Start moving the tests into subfolders. Transition to SCons for build system for the tests.

Only a few tests updated so far. Have to include all the rest before merging to mainline.

Update issue 63
Status: Started

tests/callbacks/callbacks.proto

@@ -0,0 +1,16 @@
+message SubMessage {
+    optional string stringvalue = 1;
+    repeated int32 int32value = 2;
+    repeated fixed32 fixed32value = 3;
+    repeated fixed64 fixed64value = 4;
+}
+
+message TestMessage {
+    optional string stringvalue = 1;
+    repeated int32 int32value = 2;
+    repeated fixed32 fixed32value = 3;
+    repeated fixed64 fixed64value = 4;
+    optional SubMessage submsg = 5;
+    repeated string repeatedstring = 6;
+}
+

tests/callbacks/decode_callbacks.c

@@ -0,0 +1,93 @@
+/* Decoding testcase for callback fields.
+ * Run e.g. ./test_encode_callbacks | ./test_decode_callbacks
+ */
+
+#include <stdio.h>
+#include <pb_decode.h>
+#include "callbacks.pb.h"
+
+bool print_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    uint8_t buffer[1024] = {0};
+    
+    /* We could read block-by-block to avoid the large buffer... */
+    if (stream->bytes_left > sizeof(buffer) - 1)
+        return false;
+    
+    if (!pb_read(stream, buffer, stream->bytes_left))
+        return false;
+    
+    /* Print the string, in format comparable with protoc --decode.
+     * Format comes from the arg defined in main().
+     */
+    printf((char*)*arg, buffer);
+    return true;
+}
+
+bool print_int32(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    uint64_t value;
+    if (!pb_decode_varint(stream, &value))
+        return false;
+    
+    printf((char*)*arg, (long)value);
+    return true;
+}
+
+bool print_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    uint32_t value;
+    if (!pb_decode_fixed32(stream, &value))
+        return false;
+    
+    printf((char*)*arg, (long)value);
+    return true;
+}
+
+bool print_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    uint64_t value;
+    if (!pb_decode_fixed64(stream, &value))
+        return false;
+    
+    printf((char*)*arg, (long long)value);
+    return true;
+}
+
+int main()
+{
+    uint8_t buffer[1024];
+    size_t length = fread(buffer, 1, 1024, stdin);
+    pb_istream_t stream = pb_istream_from_buffer(buffer, length);
+    
+    /* Note: empty initializer list initializes the struct with all-0.
+     * This is recommended so that unused callbacks are set to NULL instead
+     * of crashing at runtime.
+     */
+    TestMessage testmessage = {};
+    
+    testmessage.submsg.stringvalue.funcs.decode = &print_string;
+    testmessage.submsg.stringvalue.arg = "submsg {\n  stringvalue: \"%s\"\n";
+    testmessage.submsg.int32value.funcs.decode = &print_int32;
+    testmessage.submsg.int32value.arg = "  int32value: %ld\n";
+    testmessage.submsg.fixed32value.funcs.decode = &print_fixed32;
+    testmessage.submsg.fixed32value.arg = "  fixed32value: %ld\n";
+    testmessage.submsg.fixed64value.funcs.decode = &print_fixed64;
+    testmessage.submsg.fixed64value.arg = "  fixed64value: %lld\n}\n";
+    
+    testmessage.stringvalue.funcs.decode = &print_string;
+    testmessage.stringvalue.arg = "stringvalue: \"%s\"\n";
+    testmessage.int32value.funcs.decode = &print_int32;
+    testmessage.int32value.arg = "int32value: %ld\n";
+    testmessage.fixed32value.funcs.decode = &print_fixed32;
+    testmessage.fixed32value.arg = "fixed32value: %ld\n";
+    testmessage.fixed64value.funcs.decode = &print_fixed64;
+    testmessage.fixed64value.arg = "fixed64value: %lld\n";
+    testmessage.repeatedstring.funcs.decode = &print_string;
+    testmessage.repeatedstring.arg = "repeatedstring: \"%s\"\n";
+    
+    if (!pb_decode(&stream, TestMessage_fields, &testmessage))
+        return 1;
+    
+    return 0;
+}

tests/callbacks/encode_callbacks.c

@@ -0,0 +1,86 @@
+/* Encoding testcase for callback fields */
+
+#include <stdio.h>
+#include <string.h>
+#include <pb_encode.h>
+#include "callbacks.pb.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)
+{
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    
+    uint32_t value = 42;
+    return pb_encode_fixed32(stream, &value);
+}
+
+bool encode_fixed64(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    if (!pb_encode_tag_for_field(stream, field))
+        return false;
+    
+    uint64_t value = 42;
+    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 = pb_ostream_from_buffer(buffer, 1024);
+    TestMessage testmessage = {};
+    
+    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;
+    
+    if (fwrite(buffer, stream.bytes_written, 1, stdout) != 1)
+        return 2;
+    
+    return 0;
+}