mbed-os test code generator
diff --git a/tests/Makefile b/tests/Makefile
index a21a0b9..f0da1cf 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -2,7 +2,7 @@
# To compile on SunOS: add "-lsocket -lnsl" to LDFLAGS
# To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS
-CFLAGS ?= -O2
+CFLAGS ?= -g3 #-O2
WARNING_CFLAGS ?= -Wall -W -Wdeclaration-after-statement -Wno-unused-function -Wno-unused-value
LDFLAGS ?=
@@ -184,9 +184,16 @@
C_FILES := $(addsuffix .c,$(APPS))
.SECONDEXPANSION:
-$(C_FILES): %.c: suites/$$(func.$$*).function suites/%.data scripts/generate_code.pl suites/helpers.function suites/main_test.function
+$(C_FILES): %.c: suites/$$(func.$$*).function suites/%.data scripts/gen_mbed_code.py suites/helpers.function suites/mbed_test.function suites/desktop_test.function
echo " Gen $@"
- perl scripts/generate_code.pl suites $(func.$*) $*
+# perl scripts/generate_code.pl suites $(func.$*) $*
+ python scripts/gen_mbed_code.py -f suites/$(func.$*).function \
+ -d suites/$*.data \
+ -t suites/mbed_test.function \
+ -p suites/desktop_test.function \
+ -s suites \
+ --help-file suites/helpers.function \
+ -o .
$(BINARIES): %$(EXEXT): %.c $(DEP)
@@ -199,9 +206,9 @@
clean:
ifndef WINDOWS
- rm -rf $(APPS) *.c TESTS
+ rm -rf $(APPS) *.c *.data TESTS
else
- del /Q /F *.c *.exe
+ del /Q /F *.c *.exe *.data
rmdir /Q /S TESTS
endif
@@ -221,14 +228,15 @@
# name is used as the test group dir.
.SECONDEXPANSION:
-$(MBED_APPS): mbed_%: suites/$$(func.$$*).function suites/%.data scripts/gen_mbed_code.py suites/helpers.function suites/main_test.function
- echo " Gen ./TESTS/mbedtls/$*/main.c"
+$(MBED_APPS): mbed_%: suites/$$(func.$$*).function suites/%.data scripts/gen_mbed_code.py suites/helpers.function suites/mbed_test.function suites/embedded_test.function
+ echo " Gen ./TESTS/mbedtls/$*/$*.c"
python scripts/gen_mbed_code.py -f suites/$(func.$*).function \
-d suites/$*.data \
-t suites/mbed_test.function \
+ -p suites/embedded_test.function \
-s suites \
--help-file suites/helpers.function \
- -o ./TESTS
+ -o ./TESTS/mbedtls/$*
gen-mbed-test: $(MBED_APPS)
diff --git a/tests/scripts/gen_mbed_code.py b/tests/scripts/gen_mbed_code.py
new file mode 100644
index 0000000..9fd9a00
--- /dev/null
+++ b/tests/scripts/gen_mbed_code.py
@@ -0,0 +1,623 @@
+"""
+mbed SDK
+Copyright (c) 2017-2018 ARM Limited
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+import os
+import re
+import argparse
+import shutil
+
+
+"""
+Generates code in following structure.
+
+<output dir>/
+|-- host_tests/
+| |-- mbedtls_test.py
+| |-- suites/
+| | |-- *.data files
+| |-- mbedtls/
+| | |-- <test suite #1>/
+| | | |-- main.c
+| | ...
+| | |-- <test suite #n>/
+| | | |-- main.c
+| | |
+"""
+
+
+BEGIN_HEADER_REGEX = '/\*\s*BEGIN_HEADER\s*\*/'
+END_HEADER_REGEX = '/\*\s*END_HEADER\s*\*/'
+
+BEGIN_DEP_REGEX = 'BEGIN_DEPENDENCIES'
+END_DEP_REGEX = 'END_DEPENDENCIES'
+
+BEGIN_CASE_REGEX = '/\*\s*BEGIN_CASE\s*(.*?)\s*\*/'
+END_CASE_REGEX = '/\*\s*END_CASE\s*\*/'
+
+
+class InvalidFileFormat(Exception):
+ """
+ Exception to indicate invalid file format.
+ """
+ pass
+
+
+def gen_deps(deps):
+ """
+ Generates dependency i.e. if def and endif code
+
+ :param deps:
+ :return:
+ """
+ dep_start = ''
+ dep_end = ''
+ for dep in deps:
+ if dep[0] == '!':
+ noT = '!'
+ dep = dep[1:]
+ else:
+ noT = ''
+ dep_start += '#if %sdefined(%s)\n' % (noT, dep)
+ dep_end = '#endif /* %s%s */\n' % (noT, dep) + dep_end
+ return dep_start, dep_end
+
+
+def gen_deps_one_line(deps):
+ """
+ Generates dependency checks in one line. Useful for writing code in #else case.
+
+ :param deps:
+ :return:
+ """
+ defines = []
+ for dep in deps:
+ if dep[0] == '!':
+ noT = '!'
+ dep = dep[1:]
+ else:
+ noT = ''
+ defines.append('%sdefined(%s)' % (noT, dep))
+ return '#if ' + ' && '.join(defines)
+
+
+def gen_function_wrapper(name, args_dispatch):
+ """
+ Creates test function code
+
+ :param name:
+ :param args_dispatch:
+ :return:
+ """
+ # Then create the wrapper
+ wrapper = '''
+void {name}_wrapper( void ** params )
+{{
+ {unused_params}
+ {name}( {args} );
+}}
+'''.format(name=name, unused_params='(void)params;' if len(args_dispatch) == 0 else '', args=', '.join(args_dispatch))
+ return wrapper
+
+
+def gen_dispatch(name, deps):
+ """
+ Generates dispatch condition for the functions.
+
+ :param name:
+ :param deps:
+ :return:
+ """
+ if len(deps):
+ ifdef = gen_deps_one_line(deps)
+ dispatch_code = '''
+{ifdef}
+ {name}_wrapper,
+#else
+ NULL,
+#endif
+'''.format(ifdef=ifdef, name=name)
+ else:
+ dispatch_code = '''
+ {name}_wrapper,
+'''.format(name=name)
+
+ return dispatch_code
+
+
+def parse_suite_headers(line_no, funcs_f):
+ """
+ Parses function headers.
+
+ :param line_no:
+ :param funcs_f:
+ :return:
+ """
+ headers = '#line %d "%s"\n' % (line_no + 1, funcs_f.name)
+ for line in funcs_f:
+ line_no += 1
+ if re.search(END_HEADER_REGEX, line):
+ break
+ headers += line
+ else:
+ raise InvalidFileFormat("file: %s - end header pattern [%s] not found!" % (funcs_f.name, END_HEADER_REGEX))
+
+ return line_no, headers
+
+
+def parse_suite_deps(line_no, funcs_f):
+ """
+ Parses function dependencies.
+
+ :param line_no:
+ :param funcs_f:
+ :return:
+ """
+ deps = []
+ for line in funcs_f:
+ line_no += 1
+ m = re.search('depends_on\:(.*)', line.strip())
+ if m:
+ deps += [x.strip() for x in m.group(1).split(':')]
+ if re.search(END_DEP_REGEX, line):
+ break
+ else:
+ raise InvalidFileFormat("file: %s - end dependency pattern [%s] not found!" % (funcs_f.name, END_DEP_REGEX))
+
+ return line_no, deps
+
+
+def parse_function_deps(line):
+ """
+
+ :param line:
+ :return:
+ """
+ deps = []
+ m = re.search(BEGIN_CASE_REGEX, line)
+ dep_str = m.group(1)
+ if len(dep_str):
+ m = re.search('depends_on:(.*)', dep_str)
+ if m:
+ deps = m.group(1).strip().split(':')
+ return deps
+
+
+def parse_function_signature(line):
+ """
+ Parsing function signature
+
+ :param line:
+ :return:
+ """
+ args = []
+ args_dispatch = []
+ m = re.search('\s*void\s+(\w+)\s*\(', line, re.I)
+ if not m:
+ raise ValueError("Test function should return 'void'\n%s" % line)
+ name = m.group(1)
+ line = line[len(m.group(0)):]
+ arg_idx = 0
+ for arg in line[:line.find(')')].split(','):
+ arg = arg.strip()
+ if arg == '':
+ continue
+ if re.search('int\s+.*', arg.strip()):
+ args.append('int')
+ args_dispatch.append('*( (int *) params[%d] )' % arg_idx)
+ elif re.search('char\s*\*\s*.*', arg.strip()):
+ args.append('char*')
+ args_dispatch.append('(char *) params[%d]' % arg_idx)
+ else:
+ raise ValueError("Test function arguments can only be 'int' or 'char *'\n%s" % line)
+ arg_idx += 1
+
+ return name, args, args_dispatch
+
+
+def parse_function_code(line_no, funcs_f, deps, suite_deps):
+ """
+
+ :param line_no:
+ :param funcs_f:
+ :param deps:
+ :param suite_deps:
+ :return:
+ """
+ code = '#line %d "%s"\n' % (line_no + 1, funcs_f.name)
+ for line in funcs_f:
+ line_no += 1
+ # Check function signature
+ m = re.match('.*?\s+(\w+)\s*\(', line, re.I)
+ if m:
+ # check if we have full signature i.e. split in more lines
+ if not re.match('.*\)', line):
+ for lin in funcs_f:
+ line += lin
+ line_no += 1
+ if re.search('.*?\)', line):
+ break
+ name, args, args_dispatch = parse_function_signature(line)
+ code += line.replace(name, 'test_' + name)
+ name = 'test_' + name
+ break
+ else:
+ raise InvalidFileFormat("file: %s - Test functions not found!" % funcs_f.name)
+
+ for line in funcs_f:
+ line_no += 1
+ if re.search(END_CASE_REGEX, line):
+ break
+ code += line
+ else:
+ raise InvalidFileFormat("file: %s - end case pattern [%s] not found!" % (funcs_f.name, END_CASE_REGEX))
+
+ # Add exit label if not present
+ if code.find('exit:') == -1:
+ s = code.rsplit('}', 1)
+ if len(s) == 2:
+ code = """
+exit:
+ ;;
+}
+""".join(s)
+
+ code += gen_function_wrapper(name, args_dispatch)
+ ifdef, endif = gen_deps(deps)
+ dispatch_code = gen_dispatch(name, suite_deps + deps)
+ return line_no, name, args, ifdef + code + endif, dispatch_code
+
+
+def parse_functions(funcs_f):
+ """
+ Returns functions code pieces
+
+ :param funcs_f:
+ :return:
+ """
+ line_no = 0
+ suite_headers = ''
+ suite_deps = []
+ suite_functions = ''
+ func_info = {}
+ function_idx = 0
+ dispatch_code = ''
+ for line in funcs_f:
+ line_no += 1
+ if re.search(BEGIN_HEADER_REGEX, line):
+ line_no, headers = parse_suite_headers(line_no, funcs_f)
+ suite_headers += headers
+ elif re.search(BEGIN_DEP_REGEX, line):
+ line_no, deps = parse_suite_deps(line_no, funcs_f)
+ suite_deps += deps
+ elif re.search(BEGIN_CASE_REGEX, line):
+ deps = parse_function_deps(line)
+ line_no, func_name, args, func_code, func_dispatch = parse_function_code(line_no, funcs_f, deps, suite_deps)
+ suite_functions += func_code
+ # Generate dispatch code and enumeration info
+ assert func_name not in func_info, "file: %s - function %s re-declared at line %d" % \
+ (funcs_f.name, func_name, line_no)
+ func_info[func_name] = (function_idx, args)
+ dispatch_code += '/* Function Id: %d */\n' % function_idx
+ dispatch_code += func_dispatch
+ function_idx += 1
+
+ ifdef, endif = gen_deps(suite_deps)
+ func_code = ifdef + suite_functions + endif
+ return dispatch_code, suite_headers, func_code, func_info
+
+
+def escaped_split(str, ch):
+ """
+ Split str on character ch but ignore escaped \{ch}
+
+ :param str:
+ :param ch:
+ :return:
+ """
+ if len(ch) > 1:
+ raise ValueError('Expected split character. Found string!')
+ out = []
+ part = ''
+ escape = False
+ for i in range(len(str)):
+ if not escape and str[i] == ch:
+ out.append(part)
+ part = ''
+ else:
+ part += str[i]
+ escape = not escape and str[i] == '\\'
+ if len(part):
+ out.append(part)
+ return out
+
+
+def parse_test_data(data_f):
+ """
+ Parses .data file
+
+ :param data_f:
+ :return:
+ """
+ STATE_READ_NAME = 0
+ STATE_READ_ARGS = 1
+ state = STATE_READ_NAME
+ deps = []
+
+ for line in data_f:
+ line = line.strip()
+ if len(line) and line[0] == '#': # Skip comments
+ continue
+
+ # skip blank lines
+ if len(line) == 0:
+ continue
+
+ if state == STATE_READ_NAME:
+ # Read test name
+ name = line
+ state = STATE_READ_ARGS
+ elif state == STATE_READ_ARGS:
+ # Check dependencies
+ m = re.search('depends_on\:(.*)', line)
+ if m:
+ deps = m.group(1).split(':')
+ else:
+ # Read test vectors
+ parts = escaped_split(line, ':')
+ function = parts[0]
+ args = parts[1:]
+ yield name, function, deps, args
+ deps = []
+ state = STATE_READ_NAME
+
+
+def gen_dep_check(dep_id, dep):
+ """
+ Generate code for the dependency.
+
+ :param dep_id:
+ :param dep:
+ :return:
+ """
+ if dep[0] == '!':
+ noT = '!'
+ dep = dep[1:]
+ else:
+ noT = ''
+ dep_check = '''
+if ( dep_id == {id} )
+{{
+#if {noT}defined({macro})
+ return( DEPENDENCY_SUPPORTED );
+#else
+ return( DEPENDENCY_NOT_SUPPORTED );
+#endif
+}}
+else
+'''.format(noT=noT, macro=dep, id=dep_id)
+
+ return dep_check
+
+
+def gen_expression_check(exp_id, exp):
+ """
+ Generates code for expression check
+
+ :param exp_id:
+ :param exp:
+ :return:
+ """
+ exp_code = '''
+if ( exp_id == {exp_id} )
+{{
+ *out_value = {expression};
+}}
+else
+'''.format(exp_id=exp_id, expression=exp)
+ return exp_code
+
+
+def gen_from_test_data(data_f, out_data_f, func_info):
+ """
+ Generates dependency checks, expression code and intermediate data file from test data file.
+
+ :param data_f:
+ :param out_data_f:
+ :param func_info:
+ :return:
+ """
+ unique_deps = []
+ unique_expressions = []
+ dep_check_code = ''
+ expression_code = ''
+ for test_name, function_name, test_deps, test_args in parse_test_data(data_f):
+ out_data_f.write(test_name + '\n')
+
+ func_id, func_args = func_info['test_' + function_name]
+ if len(test_deps):
+ out_data_f.write('depends_on')
+ for dep in test_deps:
+ if dep not in unique_deps:
+ unique_deps.append(dep)
+ dep_id = unique_deps.index(dep)
+ dep_check_code += gen_dep_check(dep_id, dep)
+ else:
+ dep_id = unique_deps.index(dep)
+ out_data_f.write(':' + str(dep_id))
+ out_data_f.write('\n')
+
+ assert len(test_args) == len(func_args), \
+ "Invalid number of arguments in test %s. See function %s signature." % (test_name, function_name)
+ out_data_f.write(str(func_id))
+ for i in xrange(len(test_args)):
+ typ = func_args[i]
+ val = test_args[i]
+
+ # check if val is a non literal int val
+ if typ == 'int' and not re.match('\d+', val): # its an expression # FIXME: Handle hex format. Tip: instead try converting int(str, 10) and int(str, 16)
+ typ = 'exp'
+ if val not in unique_expressions:
+ unique_expressions.append(val)
+ # exp_id can be derived from len(). But for readability and consistency with case of existing let's
+ # use index().
+ exp_id = unique_expressions.index(val)
+ expression_code += gen_expression_check(exp_id, val)
+ val = exp_id
+ else:
+ val = unique_expressions.index(val)
+ out_data_f.write(':' + typ + ':' + str(val))
+ out_data_f.write('\n\n')
+
+ # void unused params
+ if len(dep_check_code) == 0:
+ dep_check_code = '(void) dep_id;\n'
+ if len(expression_code) == 0:
+ expression_code = '(void) exp_id;\n'
+ expression_code += '(void) out_value;\n'
+
+ return dep_check_code, expression_code
+
+
+def gen_mbed_code(funcs_file, data_file, template_file, platform_file, help_file, suites_dir, c_file, out_data_file):
+ """
+ Generate mbed-os test code.
+
+ :param funcs_file:
+ :param dat a_file:
+ :param template_file:
+ :param platform_file:
+ :param help_file:
+ :param suites_dir:
+ :param c_file:
+ :param out_data_file:
+ :return:
+ """
+ for name, path in [('Functions file', funcs_file),
+ ('Data file', data_file),
+ ('Template file', template_file),
+ ('Platform file', platform_file),
+ ('Help code file', help_file),
+ ('Suites dir', suites_dir)]:
+ if not os.path.exists(path):
+ raise IOError("ERROR: %s [%s] not found!" % (name, path))
+
+ snippets = {'generator_script' : os.path.basename(__file__)}
+
+ # Read helpers
+ with open(help_file, 'r') as help_f, open(platform_file, 'r') as platform_f:
+ snippets['test_common_helper_file'] = help_file
+ snippets['test_common_helpers'] = help_f.read()
+ snippets['test_platform_file'] = platform_file
+ snippets['platform_code'] = platform_f.read().replace('DATA_FILE',
+ out_data_file.replace('\\', '\\\\')) # escape '\'
+
+ # Function code
+ with open(funcs_file, 'r') as funcs_f, open(data_file, 'r') as data_f, open(out_data_file, 'w') as out_data_f:
+ dispatch_code, func_headers, func_code, func_info = parse_functions(funcs_f)
+ snippets['function_headers'] = func_headers
+ snippets['functions_code'] = func_code
+ snippets['dispatch_code'] = dispatch_code
+ dep_check_code, expression_code = gen_from_test_data(data_f, out_data_f, func_info)
+ snippets['dep_check_code'] = dep_check_code
+ snippets['expression_code'] = expression_code
+
+ snippets['test_file'] = c_file
+ snippets['test_main_file'] = template_file
+ snippets['test_case_file'] = funcs_file
+ snippets['test_case_data_file'] = data_file
+ # Read Template
+ # Add functions
+ #
+ with open(template_file, 'r') as template_f, open(c_file, 'w') as c_f:
+ line_no = 1
+ for line in template_f.readlines():
+ snippets['line_no'] = line_no + 1 # Increment as it sets next line number
+ code = line.format(**snippets)
+ c_f.write(code)
+ line_no += 1
+
+
+def check_cmd():
+ """
+ Command line parser.
+
+ :return:
+ """
+ parser = argparse.ArgumentParser(description='Generate code for mbed-os tests.')
+
+ parser.add_argument("-f", "--functions-file",
+ dest="funcs_file",
+ help="Functions file",
+ metavar="FUNCTIONS",
+ required=True)
+
+ parser.add_argument("-d", "--data-file",
+ dest="data_file",
+ help="Data file",
+ metavar="DATA",
+ required=True)
+
+ parser.add_argument("-t", "--template-file",
+ dest="template_file",
+ help="Template file",
+ metavar="TEMPLATE",
+ required=True)
+
+ parser.add_argument("-s", "--suites-dir",
+ dest="suites_dir",
+ help="Suites dir",
+ metavar="SUITES",
+ required=True)
+
+ parser.add_argument("--help-file",
+ dest="help_file",
+ help="Help file",
+ metavar="HELPER",
+ required=True)
+
+ parser.add_argument("-p", "--platform-file",
+ dest="platform_file",
+ help="Platform code file",
+ metavar="PLATFORM_FILE",
+ required=True)
+
+ parser.add_argument("-o", "--out-dir",
+ dest="out_dir",
+ help="Dir where generated code and scripts are copied",
+ metavar="OUT_DIR",
+ required=True)
+
+ args = parser.parse_args()
+
+ data_file_name = os.path.basename(args.data_file)
+ data_name = os.path.splitext(data_file_name)[0]
+
+ out_c_file = os.path.join(args.out_dir, data_name + '.c')
+ out_data_file = os.path.join(args.out_dir, data_file_name)
+
+ out_c_file_dir = os.path.dirname(out_c_file)
+ out_data_file_dir = os.path.dirname(out_data_file)
+ for d in [out_c_file_dir, out_data_file_dir]:
+ if not os.path.exists(d):
+ os.makedirs(d)
+
+ gen_mbed_code(args.funcs_file, args.data_file, args.template_file, args.platform_file,
+ args.help_file, args.suites_dir, out_c_file, out_data_file)
+
+
+if __name__ == "__main__":
+ check_cmd()
diff --git a/tests/suites/desktop_test.function b/tests/suites/desktop_test.function
new file mode 100644
index 0000000..6e7fd07
--- /dev/null
+++ b/tests/suites/desktop_test.function
@@ -0,0 +1,644 @@
+#line 2 "suites/desktop_test.function"
+
+/**
+ * \brief Varifies that string is in string parameter format i.e. "<str>"
+ * It also strips enclosing '"' from the input string.
+ *
+ * \param str String parameter.
+ *
+ * \return 0 if success else 1
+ */
+int verify_string( char **str )
+{
+ if( (*str)[0] != '"' ||
+ (*str)[strlen( *str ) - 1] != '"' )
+ {
+ mbedtls_fprintf( stderr,
+ "Expected string (with \"\") for parameter and got: %s\n", *str );
+ return( -1 );
+ }
+
+ (*str)++;
+ (*str)[strlen( *str ) - 1] = '\0';
+
+ return( 0 );
+}
+
+/**
+ * \brief Varifies that string is an integer. Also gives the converted
+ * integer value.
+ *
+ * \param str Input string.
+ * \param value Pointer to int for output value.
+ *
+ * \return 0 if success else 1
+ */
+int verify_int( char *str, int *value )
+{
+ size_t i;
+ int minus = 0;
+ int digits = 1;
+ int hex = 0;
+
+ for( i = 0; i < strlen( str ); i++ )
+ {
+ if( i == 0 && str[i] == '-' )
+ {
+ minus = 1;
+ continue;
+ }
+
+ if( ( ( minus && i == 2 ) || ( !minus && i == 1 ) ) &&
+ str[i - 1] == '0' && str[i] == 'x' )
+ {
+ hex = 1;
+ continue;
+ }
+
+ if( ! ( ( str[i] >= '0' && str[i] <= '9' ) ||
+ ( hex && ( ( str[i] >= 'a' && str[i] <= 'f' ) ||
+ ( str[i] >= 'A' && str[i] <= 'F' ) ) ) ) )
+ {
+ digits = 0;
+ break;
+ }
+ }
+
+ if( digits )
+ {
+ if( hex )
+ *value = strtol( str, NULL, 16 );
+ else
+ *value = strtol( str, NULL, 10 );
+
+ return( 0 );
+ }
+
+ mbedtls_fprintf( stderr,
+ "Expected integer for parameter and got: %s\n", str );
+ return( KEY_VALUE_MAPPING_NOT_FOUND );
+}
+
+
+/**
+ * \brief Usage string.
+ *
+ */
+#define USAGE \
+ "Usage: %s [OPTIONS] files...\n\n" \
+ " Command line arguments:\n" \
+ " files... One or more test data file. If no file is specified\n" \
+ " the followimg default test case is used:\n" \
+ " %s\n\n" \
+ " Options:\n" \
+ " -v | --verbose Display full information about each test\n" \
+ " -h | --help Display this information\n\n", \
+ argv[0], \
+ "TESTCASE_FILENAME"
+
+
+/**
+ * \brief Read a line from the passed file pointer.
+ *
+ * \param f FILE pointer
+ * \param buf Pointer to memory to hold read line.
+ * \param len Length of the buf.
+ *
+ * \return 0 if success else -1
+ */
+int get_line( FILE *f, char *buf, size_t len )
+{
+ char *ret;
+ int i = 0, str_len = 0, has_string = 0;
+
+ /* Read until we get a valid line */
+ do
+ {
+ ret = fgets( buf, len, f );
+ if( ret == NULL )
+ return( -1 );
+
+ str_len = strlen( buf );
+
+ /* Skip empty line and comment */
+ if ( str_len == 0 || buf[0] == '#' )
+ continue;
+ has_string = 0;
+ for ( i = 0; i < str_len; i++ )
+ {
+ char c = buf[i];
+ if ( c != ' ' && c != '\t' && c != '\n' &&
+ c != '\v' && c != '\f' && c != '\r' )
+ {
+ has_string = 1;
+ break;
+ }
+ }
+ } while( !has_string );
+
+ /* Strip new line and carriage return */
+ ret = buf + strlen( buf );
+ if( ret-- > buf && *ret == '\n' )
+ *ret = '\0';
+ if( ret-- > buf && *ret == '\r' )
+ *ret = '\0';
+
+ return( 0 );
+}
+
+/**
+ * \brief Splits string delimited by ':'. Ignores '\:'.
+ *
+ * \param buf Input string
+ * \param len Input string length
+ * \param params Out params found
+ * \param params_len Out params array len
+ *
+ * \return Count of strings found.
+ */
+static int parse_arguments( char *buf, size_t len, char **params,
+ size_t params_len )
+{
+ size_t cnt = 0, i;
+ char *cur = buf;
+ char *p = buf, *q;
+
+ params[cnt++] = cur;
+
+ while( *p != '\0' && p < buf + len )
+ {
+ if( *p == '\\' )
+ {
+ p++;
+ p++;
+ continue;
+ }
+ if( *p == ':' )
+ {
+ if( p + 1 < buf + len )
+ {
+ cur = p + 1;
+ assert( cnt < params_len );
+ params[cnt++] = cur;
+ }
+ *p = '\0';
+ }
+
+ p++;
+ }
+
+ /* Replace newlines, question marks and colons in strings */
+ for( i = 0; i < cnt; i++ )
+ {
+ p = params[i];
+ q = params[i];
+
+ while( *p != '\0' )
+ {
+ if( *p == '\\' && *(p + 1) == 'n' )
+ {
+ p += 2;
+ *(q++) = '\n';
+ }
+ else if( *p == '\\' && *(p + 1) == ':' )
+ {
+ p += 2;
+ *(q++) = ':';
+ }
+ else if( *p == '\\' && *(p + 1) == '?' )
+ {
+ p += 2;
+ *(q++) = '?';
+ }
+ else
+ *(q++) = *(p++);
+ }
+ *q = '\0';
+ }
+
+ return( cnt );
+}
+
+/**
+ * \brief Converts parameters into test function consumable parameters.
+ * Example: Input: {"int", "0", "char*", "Hello",
+ * "hex", "abef", "exp", "1"}
+ * Output: {
+ * 0, // Verified int
+ * "Hello", // Verified string
+ * 2, { 0xab, 0xef },// Converted len,hex pair
+ * 9600 // Evaluated expression
+ * }
+ *
+ *
+ * \param cnt Input string.
+ * \param params Out array of found strings.
+ * \param int_params_store Memory for storing processed integer parameters.
+ *
+ * \return 0 for success else 1
+ */
+static int convert_params( size_t cnt , char ** params , int * int_params_store )
+{
+ char ** cur = params;
+ char ** out = params;
+ int ret = ( DISPATCH_TEST_SUCCESS );
+
+ while ( cur - params < (int) cnt )
+ {
+ char * type = *cur++;
+ char * val = *cur++;
+
+ if ( strcmp( type, "char*" ) == 0 )
+ {
+ if ( verify_string( &val ) == 0 )
+ {
+ *out++ = val;
+ }
+ else
+ {
+ ret = ( DISPATCH_INVALID_TEST_DATA );
+ break;
+ }
+ }
+ else if ( strcmp( type, "int" ) == 0 )
+ {
+ if ( verify_int ( val, int_params_store ) == 0 )
+ {
+ *out++ = (char *) int_params_store++;
+ }
+ else
+ {
+ ret = ( DISPATCH_INVALID_TEST_DATA );
+ break;
+ }
+ }
+ else if ( strcmp( type, "hex" ) == 0 )
+ {
+ *int_params_store = unhexify( (unsigned char *) val, val );
+ *out++ = (char *)int_params_store++;
+ *out++ = val;
+ }
+ else if ( strcmp( type, "exp" ) == 0 )
+ {
+ int exp_id = strtol( val, NULL, 10 );
+ if ( get_expression ( exp_id, int_params_store ) == 0 )
+ {
+ *out++ = (char *)int_params_store++;
+ }
+ else
+ {
+ ret = ( DISPATCH_INVALID_TEST_DATA );
+ break;
+ }
+ }
+ else
+ {
+ ret = ( DISPATCH_INVALID_TEST_DATA );
+ break;
+ }
+ }
+ return( ret );
+}
+
+/**
+ * \brief Tests snprintf implementation with test input.
+ *
+ * \param n Buffer test length.
+ * \param ref_buf Expected buffer.
+ * \param ref_ret Expected snprintf return value.
+ *
+ * \return 0 for success else 1
+ */
+static int test_snprintf( size_t n, const char ref_buf[10], int ref_ret )
+{
+ int ret;
+ char buf[10] = "xxxxxxxxx";
+ const char ref[10] = "xxxxxxxxx";
+
+ ret = mbedtls_snprintf( buf, n, "%s", "123" );
+ if( ret < 0 || (size_t) ret >= n )
+ ret = -1;
+
+ if( strncmp( ref_buf, buf, sizeof( buf ) ) != 0 ||
+ ref_ret != ret ||
+ memcmp( buf + n, ref + n, sizeof( buf ) - n ) != 0 )
+ {
+ return( 1 );
+ }
+
+ return( 0 );
+}
+
+/**
+ * \brief Tests snprintf implementation.
+ *
+ * \param none
+ *
+ * \return 0 for success else 1
+ */
+static int run_test_snprintf( void )
+{
+ return( test_snprintf( 0, "xxxxxxxxx", -1 ) != 0 ||
+ test_snprintf( 1, "", -1 ) != 0 ||
+ test_snprintf( 2, "1", -1 ) != 0 ||
+ test_snprintf( 3, "12", -1 ) != 0 ||
+ test_snprintf( 4, "123", 3 ) != 0 ||
+ test_snprintf( 5, "123", 3 ) != 0 );
+}
+
+
+/**
+ * \brief Desktop implementation of execute_tests().
+ * Parses command line and executes tests from
+ * supplied or default data file.
+ *
+ * \param argc Command line argument count.
+ * \param argv Argument array.
+ *
+ * \return Program exit status.
+ */
+int execute_tests( int argc , const char ** argv )
+{
+ /* Local Configurations and options */
+ const char *default_filename = "DATA_FILE";
+ const char *test_filename = NULL;
+ const char **test_files = NULL;
+ int testfile_count = 0;
+ int option_verbose = 0;
+
+ /* Other Local variables */
+ int arg_index = 1;
+ const char *next_arg;
+ int testfile_index, ret, i, cnt;
+ int total_errors = 0, total_tests = 0, total_skipped = 0;
+ FILE *file;
+ char buf[5000];
+ char *params[50];
+ int int_params[50]; // Store for proccessed integer params.
+ void *pointer;
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+ int stdout_fd = -1;
+#endif /* __unix__ || __APPLE__ __MACH__ */
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \
+ !defined(TEST_SUITE_MEMORY_BUFFER_ALLOC)
+ unsigned char alloc_buf[1000000];
+ mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof( alloc_buf ) );
+#endif
+
+ /*
+ * The C standard doesn't guarantee that all-bits-0 is the representation
+ * of a NULL pointer. We do however use that in our code for initializing
+ * structures, which should work on every modern platform. Let's be sure.
+ */
+ memset( &pointer, 0, sizeof( void * ) );
+ if( pointer != NULL )
+ {
+ mbedtls_fprintf( stderr, "all-bits-zero is not a NULL pointer\n" );
+ return( 1 );
+ }
+
+ /*
+ * Make sure we have a snprintf that correctly zero-terminates
+ */
+ if( run_test_snprintf() != 0 )
+ {
+ mbedtls_fprintf( stderr, "the snprintf implementation is broken\n" );
+ return( 0 );
+ }
+
+ while( arg_index < argc )
+ {
+ next_arg = argv[ arg_index ];
+
+ if( strcmp(next_arg, "--verbose" ) == 0 ||
+ strcmp(next_arg, "-v" ) == 0 )
+ {
+ option_verbose = 1;
+ }
+ else if( strcmp(next_arg, "--help" ) == 0 ||
+ strcmp(next_arg, "-h" ) == 0 )
+ {
+ mbedtls_fprintf( stdout, USAGE );
+ mbedtls_exit( EXIT_SUCCESS );
+ }
+ else
+ {
+ /* Not an option, therefore treat all further arguments as the file
+ * list.
+ */
+ test_files = &argv[ arg_index ];
+ testfile_count = argc - arg_index;
+ }
+
+ arg_index++;
+ }
+
+ /* If no files were specified, assume a default */
+ if ( test_files == NULL || testfile_count == 0 )
+ {
+ test_files = &default_filename;
+ testfile_count = 1;
+ }
+
+ /* Initialize the struct that holds information about the last test */
+ memset( &test_info, 0, sizeof( test_info ) );
+
+ /* Now begin to execute the tests in the testfiles */
+ for ( testfile_index = 0;
+ testfile_index < testfile_count;
+ testfile_index++ )
+ {
+ int unmet_dep_count = 0;
+ char *unmet_dependencies[20];
+
+ test_filename = test_files[ testfile_index ];
+
+ file = fopen( test_filename, "r" );
+ if( file == NULL )
+ {
+ mbedtls_fprintf( stderr, "Failed to open test file: %s\n",
+ test_filename );
+ return( 1 );
+ }
+
+ while( !feof( file ) )
+ {
+ if( unmet_dep_count > 0 )
+ {
+ mbedtls_fprintf( stderr,
+ "FATAL: Dep count larger than zero at start of loop\n" );
+ mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+ }
+ unmet_dep_count = 0;
+
+ if( ( ret = get_line( file, buf, sizeof(buf) ) ) != 0 )
+ break;
+ mbedtls_fprintf( stdout, "%s%.66s", test_info.failed ? "\n" : "", buf );
+ mbedtls_fprintf( stdout, " " );
+ for( i = strlen( buf ) + 1; i < 67; i++ )
+ mbedtls_fprintf( stdout, "." );
+ mbedtls_fprintf( stdout, " " );
+ fflush( stdout );
+
+ total_tests++;
+
+ if( ( ret = get_line( file, buf, sizeof( buf ) ) ) != 0 )
+ break;
+ cnt = parse_arguments( buf, strlen( buf ), params,
+ sizeof( params ) / sizeof( params[0] ) );
+
+ if( strcmp( params[0], "depends_on" ) == 0 )
+ {
+ for( i = 1; i < cnt; i++ )
+ {
+ int dep_id = strtol( params[i], NULL, 10 );
+ if( dep_check( dep_id ) != DEPENDENCY_SUPPORTED )
+ {
+ if( 0 == option_verbose )
+ {
+ /* Only one count is needed if not verbose */
+ unmet_dep_count++;
+ break;
+ }
+
+ unmet_dependencies[ unmet_dep_count ] = strdup( params[i] );
+ if( unmet_dependencies[ unmet_dep_count ] == NULL )
+ {
+ mbedtls_fprintf( stderr, "FATAL: Out of memory\n" );
+ mbedtls_exit( MBEDTLS_EXIT_FAILURE );
+ }
+ unmet_dep_count++;
+ }
+ }
+
+ if( ( ret = get_line( file, buf, sizeof( buf ) ) ) != 0 )
+ break;
+ cnt = parse_arguments( buf, strlen( buf ), params,
+ sizeof( params ) / sizeof( params[0] ) );
+ }
+
+ // If there are no unmet dependencies execute the test
+ if( unmet_dep_count == 0 )
+ {
+ test_info.failed = 0;
+
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+ /* Suppress all output from the library unless we're verbose
+ * mode
+ */
+ if( !option_verbose )
+ {
+ stdout_fd = redirect_output( &stdout, "/dev/null" );
+ if( stdout_fd == -1 )
+ {
+ /* Redirection has failed with no stdout so exit */
+ exit( 1 );
+ }
+ }
+#endif /* __unix__ || __APPLE__ __MACH__ */
+
+ ret = convert_params( cnt - 1, params + 1, int_params );
+ if ( DISPATCH_TEST_SUCCESS == ret )
+ {
+ int function_id = strtol( params[0], NULL, 10 );
+ ret = dispatch_test( function_id, (void **)( params + 1 ) );
+ }
+
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+ if( !option_verbose && restore_output( &stdout, stdout_fd ) )
+ {
+ /* Redirection has failed with no stdout so exit */
+ exit( 1 );
+ }
+#endif /* __unix__ || __APPLE__ __MACH__ */
+
+ }
+
+ if( unmet_dep_count > 0 || ret == DISPATCH_UNSUPPORTED_SUITE )
+ {
+ total_skipped++;
+ mbedtls_fprintf( stdout, "----" );
+
+ if( 1 == option_verbose && ret == DISPATCH_UNSUPPORTED_SUITE )
+ {
+ mbedtls_fprintf( stdout, "\n Test Suite not enabled" );
+ }
+
+ if( 1 == option_verbose && unmet_dep_count > 0 )
+ {
+ mbedtls_fprintf( stdout, "\n Unmet dependencies: " );
+ for( i = 0; i < unmet_dep_count; i++ )
+ {
+ mbedtls_fprintf( stdout, "%s ",
+ unmet_dependencies[i] );
+ free( unmet_dependencies[i] );
+ }
+ }
+ mbedtls_fprintf( stdout, "\n" );
+ fflush( stdout );
+
+ unmet_dep_count = 0;
+ }
+ else if( ret == DISPATCH_TEST_SUCCESS )
+ {
+ if( test_info.failed == 0 )
+ {
+ mbedtls_fprintf( stdout, "PASS\n" );
+ }
+ else
+ {
+ total_errors++;
+ mbedtls_fprintf( stdout, "FAILED\n" );
+ mbedtls_fprintf( stdout, " %s\n at line %d, %s\n",
+ test_info.test, test_info.line_no,
+ test_info.filename );
+ }
+ fflush( stdout );
+ }
+ else if( ret == DISPATCH_INVALID_TEST_DATA )
+ {
+ mbedtls_fprintf( stderr, "FAILED: FATAL PARSE ERROR\n" );
+ fclose( file );
+ mbedtls_exit( 2 );
+ }
+ else if( ret == DISPATCH_TEST_FN_NOT_FOUND )
+ {
+ mbedtls_fprintf( stderr, "FAILED: FATAL TEST FUNCTION NOT FUND\n" );
+ fclose( file );
+ mbedtls_exit( 2 );
+ }
+ else
+ total_errors++;
+ }
+ fclose( file );
+
+ /* In case we encounter early end of file */
+ for( i = 0; i < unmet_dep_count; i++ )
+ free( unmet_dependencies[i] );
+ }
+
+ mbedtls_fprintf( stdout, "\n----------------------------------------------------------------------------\n\n");
+ if( total_errors == 0 )
+ mbedtls_fprintf( stdout, "PASSED" );
+ else
+ mbedtls_fprintf( stdout, "FAILED" );
+
+ mbedtls_fprintf( stdout, " (%d / %d tests (%d skipped))\n",
+ total_tests - total_errors, total_tests, total_skipped );
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && \
+ !defined(TEST_SUITE_MEMORY_BUFFER_ALLOC)
+#if defined(MBEDTLS_MEMORY_DEBUG)
+ mbedtls_memory_buffer_alloc_status();
+#endif
+ mbedtls_memory_buffer_alloc_free();
+#endif
+
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+ if( stdout_fd != -1 )
+ close_output( stdout );
+#endif /* __unix__ || __APPLE__ __MACH__ */
+
+ return( total_errors != 0 );
+}
diff --git a/tests/suites/embedded_test.function b/tests/suites/embedded_test.function
new file mode 100644
index 0000000..21a5cab
--- /dev/null
+++ b/tests/suites/embedded_test.function
@@ -0,0 +1,364 @@
+#line 2 "embedded_test.function"
+
+#include "greentea-client/test_env_c.h"
+
+/**
+ * \brief Increments pointer and asserts that it does not overflow.
+ *
+ * \param p Pointer to byte array
+ * \param start Pointer to start of byte array
+ * \param len Length of byte array
+ * \param step Increment size
+ *
+ */
+#define INCR_ASSERT(p, start, len, step) do \
+{ \
+ assert( p >= start ); \
+ assert( sizeof( *p ) == sizeof( *start ) ); \
+ /* <= is checked to support use inside a loop where \
+ pointer is incremented after reading data. */ \
+ assert( (uint32_t)( (p - start) + step ) <= len ); \
+ p += step; \
+} \
+while( 0 )
+
+
+/**
+ * \brief 4 byte align unsigned char pointer
+ *
+ * \param p Pointer to byte array
+ * \param start Pointer to start of byte array
+ * \param len Length of byte array
+ *
+ */
+#define ALIGN_32BIT(p, start, len) do \
+{ \
+ uint32_t align = ( - (uintptr_t)p ) % 4; \
+ INCR_ASSERT(p, start, len, align); \
+} \
+while( 0 )
+
+
+/**
+ * \brief Verify dependencies. Dependency identifiers are
+ * encoded in the buffer as 8 bit unsigned integers.
+ *
+ * \param count Number of dependencies.
+ * \param dep_p Pointer to buffer.
+ *
+ * \return DEPENDENCY_SUPPORTED if success else DEPENDENCY_NOT_SUPPORTED.
+ */
+int verify_dependencies( uint8_t count, uint8_t * dep_p )
+{
+ uint8_t i;
+ for ( i = 0; i < count; i++ )
+ {
+ if ( dep_check( (int)(dep_p[i]) ) != DEPENDENCY_SUPPORTED )
+ return( DEPENDENCY_NOT_SUPPORTED );
+ }
+ return( DEPENDENCY_SUPPORTED );
+}
+
+
+/**
+ * \brief Receives unsigned integer on serial interface.
+ * Integers are encoded in network order.
+ *
+ * \param none
+ *
+ * \return unsigned int
+ */
+uint32_t receive_uint32()
+{
+ uint32_t value;
+ value = (uint8_t)greentea_getc() << 24;
+ value |= (uint8_t)greentea_getc() << 16;
+ value |= (uint8_t)greentea_getc() << 8;
+ value |= (uint8_t)greentea_getc();
+ return( (uint32_t)value );
+}
+
+/**
+ * \brief Parses out an unsigned 32 int value from the byte array.
+ * Integers are encoded in network order.
+ *
+ * \param p Pointer to byte array
+ *
+ * \return unsigned int
+ */
+uint32_t parse_uint32( uint8_t * p )
+{
+ uint32_t value;
+ value = *p++ << 24;
+ value |= *p++ << 16;
+ value |= *p++ << 8;
+ value |= *p;
+ return( value );
+}
+
+
+/**
+ * \brief Receives test data on serial as greentea key,value pair:
+ * {{<length>;<byte array>}}
+ *
+ * \param data_len Out pointer to hold received data length.
+ *
+ * \return Byte array.
+ */
+uint8_t * receive_data( uint32_t * data_len )
+{
+ uint32_t i = 0, errors = 0;
+ char c;
+ uint8_t * data = NULL;
+
+ /* Read opening braces */
+ i = 0;
+ while ( i < 2 )
+ {
+ c = greentea_getc();
+ /* Ignore any prevous CR LF characters */
+ if ( c == '\n' || c == '\r' )
+ continue;
+ i++;
+ if ( c != '{' )
+ return( NULL );
+ }
+
+ /* Read data length */
+ *data_len = receive_uint32();
+ data = (uint8_t *)malloc( *data_len );
+ assert( data != NULL );
+
+ greentea_getc(); // read ';' received after key i.e. *data_len
+
+ for( i = 0; i < *data_len; i++ )
+ data[i] = greentea_getc();
+
+ /* Read closing braces */
+ for( i = 0; i < 2; i++ )
+ {
+ c = greentea_getc();
+ if ( c != '}' )
+ {
+ errors++;
+ break;
+ }
+ }
+
+ if ( errors )
+ {
+ free( data );
+ data = NULL;
+ *data_len = 0;
+ }
+
+ return( data );
+}
+
+/**
+ * \brief Parses received byte array for test parameters.
+ *
+ * \param count Parameter count
+ * \param data Received Byte array
+ * \param data_len Byte array length
+ * \param error Parsing error out variable.
+ *
+ * \return Array of parsed parameters allocated on heap.
+ * Note: Caller has the responsibility to delete
+ * the memory after use.
+ */
+void ** parse_parameters( uint8_t count, uint8_t * data, uint32_t data_len,
+ int * error )
+{
+ uint32_t i = 0;
+ char c;
+ void ** params = NULL;
+ void ** cur = NULL;
+ uint8_t * p = NULL;
+
+ params = (void **)malloc( sizeof( void *) * ( count + 1 ) );
+ assert( params != NULL );
+ params[count] = NULL;
+ cur = params;
+
+ p = data;
+
+ /* Parameters */
+ for( i = 0; i < count; i++ )
+ {
+ c = (char)*p;
+ INCR_ASSERT( p, data, data_len, 1 );
+
+ /* Align p to 4 bytes for int, expression, string len or hex length */
+ ALIGN_32BIT( p, data, data_len );
+
+ /* Network to host conversion */
+ *( (int32_t *)p ) = (int32_t)parse_uint32( p );
+
+ switch( c )
+ {
+ case 'E':
+ {
+ if ( get_expression( *( (int32_t *)p ), (int32_t *)p ) )
+ {
+ *error = KEY_VALUE_MAPPING_NOT_FOUND;
+ goto exit;
+ }
+ } /* Intentional fall through */
+ case 'I':
+ {
+ *cur++ = (void *)p;
+ INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
+ }
+ break;
+ case 'H':
+ {
+ *cur++ = (void *)p;
+ } /* Intentional fall through */
+ case 'S':
+ {
+ uint32_t sz = *( (int32_t *)p );
+ INCR_ASSERT( p, data, data_len, sizeof( int32_t ) );
+ *cur++ = (void *)p;
+ INCR_ASSERT( p, data, data_len, sz );
+ }
+ break;
+ default:
+ {
+ *error = DISPATCH_INVALID_TEST_DATA;
+ goto exit;
+ }
+ break;
+ }
+ }
+
+exit:
+ if ( *error )
+ {
+ free( params );
+ params = NULL;
+ }
+
+ return( params );
+}
+
+/**
+ * \brief Sends greentea key and int value pair to host.
+ *
+ * \param key key string
+ * \param value integer value
+ *
+ * \return void
+ */
+void send_key_integer( char * key, int value )
+{
+ char str[50];
+ snprintf( str, sizeof( str ), "%d", value );
+ greentea_send_kv_c( key, str );
+}
+
+/**
+ * \brief Sends test setup failure to the host.
+ *
+ * \param failure Test set failure
+ *
+ * \return void
+ */
+void send_failure( int failure )
+{
+ send_key_integer( "F", failure );
+}
+
+/**
+ * \brief Sends test status to the host.
+ *
+ * \param status Test status (PASS=0/FAIL=!0)
+ *
+ * \return void
+ */
+void send_status( int status )
+{
+ send_key_integer( "R", status );
+}
+
+
+/**
+ * \brief Embedded implementation of execute_tests().
+ * Ignores command line and received test data
+ * on serial.
+ *
+ * \param argc not used
+ * \param argv not used
+ *
+ * \return Program exit status.
+ */
+int execute_tests( int args, const char ** argv )
+{
+ int ret = 0;
+ uint32_t data_len = 0;
+ uint8_t count = 0, function_id;
+ void ** params = NULL;
+ uint8_t * data = NULL, * p = NULL;
+
+ GREENTEA_SETUP_C( 180, "mbedtls_test" );
+ greentea_send_kv_c( "GO", " " );
+
+ while ( 1 )
+ {
+ ret = 0;
+ test_info.failed = 0;
+ data_len = 0;
+
+ data = receive_data( &data_len );
+ if ( data == NULL )
+ continue;
+ p = data;
+
+ do
+ {
+ /* Read dependency count */
+ count = *p;
+ assert( count < data_len );
+ INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
+ ret = verify_dependencies( count, p );
+ if ( ret != DEPENDENCY_SUPPORTED )
+ break;
+
+ INCR_ASSERT( p, data, data_len, count );
+
+ /* Read function id */
+ function_id = *p;
+ INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
+
+ /* Read number of parameters */
+ count = *p;
+ INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) );
+
+ params = parse_parameters( count, p, data_len - (p - data), &ret );
+ if ( ret )
+ break;
+
+ ret = dispatch_test( function_id, params );
+ }
+ while ( 0 );
+
+ if ( data )
+ {
+ free(data);
+ data = NULL;
+ }
+
+ if ( params )
+ {
+ free( params );
+ params = NULL;
+ }
+
+ if ( ret )
+ send_failure( ret );
+ else
+ send_status( test_info.failed );
+ }
+ return( 0 );
+}
+
diff --git a/tests/suites/mbed_test.function b/tests/suites/mbed_test.function
new file mode 100644
index 0000000..e09ed70
--- /dev/null
+++ b/tests/suites/mbed_test.function
@@ -0,0 +1,173 @@
+#line 2 "suites/mbed_test.function"
+/*
+ * *** THIS FILE HAS BEEN MACHINE GENERATED ***
+ *
+ * This file has been machine generated using the script:
+ * {generator_script}
+ *
+ * Test file : {test_file}
+ *
+ * The following files were used to create this file.
+ *
+ * Main code file : {test_main_file}
+ * Platform code file : {test_platform_file}
+ * Helper file : {test_common_helper_file}
+ * Test suite file : {test_case_file}
+ * Test suite data : {test_case_data_file}
+ *
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include <mbedtls/config.h>
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+
+/*----------------------------------------------------------------------------*/
+/* Common helper code */
+
+{test_common_helpers}
+
+#line {line_no} "suites/mbed_test.function"
+
+
+/*----------------------------------------------------------------------------*/
+/* Test Suite Code */
+
+
+#define TEST_SUITE_ACTIVE
+
+{function_headers}
+
+{functions_code}
+
+#line {line_no} "suites/mbed_test.function"
+
+
+/*----------------------------------------------------------------------------*/
+/* Test dispatch code */
+
+
+/**
+ * \brief Evaluates an expression/macro into its literal integer value.
+ * For optimizing space for embedded targets each expression/macro
+ * is identified by a unique identifier instead of string literals.
+ * Identifiers and evaluation code is generated by script:
+ * {generator_script}
+ *
+ * \param exp_id Expression identifier.
+ * \param out_value Pointer to int to hold the integer.
+ *
+ * \return 0 if exp_id is found. 1 otherwise.
+ */
+int get_expression( int32_t exp_id, int32_t * out_value )
+{{
+{expression_code}
+#line {line_no} "suites/mbed_test.function"
+ {{
+ return( KEY_VALUE_MAPPING_NOT_FOUND );
+ }}
+ return( KEY_VALUE_MAPPING_FOUND );
+}}
+
+
+/**
+ * \brief Checks if the dependency i.e. the compile flag is set.
+ * For optimizing space for embedded targets each dependency
+ * is identified by a unique identifier instead of string literals.
+ * Identifiers and check code is generated by script:
+ * {generator_script}
+ *
+ * \param exp_id Dependency identifier.
+ *
+ * \return DEPENDENCY_SUPPORTED if set else DEPENDENCY_NOT_SUPPORTED
+ */
+int dep_check( int dep_id )
+{{
+{dep_check_code}
+#line {line_no} "suites/mbed_test.function"
+ {{
+ return( DEPENDENCY_NOT_SUPPORTED );
+ }}
+}}
+
+
+/**
+ * \brief Function pointer type for test function wrappers.
+ *
+ *
+ * \param void ** Pointer to void pointers. Represents an array of test
+ * function parameters.
+ *
+ * \return void
+ */
+typedef void (*TestWrapper_t)( void ** );
+
+
+/**
+ * \brief Table of test function wrappers. Used by dispatch_test().
+ * This table is populated by script:
+ * {generator_script}
+ *
+ */
+TestWrapper_t test_funcs[] =
+{{
+{dispatch_code}
+#line {line_no} "suites/mbed_test.function"
+}};
+
+
+/**
+ * \brief Dispatches test functions based on function index.
+ *
+ * \param exp_id Test function index.
+ *
+ * \return DISPATCH_TEST_SUCCESS if found
+ * DISPATCH_TEST_FN_NOT_FOUND if not found
+ * DISPATCH_UNSUPPORTED_SUITE if not compile time enabled.
+ */
+int dispatch_test( int func_idx, void ** params )
+{{
+ int ret = DISPATCH_TEST_SUCCESS;
+ TestWrapper_t fp = NULL;
+
+ if ( func_idx < (int)( sizeof(test_funcs)/sizeof( TestWrapper_t ) ) )
+ {{
+ fp = test_funcs[func_idx];
+ if ( fp )
+ fp( params );
+ else
+ ret = ( DISPATCH_UNSUPPORTED_SUITE );
+ }} else
+ {{
+ ret = ( DISPATCH_TEST_FN_NOT_FOUND );
+ }}
+
+ return( ret );
+}}
+
+
+{platform_code}
+
+#line {line_no} "suites/mbed_test.function"
+
+/*----------------------------------------------------------------------------*/
+/* Main Test code */
+
+
+/**
+ * \brief Program main. Invokes platform specific execute_tests().
+ *
+ * \param argc Command line arguments count.
+ * \param argv Array of command line arguments.
+ *
+ * \return Exit code.
+ */
+int main( int argc, const char *argv[] )
+{{
+ return execute_tests( argc, argv );
+}}
+
diff --git a/tests/suites/test_suite_cipher.chachapoly.data b/tests/suites/test_suite_cipher.chachapoly.data
index 1760dc0..ed2455f 100644
--- a/tests/suites/test_suite_cipher.chachapoly.data
+++ b/tests/suites/test_suite_cipher.chachapoly.data
@@ -1,5 +1,5 @@
Decrypt empty buffer
-depends_on:MBEDTLS_CHACHAPOLY_C:
+depends_on:MBEDTLS_CHACHAPOLY_C
dec_empty_buf:
ChaCha20+Poly1305 Encrypt and decrypt 0 bytes