_WRAP_STR("foo", 3);

    for (int32_t i = 0; i < 100; i++) {
        CharBuf *cb = CB_newf("%i32", i);
        Hash_Store(hash, (Obj*)cb, (Obj*)cb);
        Hash_Store(dupe, (Obj*)cb, INCREF(cb));
        VA_Push(expected, INCREF(cb));
    }
    TEST_TRUE(batch, Hash_Equals(hash, (Obj*)dupe), "Equals");

    TEST_INT_EQ(batch, Hash_Get_Capacity(hash), starting_cap,
                "Initial capacity sufficient (no rebuilds)");

    for (int32_t i = 0; i < 100; i++) {
        Obj *key  = VA_Fetch(expected, i);
        Obj *elem = Hash_Fetch(hash, key);
        VA_Push(got, (Obj*)INCREF(elem));
    }

    TEST_TRUE(batch, VA_Equals(got, (Obj*)expected),
              "basic Store and Fetch");
    TEST_INT_EQ(batch, Hash_Get_Size(hash), 100,
                "size incremented properly by Hash_Store");

    TEST_TRUE(batch, Hash_Fetch(hash, (Obj*)foo) == NULL,
              "Fetch against non-existent key returns NULL");

    Hash_Store(hash, (Obj*)forty, INCREF(foo));
    TEST_TRUE(batch, ZCB_Equals(foo, Hash_Fetch(hash, (Obj*)forty)),
              "Hash_Store replaces existing value");
    TEST_FALSE(batch, Hash_Equals(hash, (Obj*)dupe),
               "replacement value spoils equals");
    TEST_INT_EQ(batch, Hash_Get_Size(hash), 100,
                "size unaffected after value replaced");

    TEST_TRUE(batch, Hash_Delete(hash, (Obj*)forty) == (Obj*)foo,
              "Delete returns value");
    DECREF(foo);
    TEST_INT_EQ(batch, Hash_Get_Size(hash), 99,
                "size decremented by successful Delete");
    TEST_TRUE(batch, Hash_Delete(hash, (Obj*)forty) == NULL,
              "Delete returns NULL when key not found");
    TEST_INT_EQ(batch, Hash_Get_Size(hash), 99,
                "size not decremented by unsuccessful Delete");
    DECREF(Hash_Delete(dupe, (Obj*)forty));
    TEST_TRUE(batch, VA_Equals(got, (Obj*)expected), "Equals after Delete");

    Hash_Clear(hash);
    TEST_TRUE(batch, Hash_Fetch(hash, (Obj*)twenty) == NULL, "Clear");
    TEST_TRUE(batch, Hash_Get_Size(hash) == 0, "size is 0 after Clear");

    DECREF(hash);
    DECREF(dupe);
    DECREF(got);
    DECREF(expected);
}
Exemplo n.º 3
0
static bool_t
S_rename_or_hard_link(RAMFolder *self, const CharBuf* from, const CharBuf *to,
                      Folder *from_folder, Folder *to_folder,
                      ZombieCharBuf *from_name, ZombieCharBuf *to_name,
                      int op)
{
    Obj       *elem              = NULL;
    RAMFolder *inner_from_folder = NULL;
    RAMFolder *inner_to_folder   = NULL;
    UNUSED_VAR(self);

    // Make sure the source and destination folders exist. 
    if (!from_folder) {
        Err_set_error(Err_new(CB_newf("File not found: '%o'", from)));
        return false;
    }
    if (!to_folder) {
        Err_set_error(Err_new(CB_newf(
            "Invalid file path (can't find dir): '%o'", to)));
        return false;
    }

    // Extract RAMFolders from compound reader wrappers, if necessary. 
    if (Folder_Is_A(from_folder, COMPOUNDFILEREADER)) {
        inner_from_folder = (RAMFolder*)CFReader_Get_Real_Folder(
            (CompoundFileReader*)from_folder);
    }
    else {
        inner_from_folder = (RAMFolder*)from_folder;
    }
    if (Folder_Is_A(to_folder, COMPOUNDFILEREADER)) {
        inner_to_folder = (RAMFolder*)CFReader_Get_Real_Folder(
            (CompoundFileReader*)to_folder);
    }
    else {
        inner_to_folder = (RAMFolder*)to_folder;
    }
    if (!RAMFolder_Is_A(inner_from_folder, RAMFOLDER)) {
        Err_set_error(Err_new(CB_newf("Not a RAMFolder, but a '%o'",
            Obj_Get_Class_Name((Obj*)inner_from_folder))));
        return false;
    }
    if (!RAMFolder_Is_A(inner_to_folder, RAMFOLDER)) {
        Err_set_error(Err_new(CB_newf("Not a RAMFolder, but a '%o'",
            Obj_Get_Class_Name((Obj*)inner_to_folder))));
        return false;
    }

    // Find the original element. 
    elem = Hash_Fetch(inner_from_folder->entries, (Obj*)from_name);
    if (!elem) {
        if (   Folder_Is_A(from_folder, COMPOUNDFILEREADER)
            && Folder_Local_Exists(from_folder, (CharBuf*)from_name)
        ) {
            Err_set_error(Err_new(CB_newf("Source file '%o' is virtual", 
                from)));
        }
        else {
            Err_set_error(Err_new(CB_newf("File not found: '%o'", from)));
        }
        return false;
    }

    // Execute the rename/hard-link. 
    if (op == OP_RENAME) {
        Obj *existing = Hash_Fetch(inner_to_folder->entries, (Obj*)to_name);
        if (existing) {
            bool_t conflict = false;

            // Return success fast if file is copied on top of itself. 
            if (   inner_from_folder == inner_to_folder 
                && ZCB_Equals(from_name, (Obj*)to_name)
            ) {
                return true;
            }

            // Don't allow clobbering of different entry type. 
            if (Obj_Is_A(elem, RAMFILE)) {
                if (!Obj_Is_A(existing, RAMFILE)) {
                    conflict = true;
                }
            }
            else if (Obj_Is_A(elem, FOLDER)) {
                if (!Obj_Is_A(existing, FOLDER)) {
                    conflict = true;
                }
            }
            if (conflict) {
                Err_set_error(Err_new(CB_newf("Can't clobber a %o with a %o",
                    Obj_Get_Class_Name(existing), Obj_Get_Class_Name(elem))));
                return false;
            }
        }

        // Perform the store first, then the delete. Inform Folder objects
        // about the relocation.
        Hash_Store(inner_to_folder->entries, (Obj*)to_name, INCREF(elem));
        DECREF(Hash_Delete(inner_from_folder->entries, (Obj*)from_name));
        if (Obj_Is_A(elem, FOLDER)) {
            CharBuf *newpath = S_fullpath(inner_to_folder, (CharBuf*)to_name);
            Folder_Set_Path((Folder*)elem, newpath);
            DECREF(newpath);
        }
    }
    else if (op == OP_HARD_LINK) {
        if (!Obj_Is_A(elem, RAMFILE)) {
            Err_set_error(Err_new(CB_newf("'%o' isn't a file, it's a %o",
                from, Obj_Get_Class_Name(elem))));
            return false;
        }
        else {
            Obj *existing 
                = Hash_Fetch(inner_to_folder->entries, (Obj*)to_name);
            if (existing) {
                Err_set_error(Err_new(CB_newf("'%o' already exists", to)));
                return false;
            }
            else {
                Hash_Store(inner_to_folder->entries, (Obj*)to_name, 
                    INCREF(elem));
            }
        }
    }
    else {
        THROW(ERR, "Unexpected op: %i32", (int32_t)op);
    }

    return true;
}