tests: Add picolibc tests

This adds picolibc-specific configurations for a couple of tests

Signed-off-by: Keith Packard <keithp@keithp.com>

tests/lib/c_lib/testcase.yaml

@@ -2,3 +2,9 @@ tests:
   libraries.libc:
     tags: clib ignore_faults
     platform_exclude: native_posix native_posix_64 nrf52_bsim
+  libraries.picolibc:
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    tags: clib picolibc ignore_faults
+    extra_configs:
+      - CONFIG_PICOLIBC=y
+      - CONFIG_PICOLIBC_ALIGNED_HEAP_SIZE=8192

tests/lib/cbprintf_fp/testcase.yaml

@@ -74,3 +74,27 @@ tests:
       regex:
         - "Hello with fprintfcb"
         - "Complete"
+  lib.cbprintf_fp.printf.picolibc:
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    tags: picolibc
+    extra_configs:
+      - CONFIG_APP_FORMATTER_PRINTF=y
+      - CONFIG_PICOLIBC=y
+    harness_config:
+      type: multi_line
+      ordered: true
+      regex:
+        - "Hello with printf"
+        - "Complete"
+  lib.cbprintf_fp.printfcb.picolibc:
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    tags: picolibc
+    extra_configs:
+      - CONFIG_APP_FORMATTER_PRINTFCB=y
+      - CONFIG_PICOLIBC=y
+    harness_config:
+      type: multi_line
+      ordered: true
+      regex:
+        - "Hello with printfcb"
+        - "Complete"

tests/lib/mem_alloc/prj_picolibc.conf

@@ -0,0 +1,4 @@
+CONFIG_ZTEST=y
+CONFIG_PICOLIBC=y
+CONFIG_PICOLIBC_ALIGNED_HEAP_SIZE=8192
+CONFIG_TEST_USERSPACE=y

tests/lib/mem_alloc/testcase.yaml

@@ -50,3 +50,8 @@ tests:
     - malloc
     - memalloc_max
     - reallocarray
+  libraries.libc.picolibc.mem_alloc:
+    extra_args: CONF_FILE=prj_picolibc.conf
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    platform_exclude: twr_ke18f native_posix_64 nrf52_bsim
+    tags: clib picolibc userspace

tests/lib/sprintf/prj_picolibc.conf

@@ -0,0 +1,3 @@
+CONFIG_ZTEST=y
+CONFIG_PICOLIBC=y
+CONFIG_PICOLIBC_IO_FLOAT=y

tests/lib/sprintf/prj_picolibc_new.conf

@@ -0,0 +1,6 @@
+CONFIG_ZTEST=y
+CONFIG_PICOLIBC=y
+CONFIG_STDOUT_CONSOLE=n
+CONFIG_ZTEST=y
+CONFIG_TEST_USERSPACE=y
+CONFIG_ZTEST_FATAL_HOOK=y

tests/lib/sprintf/testcase.yaml

@@ -26,3 +26,11 @@ tests:
     tags: libc
     testcases:
     - EOF
+  libraries.picolibc.sprintf:
+    extra_args: CONF_FILE=prj_picolibc.conf
+    tags: libc ignore_faults picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED
+  libraries.picolibc.sprintf_new:
+    extra_args: CONF_FILE=prj_picolibc_new.conf
+    tags: libc picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED

tests/misc/print_format/testcase.yaml

@@ -37,3 +37,8 @@ tests:
     filter: TOOLCHAIN_HAS_NEWLIB == 1
     extra_configs:
     - CONFIG_NEWLIB_LIBC=y
+  printk.format.picolibc:
+    tags: clib picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    extra_configs:
+    - CONFIG_PICOLIBC=y

tests/posix/common/testcase.yaml

@@ -43,3 +43,9 @@ tests:
     extra_configs:
       - CONFIG_NEWLIB_LIBC=y
       - CONFIG_TEST_HW_STACK_PROTECTION=n
+  portability.posix.common.picolibc:
+    tags: picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    extra_configs:
+      - CONFIG_PICOLIBC=y
+      - CONFIG_PICOLIBC_ALIGNED_HEAP_SIZE=8192

tests/posix/fs/testcase.yaml

@@ -22,3 +22,13 @@ tests:
     extra_configs:
       - CONFIG_NEWLIB_LIBC=y
       - CONFIG_THREAD_LOCAL_STORAGE=y
+  portability.posix.fs.picolibc:
+    tags: picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    extra_configs:
+      - CONFIG_PICOLIBC=y
+  portability.posix.fs.tls.picolibc:
+    tags: picolibc
+    filter: CONFIG_PICOLIBC_SUPPORTED
+    extra_configs:
+      - CONFIG_PICOLIBC=y