59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
#include "lfptest.h"
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class hextolfpTest : public lfptest {
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};
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TEST_F(hextolfpTest, PositiveInteger) {
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const char *str = "00001000.00000000";
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l_fp actual;
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l_fp expected = {4096, 0}; // 16^3, no fraction part.
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ASSERT_TRUE(hextolfp(str, &actual));
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EXPECT_TRUE(IsEqual(expected, actual));
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}
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TEST_F(hextolfpTest, NegativeInteger) {
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const char *str = "ffffffff.00000000"; // -1 decimal
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l_fp actual;
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l_fp expected = {-1, 0};
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ASSERT_TRUE(hextolfp(str, &actual));
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EXPECT_TRUE(IsEqual(expected, actual));
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}
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TEST_F(hextolfpTest, PositiveFraction) {
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const char *str = "00002000.80000000"; // 8196.5 decimal
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l_fp actual;
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l_fp expected = {8192, HALF};
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ASSERT_TRUE(hextolfp(str, &actual));
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EXPECT_TRUE(IsEqual(expected, actual));
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}
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TEST_F(hextolfpTest, NegativeFraction) {
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const char *str = "ffffffff.40000000"; // -1 + 0.25 decimal
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l_fp actual;
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l_fp expected = {-1, QUARTER}; //-1 + 0.25
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ASSERT_TRUE(hextolfp(str, &actual));
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EXPECT_TRUE(IsEqual(expected, actual));
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}
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TEST_F(hextolfpTest, IllegalNumberOfInteger) {
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const char *str = "1000000.00000000"; // Missing one digit in integral part.
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l_fp actual;
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ASSERT_FALSE(hextolfp(str, &actual));
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}
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TEST_F(hextolfpTest, IllegalChar) {
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const char *str = "10000000.0000h000"; // Illegal character h.
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l_fp actual;
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ASSERT_FALSE(hextolfp(str, &actual));
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}
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