| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // 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. |
| |
| // Here we are not trying to do anything comprehensive, just to sanity check |
| // that this is hooked up to something. |
| |
| #include <float.h> // for DBL_MIN |
| #include <math.h> // for HUGE_VAL |
| #include "starboard/double.h" |
| #include "starboard/string.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace starboard { |
| namespace nplb { |
| namespace { |
| |
| // positive number |
| TEST(SbStringParseDoubleTest, Positive) { |
| const char kDouble[] = " 123.4"; |
| const double kExpected = 123.4; |
| char* end = NULL; |
| EXPECT_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 7, end); |
| } |
| |
| // positive number without decimal |
| TEST(SbStringParseDoubleTest, PositiveNoDecimal) { |
| const char kDouble[] = " 123"; |
| const double kExpected = 123; |
| char* end = NULL; |
| EXPECT_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 5, end); |
| } |
| |
| // negative number |
| TEST(SbStringParseDoubleTest, Negative) { |
| const char kDouble[] = " -123.4"; |
| const double kExpected = -123.4; |
| char* end = NULL; |
| EXPECT_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 8, end); |
| } |
| |
| // zero (in case it gets confused with null) |
| TEST(SbStringParseDoubleTest, Zero) { |
| const char kDouble[] = "0"; |
| const double kExpected = 0; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 1, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, TabSpacesNewLinePrefix) { |
| const char kDouble[] = "\t \n123.5"; |
| const double kExpected = 123.5; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 8, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, TabSpacesNewLineSuffix) { |
| const char kDouble[] = "123.5\t \n"; |
| const double kExpected = 123.5; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 5, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, ScientificLowerCasePositiveExp) { |
| const char kDouble[] = "123.5e2"; |
| const double kExpected = 12350; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 7, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, ScientificLowerCasePositiveExp2) { |
| const char kDouble[] = "123.5e+2"; |
| const double kExpected = 12350; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 8, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, ScientificLowerCaseNegativeExp) { |
| const char kDouble[] = "123.5e-2"; |
| const double kExpected = 1.235; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 8, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, ScientificUpperCasePositiveExp) { |
| const char kDouble[] = "123.5E2"; |
| const double kExpected = 12350; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 7, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, ScientificUpperCasePositiveExp2) { |
| const char kDouble[] = "123.5E+2"; |
| const double kExpected = 12350; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 8, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, ScientificUpperCaseNegativeExp) { |
| const char kDouble[] = "123.5E-2"; |
| const double kExpected = 1.235; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 8, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, Empty) { |
| const char kDouble[] = ""; |
| const double kExpected = 0.0; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 0, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, Space) { |
| const char kDouble[] = " "; |
| const double kExpected = 0.0; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 0, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, AlphaNumerics) { |
| const char kDouble[] = "alskjdfkldd2"; |
| const double kExpected = 0.0; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 0, end); |
| } |
| |
| // out of bounds |
| TEST(SbStringParseDoubleTest, Huge) { |
| const char kDouble[] = "9e9999"; |
| const double kExpected = HUGE_VAL; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 6, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, HugeNeg) { |
| const char kDouble[] = "-9e9999"; |
| const double kExpected = -HUGE_VAL; |
| char* end = NULL; |
| EXPECT_DOUBLE_EQ(kExpected, SbStringParseDouble(kDouble, &end)); |
| EXPECT_EQ(kDouble + 7, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, Small) { |
| const char kDouble[] = "1e-310"; |
| const double kExpected = DBL_MIN; |
| char* end = NULL; |
| double answer(SbStringParseDouble(kDouble, &end)); |
| EXPECT_GE(kExpected, answer); |
| EXPECT_GT(answer, 0.0); |
| EXPECT_EQ(kDouble + 6, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, SmallNeg) { |
| const char kDouble[] = "-1e-310"; |
| const double kExpected = -DBL_MIN; |
| char* end = NULL; |
| double answer(SbStringParseDouble(kDouble, &end)); |
| EXPECT_LE(kExpected, answer); |
| EXPECT_LT(answer, 0.0); |
| EXPECT_EQ(kDouble + 7, end); |
| } |
| |
| // The following tests are disabled until we decide we want to mimic |
| // C11 behavior in Starboard. NAN and INF supported was added in C11 |
| // test NAN, and INFINITY |
| TEST(SbStringParseDoubleTest, NaN) { |
| const char kNanDoubles[][4] = {"nan", "naN", "nAn", "nAN", |
| "Nan", "NaN", "NAn", "NAN"}; |
| const double kExpected = NAN; |
| char* end = NULL; |
| for (size_t i(0); i != sizeof(kNanDoubles) / sizeof(kNanDoubles[0]); ++i) { |
| EXPECT_TRUE(SbDoubleIsNan(SbStringParseDouble(kNanDoubles[i], &end))); |
| EXPECT_EQ(kNanDoubles[i] + 3, end); |
| } |
| } |
| |
| TEST(SbStringParseDoubleTest, PosInf) { |
| const char kInfDoubles[][4] = {"inf", "inF", "iNf", "iNF", |
| "Inf", "InF", "INf", "INF"}; |
| char* end = NULL; |
| for (size_t i(0); i != sizeof(kInfDoubles) / sizeof(kInfDoubles[0]); ++i) { |
| EXPECT_FALSE(SbDoubleIsFinite(SbStringParseDouble(kInfDoubles[i], &end))); |
| EXPECT_EQ(kInfDoubles[i] + 3, end); |
| } |
| |
| const char kInfinity[] = "InFinIty"; |
| end = NULL; |
| EXPECT_FALSE(SbDoubleIsFinite(SbStringParseDouble(kInfinity, &end))); |
| EXPECT_EQ(kInfinity + 8, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, PosInf2) { |
| const char kInfDoubles[][5] = {"+inf", "+inF", "+iNf", "+iNF", |
| "+Inf", "+InF", "+INf", "+INF"}; |
| char* end = NULL; |
| for (size_t i(0); i != sizeof(kInfDoubles) / sizeof(kInfDoubles[0]); ++i) { |
| EXPECT_FALSE(SbDoubleIsFinite(SbStringParseDouble(kInfDoubles[i], &end))); |
| EXPECT_EQ(kInfDoubles[i] + 4, end); |
| } |
| |
| const char kInfinity[] = "+InFinIty"; |
| end = NULL; |
| EXPECT_FALSE(SbDoubleIsFinite(SbStringParseDouble(kInfinity, &end))); |
| EXPECT_EQ(kInfinity + 9, end); |
| } |
| |
| TEST(SbStringParseDoubleTest, NegInf) { |
| const char kInfDoubles[][5] = {"-inf", "-inF", "-iNf", "-iNF", |
| "-Inf", "-InF", "-INf", "-INF"}; |
| char* end = NULL; |
| for (size_t i(0); i != sizeof(kInfDoubles) / sizeof(kInfDoubles[0]); ++i) { |
| EXPECT_FALSE(SbDoubleIsFinite(SbStringParseDouble(kInfDoubles[i], &end))); |
| EXPECT_EQ(kInfDoubles[i] + 4, end); |
| } |
| |
| const char kInfinity[] = "-InFinIty"; |
| end = NULL; |
| EXPECT_FALSE(SbDoubleIsFinite(SbStringParseDouble(kInfinity, &end))); |
| EXPECT_EQ(kInfinity + 9, end); |
| } |
| |
| } // namespace |
| } // namespace nplb |
| } // namespace starboard |