fc0262419a
Summary: This is a continuation of development of the runtime support library's functions for CHARACTER data; specifically, it implements CHARACTER comparisons. It includes a new unit test, and moves an #include directive to the runtime's unit testing main header. Reviewers: tskeith, sscalpone, DavidTruby, jdoerfert Reviewed By: tskeith Subscribers: flang-commits, mgorny, llvm-commits Tags: #llvm, #flang Differential Revision: https://reviews.llvm.org/D78826
60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Basic sanity tests of CHARACTER API; exhaustive testing will be done
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// in Fortran.
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#include "../../runtime/character.h"
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#include "testing.h"
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#include <cstring>
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using namespace Fortran::runtime;
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static void AppendAndPad(std::size_t limit) {
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char x[8];
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std::size_t xLen{0};
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std::memset(x, 0, sizeof x);
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xLen = RTNAME(CharacterAppend1)(x, limit, xLen, "abc", 3);
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xLen = RTNAME(CharacterAppend1)(x, limit, xLen, "DE", 2);
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RTNAME(CharacterPad1)(x, limit, xLen);
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if (xLen > limit) {
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Fail() << "xLen " << xLen << ">" << limit << '\n';
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}
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if (x[limit]) {
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Fail() << "x[" << limit << "]='" << x[limit] << "'\n";
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x[limit] = '\0';
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}
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if (std::memcmp(x, "abcDE ", limit)) {
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Fail() << "x = '" << x << "'\n";
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}
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}
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static void TestCharCompare(const char *x, const char *y, std::size_t xBytes,
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std::size_t yBytes, int expect) {
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int cmp{RTNAME(CharacterCompareScalar1)(x, y, xBytes, yBytes)};
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if (cmp != expect) {
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char buf[2][8];
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std::memset(buf, 0, sizeof buf);
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std::memcpy(buf[0], x, xBytes);
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std::memcpy(buf[1], y, yBytes);
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Fail() << "compare '" << buf[0] << "'(" << xBytes << ") to '" << buf[1]
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<< "'(" << yBytes << "), got " << cmp << ", should be " << expect
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<< '\n';
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}
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}
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static void Compare(const char *x, const char *y, std::size_t xBytes,
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std::size_t yBytes, int expect) {
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TestCharCompare(x, y, xBytes, yBytes, expect);
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TestCharCompare(y, x, yBytes, xBytes, -expect);
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}
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int main() {
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StartTests();
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for (std::size_t j{0}; j < 8; ++j) {
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AppendAndPad(j);
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}
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Compare("abc", "abc", 3, 3, 0);
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Compare("abc", "def", 3, 3, -1);
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Compare("ab ", "abc", 3, 2, 0);
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Compare("abc", "abc", 2, 3, -1);
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return EndTests();
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}
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