change(esp_libc): rename newlib component to esp_libc

components/esp_libc/test_apps/newlib/main/test_setjmp.c

@@ -0,0 +1,40 @@
+/*
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
+#include <setjmp.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include "unity.h"
+#include "esp_system.h"
+
+typedef struct {
+    jmp_buf jmp_env;
+    uint32_t retval;
+    volatile bool inner_called;
+} setjmp_test_ctx_t;
+
+static __attribute__((noreturn)) void inner(setjmp_test_ctx_t *ctx)
+{
+    printf("inner, retval=0x%" PRIx32 "\n", ctx->retval);
+    ctx->inner_called = true;
+    longjmp(ctx->jmp_env, ctx->retval);
+    TEST_FAIL_MESSAGE("Should not reach here");
+}
+
+TEST_CASE("setjmp and longjmp", "[newlib]")
+{
+    const uint32_t expected = 0x12345678;
+    setjmp_test_ctx_t ctx = {
+        .retval = expected
+    };
+    uint32_t ret = setjmp(ctx.jmp_env);
+    if (!ctx.inner_called) {
+        TEST_ASSERT_EQUAL(0, ret);
+        inner(&ctx);
+    } else {
+        TEST_ASSERT_EQUAL(expected, ret);
+    }
+    TEST_ASSERT(ctx.inner_called);
+}