/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "utils/strings/numbers.h"
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#include "utils/base/integral_types.h"
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#include "gtest/gtest.h"
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namespace libtextclassifier3 {
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namespace {
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void TestParseInt32(const char *c_str, bool expected_parsing_success,
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int32 expected_parsed_value = 0) {
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int32 parsed_value = 0;
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EXPECT_EQ(expected_parsing_success, ParseInt32(c_str, &parsed_value));
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if (expected_parsing_success) {
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EXPECT_EQ(expected_parsed_value, parsed_value);
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}
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}
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TEST(ParseInt32Test, Normal) {
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TestParseInt32("2", true, 2);
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TestParseInt32("-357", true, -357);
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TestParseInt32("7", true, 7);
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TestParseInt32("+7", true, 7);
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TestParseInt32(" +7", true, 7);
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TestParseInt32("-23", true, -23);
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TestParseInt32(" -23", true, -23);
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}
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TEST(ParseInt32Test, ErrorCases) {
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TestParseInt32("", false);
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TestParseInt32(" ", false);
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TestParseInt32("not-a-number", false);
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TestParseInt32("123a", false);
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}
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void TestParseInt64(const char *c_str, bool expected_parsing_success,
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int64 expected_parsed_value = 0) {
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int64 parsed_value = 0;
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EXPECT_EQ(expected_parsing_success, ParseInt64(c_str, &parsed_value));
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if (expected_parsing_success) {
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EXPECT_EQ(expected_parsed_value, parsed_value);
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}
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}
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TEST(ParseInt64Test, Normal) {
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TestParseInt64("2", true, 2);
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TestParseInt64("-357", true, -357);
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TestParseInt64("7", true, 7);
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TestParseInt64("+7", true, 7);
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TestParseInt64(" +7", true, 7);
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TestParseInt64("-23", true, -23);
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TestParseInt64(" -23", true, -23);
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}
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TEST(ParseInt64Test, ErrorCases) {
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TestParseInt64("", false);
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TestParseInt64(" ", false);
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TestParseInt64("not-a-number", false);
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TestParseInt64("23z", false);
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}
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void TestParseDouble(const char *c_str, bool expected_parsing_success,
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double expected_parsed_value = 0.0) {
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double parsed_value = 0.0;
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EXPECT_EQ(expected_parsing_success, ParseDouble(c_str, &parsed_value));
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if (expected_parsing_success) {
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EXPECT_NEAR(expected_parsed_value, parsed_value, 0.00001);
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}
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}
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TEST(ParseDoubleTest, Normal) {
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TestParseDouble("2", true, 2.0);
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TestParseDouble("-357.023", true, -357.023);
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TestParseDouble("7.04", true, 7.04);
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TestParseDouble("+7.2", true, 7.2);
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TestParseDouble(" +7.236", true, 7.236);
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TestParseDouble("-23.4", true, -23.4);
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TestParseDouble(" -23.4", true, -23.4);
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}
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TEST(ParseDoubleTest, ErrorCases) {
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TestParseDouble("", false);
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TestParseDouble(" ", false);
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TestParseDouble("not-a-number", false);
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TestParseDouble("23.5a", false);
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}
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} // namespace
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} // namespace libtextclassifier3
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