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upload android base code part3

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August 2018-08-08 16:48:17 +08:00
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android/art/test/701-easy-div-rem/genMain.py Normal file
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# Copyright (C) 2014 The Android Open Source Project
#
# 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.
upper_bound_int_pow2 = 31
upper_bound_int_pow2_neg = 32
upper_bound_long_pow2 = 63
upper_bound_long_pow2_neg = 64
upper_bound_constant = 100
all_tests = [
({'@INT@': 'int', '@SUFFIX@':''},
[('CheckDiv', 'idiv_by_pow2_', [2**i for i in range(upper_bound_int_pow2)]),
('CheckDiv', 'idiv_by_pow2_neg_', [-2**i for i in range(upper_bound_int_pow2_neg)]),
('CheckDiv', 'idiv_by_constant_', [i for i in range(1, upper_bound_constant)]),
('CheckDiv', 'idiv_by_constant_neg_', [-i for i in range(1, upper_bound_constant)]),
('CheckRem', 'irem_by_pow2_', [2**i for i in range(upper_bound_int_pow2)]),
('CheckRem', 'irem_by_pow2_neg_', [-2**i for i in range(upper_bound_int_pow2_neg)]),
('CheckRem', 'irem_by_constant_', [i for i in range(1, upper_bound_constant)]),
('CheckRem', 'irem_by_constant_neg_', [-i for i in range(1, upper_bound_constant)])]),
({'@INT@': 'long', '@SUFFIX@': 'l'},
[('CheckDiv', 'ldiv_by_pow2_', [2**i for i in range(upper_bound_long_pow2)]),
('CheckDiv', 'ldiv_by_pow2_neg_', [-2**i for i in range(upper_bound_long_pow2_neg)]),
('CheckDiv', 'ldiv_by_constant_', [i for i in range(1, upper_bound_constant)]),
('CheckDiv', 'ldiv_by_constant_neg_', [-i for i in range(1, upper_bound_constant)]),
('CheckRem', 'lrem_by_pow2_', [2**i for i in range(upper_bound_long_pow2)]),
('CheckRem', 'lrem_by_pow2_neg_', [-2**i for i in range(upper_bound_long_pow2_neg)]),
('CheckRem', 'lrem_by_constant_', [i for i in range(1, upper_bound_constant)]),
('CheckRem', 'lrem_by_constant_neg_', [-i for i in range(1, upper_bound_constant)])])
]
def subst_vars(variables, text):
'''Substitute variables in text.'''
for key, value in variables.iteritems():
text = text.replace(str(key), str(value))
return text
# Generate all the function bodies (in decls) and all the function calls (in calls).
decls, calls = '', {}
for default_vars, tests in all_tests:
local_vars = default_vars.copy()
int_type = local_vars['@INT@']
for checker, name, values in tests:
local_vars['@CHECKER@'] = checker
for i, value in enumerate(values):
local_vars['@NAME@'] = name + str(i)
local_vars['@VALUE@'] = value
local_vars['@OP@'] = '/' if 'div' in name else '%'
# Function body.
decls += subst_vars(local_vars, '''
public static @INT@ @NAME@(@INT@ x) {return x @OP@ @VALUE@@SUFFIX@;}''')
# Function call and test.
calls[int_type] = calls.get(int_type, '') + subst_vars(local_vars, '''
@INT@@CHECKER@("@NAME@", @NAME@(x), x, @VALUE@@SUFFIX@);''')
# Generate the checkers.
checkers = ''
local_vars = {}
for int_type in ('int', 'long'):
local_vars['@INT@'] = int_type
for op, op_name in (('/', 'Div'), ('%', 'Rem')):
local_vars['@OP@'] = op
local_vars['@OP_NAME@'] = op_name
checkers += subst_vars(local_vars, '''
public static void @INT@Check@OP_NAME@(String desc, @INT@ result, @INT@ dividend, @INT@ divisor) {
@INT@ correct_result = dividend @OP@ divisor;
if (result != correct_result) {
reportError(desc + "(" + dividend + ") == " + result +
" should be " + correct_result);
}
}''')
code = \
'''/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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.
*/
public class Main {
public static int num_errors = 0;
public static void reportError(String message) {
if (num_errors == 10) {
System.out.println("Omitting other error messages...");
} else if (num_errors < 10) {
System.out.println(message);
}
num_errors += 1;
}
%s
%s
public static void intCheckAll(int x) {%s
}
public static void longCheckAll(long x) {%s
}
public static void main(String[] args) {
int i;
long l;
System.out.println("Begin");
System.out.println("Int: checking some equally spaced dividends...");
for (i = -1000; i < 1000; i += 300) {
intCheckAll(i);
intCheckAll(-i);
}
System.out.println("Int: checking small dividends...");
for (i = 1; i < 100; i += 1) {
intCheckAll(i);
intCheckAll(-i);
}
System.out.println("Int: checking big dividends...");
for (i = 0; i < 100; i += 1) {
intCheckAll(Integer.MAX_VALUE - i);
intCheckAll(Integer.MIN_VALUE + i);
}
System.out.println("Long: checking some equally spaced dividends...");
for (l = 0l; l < 1000000000000l; l += 300000000000l) {
longCheckAll(l);
longCheckAll(-l);
}
System.out.println("Long: checking small dividends...");
for (l = 1l; l < 100l; l += 1l) {
longCheckAll(l);
longCheckAll(-l);
}
System.out.println("Long: checking big dividends...");
for (l = 0l; l < 100l; l += 1l) {
longCheckAll(Long.MAX_VALUE - l);
longCheckAll(Long.MIN_VALUE + l);
}
System.out.println("End");
}
}
''' % (checkers, decls, calls['int'], calls['long'])
with open('src/Main.java', 'w') as f:
f.write(code)