Separation Generator to a dedicated repo

Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

54 files changed, 807 insertions, 0 deletions

diff --git a/libs/nanopb/tests/regression/issue_118/SConscript b/libs/nanopb/tests/regression/issue_118/SConscript
new file mode 100644
index 0000000..833d9de
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_118/SConscript
@@ -0,0 +1,12 @@
+# Regression test for Issue 118: Short enum names in imported proto files are not honoured
+
+Import("env")
+env = env.Clone()
+env.Append(PROTOCPATH = "#regression/issue_118")
+
+env.NanopbProto("enumdef")
+env.Object('enumdef.pb.c')
+
+env.NanopbProto(["enumuse", "enumdef.proto"])
+env.Object('enumuse.pb.c')
+
diff --git a/libs/nanopb/tests/regression/issue_118/enumdef.proto b/libs/nanopb/tests/regression/issue_118/enumdef.proto
new file mode 100644
index 0000000..46845bc
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_118/enumdef.proto
@@ -0,0 +1,8 @@
+syntax = "proto2";
+
+import 'nanopb.proto';
+
+enum MyEnum {
+	option (nanopb_enumopt).long_names = false;
+	FOOBAR = 1;
+}
diff --git a/libs/nanopb/tests/regression/issue_118/enumuse.proto b/libs/nanopb/tests/regression/issue_118/enumuse.proto
new file mode 100644
index 0000000..4afc452
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_118/enumuse.proto
@@ -0,0 +1,7 @@
+syntax = "proto2";
+
+import 'enumdef.proto';
+
+message MyMessage {
+	required MyEnum myenum = 1 [default = FOOBAR];
+}
diff --git a/libs/nanopb/tests/regression/issue_125/SConscript b/libs/nanopb/tests/regression/issue_125/SConscript
new file mode 100644
index 0000000..f2155e6
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_125/SConscript
@@ -0,0 +1,9 @@
+# Regression test for Issue 125: Wrong identifier name for extension fields
+
+Import("env")
+
+env.NanopbProto(["extensionbug", "extensionbug.options"])
+env.Object('extensionbug.pb.c')
+
+env.Match(['extensionbug.pb.h', 'extensionbug.expected'])
+
diff --git a/libs/nanopb/tests/regression/issue_125/extensionbug.expected b/libs/nanopb/tests/regression/issue_125/extensionbug.expected
new file mode 100644
index 0000000..fc21335
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_125/extensionbug.expected
@@ -0,0 +1,3 @@
+pb_extension_type_t Message2_extras
+uint32_t field2
+
diff --git a/libs/nanopb/tests/regression/issue_125/extensionbug.options b/libs/nanopb/tests/regression/issue_125/extensionbug.options
new file mode 100644
index 0000000..30b464a
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_125/extensionbug.options
@@ -0,0 +1,4 @@
+* type:FT_IGNORE
+
+Message2.extras type:FT_STATIC
+Message2.field2 type:FT_STATIC
diff --git a/libs/nanopb/tests/regression/issue_125/extensionbug.proto b/libs/nanopb/tests/regression/issue_125/extensionbug.proto
new file mode 100644
index 0000000..fd1e74f
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_125/extensionbug.proto
@@ -0,0 +1,18 @@
+syntax = "proto2";
+
+message Message1
+{
+	optional uint32	fieldA = 1;
+	extensions 30 to max;
+}
+
+message Message2
+{
+	extend Message1
+	{
+		optional Message2 extras = 30;
+	}
+	
+	optional uint32	field1 = 1;
+	optional uint32 field2 = 2;
+}
diff --git a/libs/nanopb/tests/regression/issue_141/SConscript b/libs/nanopb/tests/regression/issue_141/SConscript
new file mode 100644
index 0000000..b6526be
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_141/SConscript
@@ -0,0 +1,8 @@
+# Regression test for issue 141: wrong encoded size #define for oneof messages
+
+Import("env")
+
+env.NanopbProto("testproto")
+env.Object('testproto.pb.c')
+env.Match(['testproto.pb.h', 'testproto.expected'])
+
diff --git a/libs/nanopb/tests/regression/issue_141/testproto.expected b/libs/nanopb/tests/regression/issue_141/testproto.expected
new file mode 100644
index 0000000..75bc195
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_141/testproto.expected
@@ -0,0 +1,7 @@
+define SubMessage_size \s* 88
+define OneOfMessage_size \s* 113
+define topMessage_size \s* 70
+define MyMessage1_size \s* 46
+define MyMessage2_size \s* 8
+define MyMessage3_size \s* 5
+define MyMessage4_size \s* 18
diff --git a/libs/nanopb/tests/regression/issue_141/testproto.proto b/libs/nanopb/tests/regression/issue_141/testproto.proto
new file mode 100644
index 0000000..a445c68
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_141/testproto.proto
@@ -0,0 +1,52 @@
+syntax = "proto2";
+
+import 'nanopb.proto';
+
+message SubMessage
+{
+    repeated int32 array = 1 [(nanopb).max_count = 8];
+}
+
+message OneOfMessage
+{
+    required int32 prefix = 1;
+    oneof values
+    {
+        int32 first = 5;
+        string second = 6 [(nanopb).max_size = 8];
+        SubMessage third = 7;
+    }
+    required int32 suffix = 99;
+}
+
+message topMessage {
+	required int32 start = 1;
+	oneof msg {
+		MyMessage1 msg1 = 2;
+		MyMessage2 msg2 = 3;
+	}
+	required int32 end = 4;
+}
+
+message MyMessage1 {
+	required uint32 n1 = 1;
+	required uint32 n2 = 2;
+	required string s = 3 [(nanopb).max_size = 32];
+}
+
+message MyMessage2 {
+	required uint32 num = 1;
+	required bool b = 2;
+}
+
+message MyMessage3 {
+	required bool bbb = 1;
+	required string ss = 2 [(nanopb).max_size = 1];
+}
+
+message MyMessage4 {
+	required bool bbbb = 1;
+	required string sss = 2 [(nanopb).max_size = 2];
+	required uint32 num = 3;
+	required uint32 num2 = 4;
+}
diff --git a/libs/nanopb/tests/regression/issue_145/SConscript b/libs/nanopb/tests/regression/issue_145/SConscript
new file mode 100644
index 0000000..0b793a7
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_145/SConscript
@@ -0,0 +1,9 @@
+# Regression test for Issue 145: Allow /* */ and // comments in .options files
+
+Import("env")
+
+env.NanopbProto(["comments", "comments.options"])
+env.Object('comments.pb.c')
+
+env.Match(['comments.pb.h', 'comments.expected'])
+
diff --git a/libs/nanopb/tests/regression/issue_145/comments.expected b/libs/nanopb/tests/regression/issue_145/comments.expected
new file mode 100644
index 0000000..7f87458
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_145/comments.expected
@@ -0,0 +1,3 @@
+char foo\[5\];
+char bar\[16\];
+
diff --git a/libs/nanopb/tests/regression/issue_145/comments.options b/libs/nanopb/tests/regression/issue_145/comments.options
new file mode 100644
index 0000000..89959ba
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_145/comments.options
@@ -0,0 +1,6 @@
+/* Block comment */
+# Line comment
+// Line comment
+DummyMessage.foo /* Block comment */ max_size:5
+DummyMessage.bar max_size:16 # Line comment ###
+
diff --git a/libs/nanopb/tests/regression/issue_145/comments.proto b/libs/nanopb/tests/regression/issue_145/comments.proto
new file mode 100644
index 0000000..621779f
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_145/comments.proto
@@ -0,0 +1,7 @@
+syntax = "proto2";
+
+message DummyMessage {
+    required string foo = 1;
+    required string bar = 2;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_166/SConscript b/libs/nanopb/tests/regression/issue_166/SConscript
new file mode 100644
index 0000000..c50b919
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_166/SConscript
@@ -0,0 +1,13 @@
+# Verify that the maximum encoded size is calculated properly
+# for enums.
+
+Import('env')
+
+env.NanopbProto('enums')
+
+p = env.Program(["enum_encoded_size.c",
+                 "enums.pb.c",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_166/enum_encoded_size.c b/libs/nanopb/tests/regression/issue_166/enum_encoded_size.c
new file mode 100644
index 0000000..84e1c7d
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_166/enum_encoded_size.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <string.h>
+#include <pb_encode.h>
+#include "unittests.h"
+#include "enums.pb.h"
+
+int main()
+{
+    int status = 0;
+    
+    uint8_t buf[256];
+    SignedMsg msg1;
+    UnsignedMsg msg2;
+    pb_ostream_t s;
+    
+    {
+        COMMENT("Test negative value of signed enum");
+        /* Negative value should take up the maximum size */
+        msg1.value = SignedEnum_SE_MIN;
+        s = pb_ostream_from_buffer(buf, sizeof(buf));
+        TEST(pb_encode(&s, SignedMsg_fields, &msg1));
+        TEST(s.bytes_written == SignedMsg_size);
+        
+        COMMENT("Test positive value of signed enum");
+        /* Positive value should be smaller */
+        msg1.value = SignedEnum_SE_MAX;
+        s = pb_ostream_from_buffer(buf, sizeof(buf));
+        TEST(pb_encode(&s, SignedMsg_fields, &msg1));
+        TEST(s.bytes_written < SignedMsg_size);
+    }
+    
+    {
+        COMMENT("Test positive value of unsigned enum");
+        /* This should take up the maximum size */
+        msg2.value = UnsignedEnum_UE_MAX;
+        s = pb_ostream_from_buffer(buf, sizeof(buf));
+        TEST(pb_encode(&s, UnsignedMsg_fields, &msg2));
+        TEST(s.bytes_written == UnsignedMsg_size);
+    }
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_166/enums.proto b/libs/nanopb/tests/regression/issue_166/enums.proto
new file mode 100644
index 0000000..3694804
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_166/enums.proto
@@ -0,0 +1,18 @@
+syntax = "proto2";
+
+enum SignedEnum {
+    SE_MIN = -1;
+    SE_MAX = 255;
+}
+
+enum UnsignedEnum {
+    UE_MAX = 65536;
+}
+
+message SignedMsg {
+    required SignedEnum value = 1;
+}
+
+message UnsignedMsg {
+    required UnsignedEnum value = 1;
+}
diff --git a/libs/nanopb/tests/regression/issue_172/SConscript b/libs/nanopb/tests/regression/issue_172/SConscript
new file mode 100644
index 0000000..49c919e
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_172/SConscript
@@ -0,0 +1,16 @@
+# Verify that _size define is generated for messages that have
+# includes from another directory.
+
+Import('env')
+
+incpath = env.Clone()
+incpath.Append(PROTOCPATH="#regression/issue_172/submessage")
+incpath.Append(CPPPATH="$BUILD/regression/issue_172/submessage")
+incpath.NanopbProto('test')
+incpath.NanopbProto(['submessage/submessage', 'submessage/submessage.options'])
+
+p = incpath.Program(["msg_size.c",
+                     "test.pb.c",
+                     "submessage/submessage.pb.c"])
+
+
diff --git a/libs/nanopb/tests/regression/issue_172/msg_size.c b/libs/nanopb/tests/regression/issue_172/msg_size.c
new file mode 100644
index 0000000..be45acb
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_172/msg_size.c
@@ -0,0 +1,9 @@
+#include "test.pb.h"
+
+PB_STATIC_ASSERT(testmessage_size >= 1+1+1+1+16, TESTMESSAGE_SIZE_IS_WRONG)
+
+int main()
+{
+    return 0;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_172/submessage/submessage.options b/libs/nanopb/tests/regression/issue_172/submessage/submessage.options
new file mode 100644
index 0000000..12fb198
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_172/submessage/submessage.options
@@ -0,0 +1 @@
+submessage.data max_size: 16
diff --git a/libs/nanopb/tests/regression/issue_172/submessage/submessage.proto b/libs/nanopb/tests/regression/issue_172/submessage/submessage.proto
new file mode 100644
index 0000000..ce6804a
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_172/submessage/submessage.proto
@@ -0,0 +1,4 @@
+syntax = "proto2";
+message submessage {
+    required bytes data = 1;
+}
diff --git a/libs/nanopb/tests/regression/issue_172/test.proto b/libs/nanopb/tests/regression/issue_172/test.proto
new file mode 100644
index 0000000..fbd97be
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_172/test.proto
@@ -0,0 +1,6 @@
+syntax = "proto2";
+import "submessage.proto";
+
+message testmessage {
+ optional submessage sub = 1;
+}
diff --git a/libs/nanopb/tests/regression/issue_188/SConscript b/libs/nanopb/tests/regression/issue_188/SConscript
new file mode 100644
index 0000000..6bc3271
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_188/SConscript
@@ -0,0 +1,6 @@
+# Regression test for issue with Enums inside OneOf.
+
+Import('env')
+
+env.NanopbProto('oneof')
+
diff --git a/libs/nanopb/tests/regression/issue_188/oneof.proto b/libs/nanopb/tests/regression/issue_188/oneof.proto
new file mode 100644
index 0000000..e37f5c0
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_188/oneof.proto
@@ -0,0 +1,29 @@
+syntax = "proto2";
+
+message MessageOne
+{
+    required uint32 one = 1;
+    required uint32 two = 2;
+    required uint32 three = 3;
+    required int32 four = 4;
+}
+
+enum EnumTwo
+{
+    SOME_ENUM_1 = 1;
+    SOME_ENUM_2 = 5;
+    SOME_ENUM_3 = 6;
+    SOME_ENUM_4 = 9;
+    SOME_ENUM_5 = 10;
+    SOME_ENUM_6 = 12;
+    SOME_ENUM_7 = 39;  
+    SOME_ENUM_8 = 401;
+}
+
+message OneofMessage
+{
+    oneof payload {
+        MessageOne message = 1;
+        EnumTwo enum = 2;
+    }
+}
diff --git a/libs/nanopb/tests/regression/issue_195/SConscript b/libs/nanopb/tests/regression/issue_195/SConscript
new file mode 100644
index 0000000..78326d3
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_195/SConscript
@@ -0,0 +1,10 @@
+# Regression test for Issue 195: Message size not calculated if a submessage includes 
+# bytes. Basically a non-working #define being generated.
+
+Import("env")
+
+env.NanopbProto(["test"])
+env.Object('test.pb.c')
+
+env.Match(['test.pb.h', 'test.expected'])
+
diff --git a/libs/nanopb/tests/regression/issue_195/test.expected b/libs/nanopb/tests/regression/issue_195/test.expected
new file mode 100644
index 0000000..83ea7ab
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_195/test.expected
@@ -0,0 +1 @@
+/\* TestMessage_size depends
diff --git a/libs/nanopb/tests/regression/issue_195/test.proto b/libs/nanopb/tests/regression/issue_195/test.proto
new file mode 100644
index 0000000..7a77d69
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_195/test.proto
@@ -0,0 +1,8 @@
+message TestMessage {
+    required uint32 id = 1;
+    required bytes payload = 2;
+}
+message EncapsulatedMessage {
+    required uint32 id = 1;
+    required TestMessage test = 2;
+}
diff --git a/libs/nanopb/tests/regression/issue_203/SConscript b/libs/nanopb/tests/regression/issue_203/SConscript
new file mode 100644
index 0000000..8b4d6cc
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_203/SConscript
@@ -0,0 +1,9 @@
+# Regression test for issue with multiple files generated at once
+
+Import('env')
+
+env.Command(['file1.pb.c', 'file1.pb.h', 'file2.pb.c', 'file2.pb.h'], ['file1.proto', 'file2.proto'],
+            env['NANOPB_PROTO_CMD'])
+
+env.Object('file1.pb.c')
+env.Object('file2.pb.c')
diff --git a/libs/nanopb/tests/regression/issue_203/file1.proto b/libs/nanopb/tests/regression/issue_203/file1.proto
new file mode 100644
index 0000000..dae250b
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_203/file1.proto
@@ -0,0 +1,10 @@
+syntax = "proto2";
+
+message SubMessage1 {
+	required int32 foo = 1;
+}
+
+message Message1 {
+	required SubMessage1 bar = 1;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_203/file2.proto b/libs/nanopb/tests/regression/issue_203/file2.proto
new file mode 100644
index 0000000..513b0f0
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_203/file2.proto
@@ -0,0 +1,10 @@
+syntax = "proto2";
+
+message SubMessage2 {
+	required int32 foo = 1;
+}
+
+message Message2 {
+	required SubMessage2 bar = 1;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_205/SConscript b/libs/nanopb/tests/regression/issue_205/SConscript
new file mode 100644
index 0000000..ed8899d
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_205/SConscript
@@ -0,0 +1,14 @@
+# Check that pb_release() correctly handles corrupted size fields of
+# static arrays.
+
+Import('env', 'malloc_env')
+
+env.NanopbProto('size_corruption')
+
+p = malloc_env.Program(["size_corruption.c",
+                         "size_corruption.pb.c",
+                         "$COMMON/pb_decode_with_malloc.o",
+                         "$COMMON/pb_common_with_malloc.o",
+                         "$COMMON/malloc_wrappers.o"])
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_205/size_corruption.c b/libs/nanopb/tests/regression/issue_205/size_corruption.c
new file mode 100644
index 0000000..08cef45
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_205/size_corruption.c
@@ -0,0 +1,12 @@
+#include "size_corruption.pb.h"
+#include <pb_decode.h>
+
+int main()
+{
+    MainMessage msg = MainMessage_init_zero;
+    msg.bar_count = (pb_size_t)-1;
+    pb_release(MainMessage_fields, &msg);
+    
+    return 0;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_205/size_corruption.proto b/libs/nanopb/tests/regression/issue_205/size_corruption.proto
new file mode 100644
index 0000000..6c9c245
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_205/size_corruption.proto
@@ -0,0 +1,11 @@
+syntax = "proto2";
+import 'nanopb.proto';
+
+message SubMessage {
+    repeated int32 foo = 1 [(nanopb).type = FT_POINTER];
+}
+
+message MainMessage {
+    repeated SubMessage bar = 1 [(nanopb).max_count = 5];
+}
+
diff --git a/libs/nanopb/tests/regression/issue_227/SConscript b/libs/nanopb/tests/regression/issue_227/SConscript
new file mode 100644
index 0000000..1074124
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_227/SConscript
@@ -0,0 +1,14 @@
+# Regression test for Issue 227:Using proto3 type fields can cause unaligned access
+# NOTE: This test will only detect problems when run with clang sanitizer (which
+# is done regularly by a jenkins run).
+
+Import('env')
+
+env.NanopbProto('unaligned_uint64')
+
+p = env.Program(["unaligned_uint64.c",
+                 "unaligned_uint64.pb.c",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_227/unaligned_uint64.c b/libs/nanopb/tests/regression/issue_227/unaligned_uint64.c
new file mode 100644
index 0000000..17c1d77
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_227/unaligned_uint64.c
@@ -0,0 +1,14 @@
+#include "unaligned_uint64.pb.h"
+#include <pb_encode.h>
+
+int main()
+{
+    uint8_t buf[128];
+    pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));
+    MainMessage msg = MainMessage_init_zero;
+    msg.bar[0] = 'A';
+    pb_encode(&stream, MainMessage_fields, &msg);
+    
+    return 0;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_227/unaligned_uint64.proto b/libs/nanopb/tests/regression/issue_227/unaligned_uint64.proto
new file mode 100644
index 0000000..f0269f6
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_227/unaligned_uint64.proto
@@ -0,0 +1,8 @@
+syntax = "proto3";
+import 'nanopb.proto';
+
+message MainMessage {
+    string foo = 1 [(nanopb).max_size = 3];
+    string bar = 2 [(nanopb).max_size = 8];
+}
+
diff --git a/libs/nanopb/tests/regression/issue_229/SConscript b/libs/nanopb/tests/regression/issue_229/SConscript
new file mode 100644
index 0000000..b0f8376
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_229/SConscript
@@ -0,0 +1,13 @@
+# Regression test for Issue 229: problem encoding message that has
+# multiple oneof fields
+Import('env')
+
+env.NanopbProto('multiple_oneof')
+
+p = env.Program(["multiple_oneof.c",
+                 "multiple_oneof.pb.c",
+                 "$COMMON/pb_decode.o",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_229/multiple_oneof.c b/libs/nanopb/tests/regression/issue_229/multiple_oneof.c
new file mode 100644
index 0000000..902248d
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_229/multiple_oneof.c
@@ -0,0 +1,35 @@
+#include "multiple_oneof.pb.h"
+#include <unittests.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+
+int main()
+{
+    int status = 0;
+    uint8_t buf[128];
+    size_t msglen;
+
+    {
+        pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));
+        MainMessage msg = MainMessage_init_zero;
+        msg.which_oneof1 = MainMessage_oneof1_uint32_tag;
+        msg.oneof1.oneof1_uint32 = 1234;
+        msg.which_oneof2 = MainMessage_oneof2_uint32_tag;
+        msg.oneof2.oneof2_uint32 = 5678;
+        TEST(pb_encode(&stream, MainMessage_fields, &msg));
+        msglen = stream.bytes_written;
+    }
+    
+    {
+        pb_istream_t stream = pb_istream_from_buffer(buf, msglen);
+        MainMessage msg = MainMessage_init_zero;
+        TEST(pb_decode(&stream, MainMessage_fields, &msg));
+        TEST(msg.which_oneof1 == MainMessage_oneof1_uint32_tag);
+        TEST(msg.oneof1.oneof1_uint32 == 1234);
+        TEST(msg.which_oneof2 == MainMessage_oneof2_uint32_tag);
+        TEST(msg.oneof2.oneof2_uint32 == 5678);
+    }
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_229/multiple_oneof.proto b/libs/nanopb/tests/regression/issue_229/multiple_oneof.proto
new file mode 100644
index 0000000..22373e1
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_229/multiple_oneof.proto
@@ -0,0 +1,11 @@
+syntax = "proto2";
+
+message MainMessage {
+    oneof oneof1 {
+        uint32 oneof1_uint32 = 1;
+    }
+    oneof oneof2 {
+        uint32 oneof2_uint32 = 2;
+    }
+}
+
diff --git a/libs/nanopb/tests/regression/issue_242/SConscript b/libs/nanopb/tests/regression/issue_242/SConscript
new file mode 100644
index 0000000..000063e
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_242/SConscript
@@ -0,0 +1,13 @@
+# Regression test for Issue 242: pb_encode does not encode tag for
+# extension fields that is all zeros
+Import('env')
+
+env.NanopbProto('zero_value')
+
+p = env.Program(["zero_value.c",
+                 "zero_value.pb.c",
+                 "$COMMON/pb_decode.o",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_242/zero_value.c b/libs/nanopb/tests/regression/issue_242/zero_value.c
new file mode 100644
index 0000000..b3d96b7
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_242/zero_value.c
@@ -0,0 +1,51 @@
+#include <unittests.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+#include <string.h>
+#include "zero_value.pb.h"
+
+int main()
+{
+    int status = 0;
+    
+    COMMENT("Test extension fields with zero values");
+    {
+        uint8_t buffer[256] = {0};
+        pb_ostream_t ostream;
+        int32_t value = 0;
+        Extendable source = {0};
+
+        pb_extension_t source_ext = {0};
+        source_ext.type = &opt_int32;
+        source_ext.dest = &value;
+        source.extensions = &source_ext;
+
+        ostream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+        TEST(pb_encode(&ostream, Extendable_fields, &source));
+
+        TEST(ostream.bytes_written == 2);
+        TEST(memcmp(buffer, "\x58\x00", 2) == 0);
+    }
+    
+    /* Note: There never was a bug here, but this check is included
+     * in the regression test because the logic is closely related.
+     */
+    COMMENT("Test pointer fields with zero values");
+    {
+        uint8_t buffer[256] = {0};
+        pb_ostream_t ostream;
+        int32_t value = 0;
+        PointerMessage source = {0};
+
+        source.opt_int32 = &value;
+
+        ostream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+        TEST(pb_encode(&ostream, PointerMessage_fields, &source));
+
+        TEST(ostream.bytes_written == 2);
+        TEST(memcmp(buffer, "\x58\x00", 2) == 0);
+    }    
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_242/zero_value.proto b/libs/nanopb/tests/regression/issue_242/zero_value.proto
new file mode 100644
index 0000000..020a39a
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_242/zero_value.proto
@@ -0,0 +1,15 @@
+syntax = "proto2";
+import "nanopb.proto";
+
+message Extendable {
+    extensions 10 to 100;
+}
+
+extend Extendable {
+    optional int32 opt_int32 = 11;
+}
+
+message PointerMessage {
+    optional int32 opt_int32 = 11 [(nanopb).type = FT_POINTER];
+}
+
diff --git a/libs/nanopb/tests/regression/issue_247/SConscript b/libs/nanopb/tests/regression/issue_247/SConscript
new file mode 100644
index 0000000..b41e9f2
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_247/SConscript
@@ -0,0 +1,14 @@
+# Test that pb_check_proto3_default_value() correctly skips padding
+# bytes in submessage structures.
+
+Import("env")
+
+env.NanopbProto("padding")
+
+p = env.Program(["padding.c",
+                 "padding.pb.c",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_247/padding.c b/libs/nanopb/tests/regression/issue_247/padding.c
new file mode 100644
index 0000000..8860179
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_247/padding.c
@@ -0,0 +1,32 @@
+#include <pb_encode.h>
+#include <unittests.h>
+#include <string.h>
+#include "padding.pb.h"
+
+int main()
+{
+    int status = 0;
+    
+    TestMessage msg;
+    
+    /* Set padding bytes to garbage */
+    memset(&msg, 0xAA, sizeof(msg));
+    
+    /* Set all meaningful fields to 0 */
+    msg.submsg.boolfield = false;
+    msg.submsg.intfield = 0;
+    
+    /* Test encoding */
+    {
+        pb_byte_t buf[128] = {0};
+        pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));
+        TEST(pb_encode(&stream, TestMessage_fields, &msg));
+        
+        /* Because all fields have zero values, proto3 encoder
+         * shouldn't write out anything. */
+        TEST(stream.bytes_written == 0);
+    }
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_247/padding.proto b/libs/nanopb/tests/regression/issue_247/padding.proto
new file mode 100644
index 0000000..20bddac
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_247/padding.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+import "nanopb.proto";
+
+message SubMessage {
+    bool boolfield = 1;
+    int64 intfield = 2;
+}
+
+message TestMessage {
+    SubMessage submsg = 1;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_249/SConscript b/libs/nanopb/tests/regression/issue_249/SConscript
new file mode 100644
index 0000000..ba66712
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_249/SConscript
@@ -0,0 +1,12 @@
+# Regression test for Issue 249: proto3 mode pb_decode() corrupts callback fields
+Import('env')
+
+env.NanopbProto('test')
+
+p = env.Program(["test.c",
+                 "test.pb.c",
+                 "$COMMON/pb_decode.o",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+env.RunTest(p)
+
diff --git a/libs/nanopb/tests/regression/issue_249/test.c b/libs/nanopb/tests/regression/issue_249/test.c
new file mode 100644
index 0000000..a37180f
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_249/test.c
@@ -0,0 +1,59 @@
+#include "test.pb.h"
+#include <unittests.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+
+static bool write_array(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
+{
+    int i;
+    for (i = 0; i < 5; i++)
+    {
+        if (!pb_encode_tag_for_field(stream, field))
+            return false;
+        if (!pb_encode_varint(stream, 1000 + i))
+            return false;
+    }
+    
+    return true;
+}
+
+static bool read_array(pb_istream_t *stream, const pb_field_t *field, void **arg)
+{
+    uint32_t i;
+    int *sum = *arg;
+    
+    if (!pb_decode_varint32(stream, &i))
+        return false;
+    
+    *sum += i;
+    
+    return true;
+}
+
+int main()
+{
+    int status = 0;
+    pb_byte_t buf[128] = {0};
+    pb_size_t msglen;
+    
+    {
+        MainMessage msg = MainMessage_init_zero;
+        pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));
+        msg.submsg.foo.funcs.encode = &write_array;
+        TEST(pb_encode(&stream, MainMessage_fields, &msg));
+        msglen = stream.bytes_written;
+    }
+    
+    {
+        MainMessage msg = MainMessage_init_zero;
+        pb_istream_t stream = pb_istream_from_buffer(buf, msglen);
+        int sum = 0;
+        msg.submsg.foo.funcs.decode = &read_array;
+        msg.submsg.foo.arg = &sum;
+        TEST(pb_decode(&stream, MainMessage_fields, &msg));
+        TEST(sum == 1000 + 1001 + 1002 + 1003 + 1004);
+    }
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_249/test.proto b/libs/nanopb/tests/regression/issue_249/test.proto
new file mode 100644
index 0000000..eaa2abd
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_249/test.proto
@@ -0,0 +1,10 @@
+syntax = "proto3";
+
+message SubMessage {
+    repeated int32 foo = 1;
+}
+
+message MainMessage {
+    SubMessage submsg = 1;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_253/SConscript b/libs/nanopb/tests/regression/issue_253/SConscript
new file mode 100644
index 0000000..5a16948
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_253/SConscript
@@ -0,0 +1,15 @@
+# Regression test for Issue 253: Wrong calculated message maximum size
+
+Import('env')
+
+env.NanopbProto('short_array')
+
+p = env.Program(['short_array.c',
+                 'short_array.pb.c', 
+                 "$COMMON/pb_decode.o",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+
+env.RunTest(p)
+
+
diff --git a/libs/nanopb/tests/regression/issue_253/short_array.c b/libs/nanopb/tests/regression/issue_253/short_array.c
new file mode 100644
index 0000000..5ed6c3f
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_253/short_array.c
@@ -0,0 +1,24 @@
+#include <unittests.h>
+#include <pb_encode.h>
+#include "short_array.pb.h"
+
+int main()
+{
+    int status = 0;
+    
+    COMMENT("Test message length calculation for short arrays");
+    {
+        uint8_t buffer[TestMessage_size] = {0};
+        pb_ostream_t ostream = pb_ostream_from_buffer(buffer, TestMessage_size);
+        TestMessage msg = TestMessage_init_zero;
+        
+        msg.rep_uint32_count = 1;
+        msg.rep_uint32[0] = (1 << 31);
+        
+        TEST(pb_encode(&ostream, TestMessage_fields, &msg));
+        TEST(ostream.bytes_written == TestMessage_size);
+    }
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_253/short_array.proto b/libs/nanopb/tests/regression/issue_253/short_array.proto
new file mode 100644
index 0000000..5a5d8a3
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_253/short_array.proto
@@ -0,0 +1,7 @@
+syntax = "proto2";
+import "nanopb.proto";
+
+message TestMessage {
+    repeated uint32 rep_uint32 = 1 [(nanopb).max_count = 1];
+}
+
diff --git a/libs/nanopb/tests/regression/issue_256/SConscript b/libs/nanopb/tests/regression/issue_256/SConscript
new file mode 100644
index 0000000..b2c3e86
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_256/SConscript
@@ -0,0 +1,16 @@
+# Regression test for Issue 256: Proto3 mode skips submessages even when
+# later array fields have non-zero value
+
+Import('env')
+
+env.NanopbProto('submsg_array')
+
+p = env.Program(['submsg_array.c',
+                 'submsg_array.pb.c', 
+                 "$COMMON/pb_decode.o",
+                 "$COMMON/pb_encode.o",
+                 "$COMMON/pb_common.o"])
+
+env.RunTest(p)
+
+
diff --git a/libs/nanopb/tests/regression/issue_256/submsg_array.c b/libs/nanopb/tests/regression/issue_256/submsg_array.c
new file mode 100644
index 0000000..c63bd30
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_256/submsg_array.c
@@ -0,0 +1,38 @@
+#include <unittests.h>
+#include <pb_encode.h>
+#include <pb_decode.h>
+#include "submsg_array.pb.h"
+
+int main()
+{
+    int status = 0;
+    
+    COMMENT("Test encoding for submessage with array");
+    {
+        uint8_t buffer[TestMessage_size] = {0};
+        pb_ostream_t ostream = pb_ostream_from_buffer(buffer, TestMessage_size);
+        TestMessage msg = TestMessage_init_zero;
+        
+        msg.submsg.rep_uint32_count = 3;
+        msg.submsg.rep_uint32[0] = 0;
+        msg.submsg.rep_uint32[1] = 1;
+        msg.submsg.rep_uint32[2] = 2;
+        
+        TEST(pb_encode(&ostream, TestMessage_fields, &msg));
+        TEST(ostream.bytes_written > 0);
+        
+        {
+            pb_istream_t istream = pb_istream_from_buffer(buffer, ostream.bytes_written);
+            TestMessage msg2 = TestMessage_init_zero;
+
+            TEST(pb_decode(&istream, TestMessage_fields, &msg2));
+            TEST(msg2.submsg.rep_uint32_count == 3);
+            TEST(msg2.submsg.rep_uint32[0] == 0);
+            TEST(msg2.submsg.rep_uint32[1] == 1);
+            TEST(msg2.submsg.rep_uint32[2] == 2);
+        }
+    }
+    
+    return status;
+}
+
diff --git a/libs/nanopb/tests/regression/issue_256/submsg_array.proto b/libs/nanopb/tests/regression/issue_256/submsg_array.proto
new file mode 100644
index 0000000..4964a05
--- /dev/null
+++ b/libs/nanopb/tests/regression/issue_256/submsg_array.proto
@@ -0,0 +1,11 @@
+syntax = "proto3";
+import "nanopb.proto";
+
+message SubMessage {
+    repeated uint32 rep_uint32 = 1 [(nanopb).max_count = 3];
+}
+
+message TestMessage {
+    SubMessage submsg = 1;
+}
+