82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
#include "tap.hpp"
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#include "view.hpp"
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#include <algorithm>
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///////////////////////////////////////////////////////////////////////////////
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int
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main (int, char**)
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{
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cruft::TAP::logger tap;
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tap.expect_eq (
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std::size (cruft::make_view ("foo")), 3u,
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"character array view does not include trailing null"
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);
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{
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const std::string s = "this is a test string";
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const std::string t = "not the same string";
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tap.expect_eq (s, cruft::make_view(s), "string/view equality");
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tap.expect_neq (s, cruft::make_view(t), "string/view inequality");
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tap.expect_eq (s.data (), cruft::make_view (s), "c-str/view equality");
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tap.expect_eq (
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s,
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cruft::view<const char*> (&*s.cbegin (), &*s.cend ()),
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"string/pointer-view equality");
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}
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// construction from a std::array
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{
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std::array<std::byte,16> raw;
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cruft::view obj { raw };
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tap.expect_eq (obj.size (), raw.size (), "std::array construction size matches");
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}
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// comparator tests
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{
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static const struct {
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cruft::view<const char*> a;
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cruft::view<const char*> b;
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bool less;
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} TESTS[] = {
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{ "b", "b", false },
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{ "b", "a", false },
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{ "b", "c", true },
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{ "foo", "bar", false },
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{ "bar", "foo", true },
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{ "banana", "banana", false },
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{ "banana", "banan", false },
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{ "banan", "banana", true },
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};
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tap.expect (std::all_of (std::begin (TESTS), std::end (TESTS), [] (const auto &x) {
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return (x.a < x.b) == x.less;
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}), "comparator less-than");
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};
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// slicing
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{
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static const struct {
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const char *init;
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const char *result;
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int a;
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int b;
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const char *message;
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} TESTS[] = {
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{ "01234567", "01234567", 0, 8, "identity, +ve +ve" },
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{ "01234567", "01234567", 0, -1, "identity, +ve -ve" },
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{ "01234567", "", -1, -1, "empty, -ve -ve" },
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{ "01234567", "45", 4, -3, "centre, +ve -ve" },
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};
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for (const auto &t: TESTS) {
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tap.expect_eq (cruft::view { t.init }.slice (t.a, t.b), t.result, "slice; %s", t.message);
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}
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}
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return tap.status ();
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}
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