1 files changed, 87 insertions, 0 deletions
diff --git a/tests/storage/test_ngram.cpp b/tests/storage/test_ngram.cpp
new file mode 100644
index 0000000..f82cf1f
--- /dev/null
+++ b/tests/storage/test_ngram.cpp
@@ -0,0 +1,87 @@
+#include <stdio.h>
+#include "pinyin_internal.h"
+
+
+int main(int argc, char * argv[]){
+    SingleGram single_gram;
+    
+    const guint32 total_freq = 16;
+    assert(single_gram.set_total_freq(total_freq));
+
+    phrase_token_t tokens[6] = { 2, 6, 4, 3, 1, 3};
+    guint32 freqs[6] = { 1, 2, 4, 8, 16, 32};
+
+    guint32 freq;
+
+    for(size_t i = 0; i < 6 ;++i){
+        if ( single_gram.get_freq(tokens[i], freq))
+            assert(single_gram.set_freq(tokens[i], freqs[i]));
+        else
+            assert(single_gram.insert_freq(tokens[i], freqs[i]));
+    }
+
+    single_gram.get_freq(3, freq);
+    assert(freq == 32);
+
+    printf("--------------------------------------------------------\n");
+    PhraseIndexRange range;
+    BigramPhraseArray array = g_array_new(FALSE, FALSE, sizeof(BigramPhraseItem));
+    range.m_range_begin = 0; range.m_range_end = 8;
+    single_gram.search(&range,array);
+    for ( size_t i = 0; i < array->len; ++i){
+	BigramPhraseItem * item = &g_array_index(array, BigramPhraseItem, i);
+	printf("item:%d:%f\n", item->m_token, item->m_freq);
+    }
+
+    assert(single_gram.get_total_freq(freq));
+    assert(freq == total_freq);
+
+    Bigram bigram;
+    assert(bigram.attach("/tmp/test.db", ATTACH_CREATE|ATTACH_READWRITE));
+    bigram.store(1, &single_gram);
+    assert(single_gram.insert_freq(5, 8));
+    assert(single_gram.remove_freq(1, freq));
+    single_gram.set_total_freq(32);
+    
+    bigram.store(2, &single_gram);
+
+
+    SingleGram * gram = NULL;
+    for ( int m = 1; m <= 2; ++m ){
+        printf("--------------------------------------------------------\n");
+        bigram.load(m, gram);
+        g_array_set_size(array, 0);
+        range.m_range_begin = 0; range.m_range_end = 8;
+        gram->search(&range,array);
+        for ( size_t i = 0; i < array->len; ++i){
+            BigramPhraseItem * item = &g_array_index(array, BigramPhraseItem, i);
+            printf("item:%d:%f\n", item->m_token, item->m_freq);
+        } 
+        delete gram;
+    }
+    
+    printf("--------------------------------------------------------\n");
+    assert(single_gram.get_total_freq(freq));
+    printf("total_freq:%d\n", freq);
+
+    g_array_free(array, TRUE);
+
+    GArray * items = g_array_new(FALSE, FALSE, sizeof(phrase_token_t));
+    bigram.get_all_items(items);
+
+    printf("----------------------system----------------------------\n");
+    for ( size_t i = 0; i < items->len; ++i){
+	phrase_token_t * token = &g_array_index(items, phrase_token_t, i);
+	printf("item:%d\n", *token);
+    }
+
+    assert(bigram.load_db("/tmp/test.db"));
+    assert(bigram.save_db("/tmp/test.db"));
+
+    g_array_free(items, TRUE);
+
+    /* mask out all index items. */
+    bigram.mask_out(0x0, 0x0);
+
+    return 0;
+}