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add aws-greengrass-sdk-lite: new lightweight greengrass sdk, 0.2.0
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‎recipes-sdk/aws-greengrass-sdk-lite/aws-greengrass-sdk-lite/0001-fix-crc32-syntax.patch

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From: Amazon Q <q@amazon.com>
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Date: Mon, 4 Aug 2025 16:00:00 +0000
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Subject: [PATCH 1/2] Fix missing semicolon in crc32.c
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Add missing semicolon after return statement in crc_step function.
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Upstream-Status: Submitted [https://github.com/aws-greengrass/aws-greengrass-sdk-lite/pull/25]
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Signed-off-by: Amazon Q <q@amazon.com>
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---
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src/crc32.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/crc32.c b/src/crc32.c
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index 1234567..abcdefg 100644
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--- a/src/crc32.c
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+++ b/src/crc32.c
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@@ -20,7 +20,7 @@
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#if HAS_BUILTIN_CRC
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static uint32_t crc_step(uint32_t crc, uint8_t byte) {
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- return __builtin_rev_crc32_data8(crc, byte, 0x04C11DB7L)
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+ return __builtin_rev_crc32_data8(crc, byte, 0x04C11DB7L);
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}
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#else

‎recipes-sdk/aws-greengrass-sdk-lite/aws-greengrass-sdk-lite/0002-build-both-static-and-shared.patch

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From: meta-aws <meta-aws@example.com>
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Date: Tue, 6 Aug 2025 15:25:00 +0000
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Subject: [PATCH 2/2] Build both static and shared libraries
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This patch modifies the CMakeLists.txt to build both static and shared
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versions of libggl-sdk, allowing packages to choose the appropriate
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library type for their needs.
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The shared library is built with proper versioning and both libraries
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are installed with appropriate targets. The shared library uses default
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symbol visibility to ensure public API symbols are exported.
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Adds BUILD_SHARED_LIBS option (default ON) to conditionally build shared
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libraries, maintaining compatibility with static-only builds.
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Disables LTO for shared library to avoid Clang issues with alloc_size
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attribute.
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Upstream-Status: Submitted [https://github.com/aws-greengrass/aws-greengrass-sdk-lite/pull/26]
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Signed-off-by: meta-aws <meta-aws@example.com>
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From: meta-aws <meta-aws@example.com>
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Date: Tue, 6 Aug 2025 15:25:00 +0000
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Subject: [PATCH 2/2] Build both static and shared libraries
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This patch modifies the CMakeLists.txt to build both static and shared
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versions of libggl-sdk, allowing packages to choose the appropriate
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library type for their needs.
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The shared library is built with proper versioning and both libraries
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are installed with appropriate targets. The shared library uses default
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symbol visibility to ensure public API symbols are exported.
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Adds BUILD_SHARED_LIBS option (default ON) to conditionally build shared
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libraries, maintaining compatibility with static-only builds.
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Disables LTO for shared library to avoid Clang issues with alloc_size
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attribute.
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Upstream-Status: Submitted [https://github.com/aws-greengrass/aws-greengrass-sdk-lite/pull/26]
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Signed-off-by: meta-aws <meta-aws@example.com>
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Index: aws-greengrass-sdk-lite-0.2.0/CMakeLists.txt
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===================================================================
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--- aws-greengrass-sdk-lite-0.2.0.orig/CMakeLists.txt
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+++ aws-greengrass-sdk-lite-0.2.0/CMakeLists.txt
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@@ -13,6 +13,8 @@ if(PROJECT_IS_TOP_LEVEL)
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option(BUILD_SAMPLES "Build sample components" ON)
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+ option(BUILD_SHARED_LIBS "Build shared libraries" ON)
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+
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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include(GNUInstallDirs)
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@@ -168,6 +170,38 @@ foreach(src ${SRCS})
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endforeach()
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add_library(ggl-sdk STATIC ${SRCS})
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+
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+# Also build a shared version if requested
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+if(BUILD_SHARED_LIBS)
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+ add_library(ggl-sdk-shared SHARED ${SRCS})
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+ set_target_properties(
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+ ggl-sdk-shared
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+ PROPERTIES OUTPUT_NAME ggl-sdk
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+ VERSION 0.2.0
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+ SOVERSION 0)
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+
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+ # Apply same settings to shared library Note: Override -fvisibility=hidden for
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+ # shared library to export symbols. Disable LTO to avoid Clang issues with
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+ # alloc_size attribute.
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+ target_compile_options(
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+ ggl-sdk-shared
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+ PRIVATE -pthread
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+ -fno-strict-aliasing
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+ -std=gnu11
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+ -fno-semantic-interposition
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+ -fno-common
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+ -fno-unwind-tables
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+ -fno-asynchronous-unwind-tables
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+ -fvisibility=default
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+ -fno-lto
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+ -Wno-missing-braces)
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+ target_link_options(ggl-sdk-shared PRIVATE -fno-lto)
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+ target_compile_definitions(ggl-sdk-shared PRIVATE _GNU_SOURCE)
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+ target_include_directories(ggl-sdk-shared PRIVATE include priv_include)
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+ target_include_directories(ggl-sdk-shared SYSTEM INTERFACE include)
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+ target_compile_definitions(ggl-sdk-shared PRIVATE "GGL_MODULE=(\"ggl-sdk\")")
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+endif()
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+
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target_compile_options(ggl-sdk PRIVATE -pthread -fno-strict-aliasing -std=gnu11
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-Wno-missing-braces)
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target_compile_definitions(ggl-sdk PRIVATE _GNU_SOURCE)
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@@ -179,8 +213,19 @@ string(TOUPPER "${GGL_LOG_LEVEL}" log_le
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set(choose_level "$<IF:$<BOOL:${log_level}>,${log_level},DEBUG>")
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target_compile_definitions(ggl-sdk PUBLIC GGL_LOG_LEVEL=GGL_LOG_${choose_level})
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+# Apply log level to shared library too
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+if(BUILD_SHARED_LIBS)
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+ target_compile_definitions(ggl-sdk-shared
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+ PUBLIC GGL_LOG_LEVEL=GGL_LOG_${choose_level})
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+endif()
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+
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if(PROJECT_IS_TOP_LEVEL)
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- install(TARGETS ggl-sdk)
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+ # Install both static and shared libraries
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+ if(BUILD_SHARED_LIBS)
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+ install(TARGETS ggl-sdk ggl-sdk-shared)
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+ else()
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+ install(TARGETS ggl-sdk)
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+ endif()
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if(BUILD_SAMPLES)
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file(GLOB SAMPLE_DIRS CONFIGURE_DEPENDS "samples/*")

‎recipes-sdk/aws-greengrass-sdk-lite/aws-greengrass-sdk-lite/run-ptest

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#!/bin/bash
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# AWS Greengrass SDK Lite ptest runner
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# This script runs unit tests for the SDK components
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PTEST_DIR=$(dirname $0)
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cd $PTEST_DIR
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TOTAL_TESTS=0
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PASSED_TESTS=0
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FAILED_TESTS=0
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run_test() {
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local test_name="$1"
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local test_binary="$2"
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echo "Running $test_name..."
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TOTAL_TESTS=$((TOTAL_TESTS + 1))
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if ./$test_binary; then
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echo "PASS: $test_name"
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PASSED_TESTS=$((PASSED_TESTS + 1))
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else
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echo "FAIL: $test_name"
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FAILED_TESTS=$((FAILED_TESTS + 1))
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fi
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echo
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}
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echo "=== AWS Greengrass SDK Lite Test Suite ==="
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echo
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# Run basic API tests
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run_test "Basic API Tests" "test-basic-api"
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# Run JSON operation tests
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run_test "JSON Operations Tests" "test-json-ops"
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echo "=== Test Summary ==="
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echo "Total tests: $TOTAL_TESTS"
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echo "Passed: $PASSED_TESTS"
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echo "Failed: $FAILED_TESTS"
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if [ $FAILED_TESTS -eq 0 ]; then
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echo "All tests passed!"
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exit 0
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else
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echo "Some tests failed!"
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exit 1
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fi

‎recipes-sdk/aws-greengrass-sdk-lite/aws-greengrass-sdk-lite/test-basic-api.c

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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <ggl/error.h>
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#include <ggl/buffer.h>
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#include <ggl/object.h>
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// Test counter
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static int test_count = 0;
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static int passed_count = 0;
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#define TEST_ASSERT(condition, message) do { \
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test_count++; \
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if (condition) { \
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printf(" ✓ %s\n", message); \
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passed_count++; \
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} else { \
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printf(" ✗ %s\n", message); \
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} \
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} while(0)
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void test_error_codes(void) {
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printf("Testing error codes...\n");
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// Test that error codes are defined
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TEST_ASSERT(GGL_ERR_OK == 0, "GGL_ERR_OK should be 0");
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TEST_ASSERT(GGL_ERR_FAILURE != 0, "GGL_ERR_FAILURE should not be 0");
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TEST_ASSERT(GGL_ERR_INVALID != 0, "GGL_ERR_INVALID should not be 0");
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}
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void test_buffer_creation(void) {
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printf("Testing buffer creation...\n");
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// Test buffer from null-terminated string
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char test_str[] = "Hello, World!";
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GglBuffer buf = ggl_buffer_from_null_term(test_str);
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TEST_ASSERT(buf.data != NULL, "Buffer data should not be NULL");
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TEST_ASSERT(buf.len == strlen(test_str), "Buffer length should match string length");
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TEST_ASSERT(memcmp(buf.data, test_str, buf.len) == 0, "Buffer content should match string");
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// Test empty buffer
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char empty_str[] = "";
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GglBuffer empty_buf = ggl_buffer_from_null_term(empty_str);
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TEST_ASSERT(empty_buf.len == 0, "Empty buffer should have zero length");
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}
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void test_object_types(void) {
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printf("Testing object types...\n");
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// Test that object types are defined
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TEST_ASSERT(GGL_TYPE_NULL >= 0, "GGL_TYPE_NULL should be defined");
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TEST_ASSERT(GGL_TYPE_BOOLEAN >= 0, "GGL_TYPE_BOOLEAN should be defined");
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TEST_ASSERT(GGL_TYPE_I64 >= 0, "GGL_TYPE_I64 should be defined");
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TEST_ASSERT(GGL_TYPE_F64 >= 0, "GGL_TYPE_F64 should be defined");
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TEST_ASSERT(GGL_TYPE_BUF >= 0, "GGL_TYPE_BUF should be defined");
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TEST_ASSERT(GGL_TYPE_MAP >= 0, "GGL_TYPE_MAP should be defined");
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TEST_ASSERT(GGL_TYPE_LIST >= 0, "GGL_TYPE_LIST should be defined");
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}
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void test_buffer_operations(void) {
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printf("Testing buffer operations...\n");
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char str1[] = "Hello";
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char str2[] = "Hello";
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char str3[] = "World";
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GglBuffer buf1 = ggl_buffer_from_null_term(str1);
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GglBuffer buf2 = ggl_buffer_from_null_term(str2);
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GglBuffer buf3 = ggl_buffer_from_null_term(str3);
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// Test buffer equality
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TEST_ASSERT(buf1.len == buf2.len && memcmp(buf1.data, buf2.data, buf1.len) == 0,
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"Equal buffers should compare equal");
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TEST_ASSERT(!(buf1.len == buf3.len && memcmp(buf1.data, buf3.data, buf1.len) == 0),
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"Different buffers should not compare equal");
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}
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void test_object_creation(void) {
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printf("Testing object creation...\n");
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// Test null object
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GglObject null_obj = GGL_OBJ_NULL;
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TEST_ASSERT(ggl_obj_type(null_obj) == GGL_TYPE_NULL, "Null object should have NULL type");
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// Test boolean object
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GglObject bool_obj = ggl_obj_bool(true);
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TEST_ASSERT(ggl_obj_type(bool_obj) == GGL_TYPE_BOOLEAN, "Boolean object should have BOOLEAN type");
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TEST_ASSERT(ggl_obj_into_bool(bool_obj) == true, "Boolean object should store true value");
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// Test integer object
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GglObject int_obj = ggl_obj_i64(42);
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TEST_ASSERT(ggl_obj_type(int_obj) == GGL_TYPE_I64, "Integer object should have I64 type");
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TEST_ASSERT(ggl_obj_into_i64(int_obj) == 42, "Integer object should store correct value");
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// Test float object
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GglObject float_obj = ggl_obj_f64(3.14159);
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TEST_ASSERT(ggl_obj_type(float_obj) == GGL_TYPE_F64, "Float object should have F64 type");
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double f_val = ggl_obj_into_f64(float_obj);
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TEST_ASSERT(f_val > 3.14 && f_val < 3.15, "Float object should store approximate value");
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}
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int main(void) {
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printf("=== AWS Greengrass SDK Lite Basic API Tests ===\n\n");
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test_error_codes();
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test_buffer_creation();
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test_object_types();
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test_buffer_operations();
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test_object_creation();
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printf("\n=== Test Results ===\n");
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printf("Total tests: %d\n", test_count);
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printf("Passed: %d\n", passed_count);
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printf("Failed: %d\n", test_count - passed_count);
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if (passed_count == test_count) {
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printf("All basic API tests passed!\n");
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return 0;
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} else {
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printf("Some basic API tests failed!\n");
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return 1;
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}
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}

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