diff --git a/src/encode/GNUmakefile b/src/encode/GNUmakefile
index 978f94c54250066dbd9c53b031301703fcb881be..5d0012c471d1ca8eb1540530dd8320da3f50b929 100644
--- a/src/encode/GNUmakefile
+++ b/src/encode/GNUmakefile
@@ -18,3 +18,6 @@ endif
 	$(QUIET)$(AR) rc $@ $(OBJS)
 	$(QUIET)$(RANLIB) $@
 
+# Test build
+lzh${EXEFILE}: lzh.c
+	$(QUIET)$(CC) -std=c11 $(CFLAGS) -DLZH_TEST $(CCFLAGS) -o $@ $<
diff --git a/src/encode/lzh.c b/src/encode/lzh.c
index 95791fa678888c32d7a527b8deab564a1cc64421..36910c2284da4dd3f7416265dce7055dac36111c 100644
--- a/src/encode/lzh.c
+++ b/src/encode/lzh.c
@@ -763,4 +763,60 @@ int32_t lzh_decode(uint8_t *inbuf, int32_t inlen, uint8_t *outbuf)
 return(count);
 }
 
+#ifdef LZH_TEST
+
+const char plaintext[] =
+    "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmodi "
+    "tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim "
+    "veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea "
+    "commodo consequat. Duis aute irure dolor in reprehenderit in voluptate "
+    "velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint "
+    "occaecat cupidatat non proident, sunt in culpa qui officia deserunt "
+    "mollit anim id est laborum.";
+
+const char compressed[] = {
+    0xbe, 0x01, 0x00, 0x00, 0xec, 0x7e, 0xff, 0xdf,  0x1f, 0xce, 0xb3, 0xeb, 0xfc, 0xff, 0x80, 0xe0, 
+    0xe0, 0x7c, 0x31, 0x3f, 0x16, 0xb0, 0xed, 0x5e,  0xdf, 0x80, 0x5b, 0xf6, 0xd6, 0xc2, 0xb5, 0xdc, 
+    0x53, 0xef, 0xb9, 0xfa, 0xa3, 0x56, 0xc2, 0xa5,  0x6a, 0xb7, 0x95, 0x29, 0xb4, 0xbb, 0xa3, 0x7d, 
+    0x46, 0xbc, 0xf8, 0x67, 0xfe, 0x74, 0x43, 0x75,  0x2d, 0xc0, 0x39, 0x04, 0x71, 0xa2, 0x46, 0x14, 
+    0x4b, 0x2c, 0x68, 0x6c, 0xc1, 0x3a, 0x56, 0xbf,  0x33, 0xb0, 0xdd, 0x8f, 0x59, 0x12, 0x93, 0x18, 
+    0x73, 0x72, 0x63, 0x3e, 0xc5, 0xa0, 0x63, 0x75,  0xbe, 0xe8, 0xe4, 0xfb, 0x13, 0x15, 0xcc, 0x9b, 
+    0x4b, 0x97, 0x85, 0x3c, 0x9a, 0x2e, 0x4e, 0x1b,  0x3f, 0xa9, 0xb5, 0xba, 0x7f, 0x84, 0xef, 0x4a, 
+    0x8b, 0x6d, 0x02, 0x70, 0x9c, 0x5d, 0xfc, 0x10,  0x04, 0x88, 0x39, 0xd1, 0xd8, 0x8c, 0x02, 0xec, 
+    0x58, 0x55, 0x45, 0x73, 0xd4, 0x69, 0x52, 0x47,  0xd1, 0x02, 0x08, 0xc3, 0x04, 0xde, 0x45, 0x62, 
+    0xf4, 0x61, 0x82, 0x12, 0xd4, 0x81, 0x26, 0x5b,  0x44, 0x9e, 0xeb, 0xdf, 0xc5, 0x4c, 0xf0, 0x92, 
+    0xf4, 0x83, 0x85, 0x82, 0x82, 0x24, 0x7c, 0x87,  0x93, 0x53, 0x90, 0x68, 0x0f, 0x65, 0x51, 0x9b, 
+    0xc5, 0xe0, 0x9c, 0x92, 0x27, 0x66, 0x40, 0xf8,  0xaf, 0xbe, 0x34, 0xcb, 0xa5, 0x9e, 0xe0, 0x4a, 
+    0x47, 0x33, 0x75, 0x14, 0xd7, 0x0a, 0xef, 0x4f,  0x93, 0x90, 0x84, 0x1b, 0x38, 0x2f, 0xfe, 0xe4, 
+    0x2b, 0xb6, 0x43, 0x38, 0xc9, 0x50, 0xef, 0x6d,  0xb8, 0x25, 0x78, 0xbc, 0xaf, 0x6a, 0x8b, 0x08, 
+    0x80, 0x06, 0x24, 0x10, 0x1e, 0xfc, 0x81, 0xb6,  0x83, 0x40, 0x00, 0xff, 0x4c, 0x03, 0x01, 0xa7, 
+    0x58, 0x1e, 0x53, 0x4a, 0xd8, 0xc4, 0xde, 0x15,  0x8e, 0xfe, 0xca, 0x83, 0xd2, 0xec, 0x3f, 0xee, 
+    0x38, 0x13, 0xe6, 0x2b, 0x7d, 0x77, 0xf8, 0x25,  0x72, 0x8b, 0x6e, 0x17, 0xed, 0xa7, 0xae, 0xee, 
+    0xfa, 0x56, 0x37, 0x25, 0x53, 0x93, 0x17, 0x8a,  0x5d, 0x84, 0xfe, 0xa6, 0xf1, 0xa8, 0xf5, 0xaf, 
+    0xba, 0xf5, 0x66, 0xfe, 0x6b, 0xcd, 0x6c, 0x0e,  0xe3, 0xbd, 0xd6, 0x18, 0xd5, 0xb5, 0x50, 0x7b, 
+    0x2a, 0x3b, 0x67, 0xd2, 0xd7, 0xa6, 0x9f, 0x20
+};
+
+int main(void)
+{
+	int32_t lzh_len;
+	char tmp[sizeof(plaintext)];
+
+	lzh_len = lzh_encode(plaintext, strlen(plaintext), tmp);
+	printf("Compressed Len: %" PRId32 "\n", lzh_len);
+	if (lzh_len != sizeof(compressed))
+		printf("  Expected Len: %zu\n", sizeof(compressed));
+	else
+		if (memcmp(tmp, compressed, lzh_len))
+			printf("  Bytes different\n");
 
+	lzh_len = lzh_decode(compressed, sizeof(compressed), tmp);
+	printf("Uncompressed Size: %" PRId32 "\n", lzh_len);
+	if (lzh_len != strlen(plaintext))
+		printf("  Expected Len: %zu\n", strlen(plaintext));
+	else
+		if (memcmp(tmp, plaintext, lzh_len))
+			printf("  Bytes different\n");
+}
+
+#endif