xref: /aosp_15_r20/external/pdfium/xfa/fxfa/parser/cxfa_localevalue_unittest.cpp (revision 3ac0a46f773bac49fa9476ec2b1cf3f8da5ec3a4)
1 // Copyright 2018 The PDFium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "xfa/fxfa/parser/cxfa_localevalue.h"
6 
7 #include "testing/gtest/include/gtest/gtest.h"
8 
9 namespace {
10 
11 // We don't expect more precision than a float's worth from this code.
MakeDoubleNumAsFloat(const wchar_t * str)12 float MakeDoubleNumAsFloat(const wchar_t* str) {
13   return static_cast<float>(
14       CXFA_LocaleValue(CXFA_LocaleValue::ValueType::kFloat, str, nullptr)
15           .GetDoubleNum());
16 }
17 
18 }  // namespace
19 
TEST(CXFALocaleValueTest,GetDoubleNum)20 TEST(CXFALocaleValueTest, GetDoubleNum) {
21   EXPECT_EQ(0.0, MakeDoubleNumAsFloat(L""));
22   EXPECT_EQ(0.0, MakeDoubleNumAsFloat(L"0"));
23   EXPECT_EQ(0.0, MakeDoubleNumAsFloat(L"0."));
24   EXPECT_EQ(0.0, MakeDoubleNumAsFloat(L"0.0"));
25   EXPECT_EQ(0.0, MakeDoubleNumAsFloat(L"0.x"));
26   EXPECT_EQ(7.0, MakeDoubleNumAsFloat(L"7.x"));
27   EXPECT_FLOAT_EQ(0.54321f, MakeDoubleNumAsFloat(L".54321"));
28   EXPECT_FLOAT_EQ(0.54321f, MakeDoubleNumAsFloat(L"0.54321"));
29   EXPECT_FLOAT_EQ(0.54321f, MakeDoubleNumAsFloat(L"+0.54321"));
30   EXPECT_FLOAT_EQ(0.54321f, MakeDoubleNumAsFloat(L"   +0.54321"));
31   EXPECT_FLOAT_EQ(-0.54321f, MakeDoubleNumAsFloat(L"-.54321"));
32   EXPECT_FLOAT_EQ(-0.54321f, MakeDoubleNumAsFloat(L"-0.54321"));
33   EXPECT_FLOAT_EQ(-0.54321f, MakeDoubleNumAsFloat(L"  -0.54321"));
34   EXPECT_FLOAT_EQ(-0.054321f, MakeDoubleNumAsFloat(L"-0.54321e-1"));
35   EXPECT_FLOAT_EQ(-0.54321f, MakeDoubleNumAsFloat(L"-0.54321e0"));
36   EXPECT_FLOAT_EQ(-5.4321f, MakeDoubleNumAsFloat(L"-0.54321e1"));
37 }
38