Import of the watch repository from Pebble

third_party/nanopb/tests/callbacks/encode_callbacks.c

@@ -0,0 +1,92 @@
+/* Encoding testcase for callback fields */
+
+#include <stdio.h>
+#include <string.h>
+#include <pb_encode.h>
+#include "callbacks.pb.h"
+#include "test_helpers.h"
+
+bool encode_string(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    char *str = "Hello world!";
+    
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    
+    return pb_encode_string(stream, (uint8_t*)str, strlen(str));
+}
+
+bool encode_int32(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    
+    return pb_encode_varint(stream, 42);
+}
+
+bool encode_fixed32(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    uint32_t value = 42;
+
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    
+    return pb_encode_fixed32(stream, &value);
+}
+
+bool encode_fixed64(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    uint64_t value = 42;
+
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    
+    return pb_encode_fixed64(stream, &value);
+}
+
+bool encode_repeatedstring(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    char *str[4] = {"Hello world!", "", "Test", "Test2"};
+    int i;
+    
+    for (i = 0; i < 4; i++)
+    {
+        if (!pb_encode_tag_for_field(stream, field))
+            return false;
+        
+        if (!pb_encode_string(stream, (uint8_t*)str[i], strlen(str[i])))
+            return false;
+    }
+    return true;
+}
+
+int main()
+{
+    uint8_t buffer[1024];
+    pb_ostream_t stream;
+    TestMessage testmessage = {{{NULL}}};
+    
+    stream = pb_ostream_from_buffer(buffer, 1024);
+    
+    testmessage.stringvalue.funcs.encode = &encode_string;
+    testmessage.int32value.funcs.encode = &encode_int32;
+    testmessage.fixed32value.funcs.encode = &encode_fixed32;
+    testmessage.fixed64value.funcs.encode = &encode_fixed64;
+    
+    testmessage.has_submsg = true;
+    testmessage.submsg.stringvalue.funcs.encode = &encode_string;
+    testmessage.submsg.int32value.funcs.encode = &encode_int32;
+    testmessage.submsg.fixed32value.funcs.encode = &encode_fixed32;
+    testmessage.submsg.fixed64value.funcs.encode = &encode_fixed64;
+
+    testmessage.repeatedstring.funcs.encode = &encode_repeatedstring;
+    
+    if (!pb_encode(&stream, TestMessage_fields, &testmessage))
+        return 1;
+    
+    SET_BINARY_MODE(stdout);
+    if (fwrite(buffer, stream.bytes_written, 1, stdout) != 1)
+        return 2;
+    
+    return 0;
+}