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-rw-r--r--tomlplusplus/tests/path.cpp592
1 files changed, 592 insertions, 0 deletions
diff --git a/tomlplusplus/tests/path.cpp b/tomlplusplus/tests/path.cpp
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+++ b/tomlplusplus/tests/path.cpp
@@ -0,0 +1,592 @@
+// This file is a part of toml++ and is subject to the the terms of the MIT license.
+// Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
+// See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
+// SPDX-License-Identifier: MIT
+
+#include "tests.hpp"
+TOML_DISABLE_SPAM_WARNINGS;
+
+TEST_CASE("path - parsing")
+{
+ SECTION("parsing")
+ {
+ CHECK(toml::path("").str() == "");
+ CHECK(toml::path("[1]").str() == "[1]");
+ CHECK(toml::path("[1][2]").str() == "[1][2]");
+ CHECK(toml::path(" [1][2]").str() == " [1][2]");
+ CHECK(toml::path("a. .b").str() == "a. .b");
+ CHECK(toml::path("test[23]").str() == "test[23]");
+ CHECK(toml::path("[ 120 ]").str() == "[120]");
+ CHECK(toml::path("[ 120\t\t]").str() == "[120]");
+ CHECK(toml::path("test.value").str() == "test.value");
+ CHECK(toml::path("test[0].value").str() == "test[0].value");
+ CHECK(toml::path("test[1][2]\t .value").str() == "test[1][2].value");
+ CHECK(toml::path("test[1]\t[2].value").str() == "test[1][2].value");
+ CHECK(toml::path(".test[1][2]\t ..value").str() == ".test[1][2]..value");
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ CHECK(toml::path(L"").str() == "");
+ CHECK(toml::path(L"[1]").str() == "[1]");
+ CHECK(toml::path(L"[1][2]").str() == "[1][2]");
+ CHECK(toml::path(L" [1][2]").str() == " [1][2]");
+ CHECK(toml::path(L"a. .b").str() == "a. .b");
+ CHECK(toml::path(L"test[23]").str() == "test[23]");
+ CHECK(toml::path(L"[ 120 ]").str() == "[120]");
+ CHECK(toml::path(L"[ 120\t\t]").str() == "[120]");
+ CHECK(toml::path(L"test.value").str() == "test.value");
+ CHECK(toml::path(L"test[0].value").str() == "test[0].value");
+ CHECK(toml::path(L"test[1][2]\t .value").str() == "test[1][2].value");
+ CHECK(toml::path(L"test[1]\t[2].value").str() == "test[1][2].value");
+ CHECK(toml::path(L".test[1][2]\t ..value").str() == ".test[1][2]..value");
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+ }
+
+ SECTION("parsing - errors")
+ {
+ CHECK(!toml::path("test[][2].value"));
+ CHECK(!toml::path("test[ "));
+ CHECK(!toml::path("test[1]a.b"));
+ CHECK(!toml::path("test[1] a.b"));
+ CHECK(!toml::path("test[1a]"));
+ CHECK(!toml::path("test[a1]"));
+ CHECK(!toml::path("test[1!]"));
+ CHECK(!toml::path("test[!1]"));
+ CHECK(!toml::path("test[1 2]"));
+ CHECK(!toml::path("test[1.2]"));
+ CHECK(!toml::path("test[0.2]"));
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ CHECK(!toml::path(L"test[][2].value"));
+ CHECK(!toml::path(L"test[ "));
+ CHECK(!toml::path(L"test[1]a.b"));
+ CHECK(!toml::path(L"test[1] a.b"));
+ CHECK(!toml::path(L"test[1a]"));
+ CHECK(!toml::path(L"test[a1]"));
+ CHECK(!toml::path(L"test[1!]"));
+ CHECK(!toml::path(L"test[!1]"));
+ CHECK(!toml::path(L"test[1 2]"));
+ CHECK(!toml::path(L"test[1.2]"));
+ CHECK(!toml::path(L"test[0.2]"));
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+ }
+
+ SECTION("parsing from literal")
+ {
+ auto p0 = "a.b.c[1][12]"_tpath;
+ CHECK(p0);
+ CHECK(p0.str() == "a.b.c[1][12]");
+
+ CHECK("ab.cd[1]"_tpath == toml::path("ab.cd[1]"));
+
+ CHECK(("an.invalid.path[a1]"_tpath).str() == "");
+ }
+}
+
+TEST_CASE("path - manipulating")
+{
+ SECTION("parent_node and truncation")
+ {
+ toml::path p0("");
+ CHECK(p0.parent().str() == "");
+
+ toml::path p1("start.middle.end");
+ CHECK(p1.parent().str() == "start.middle");
+ CHECK(p1.parent().parent().str() == "start");
+ CHECK(p1.parent().parent().parent().str() == "");
+ CHECK(p1.parent().parent().parent().parent().str() == "");
+
+ toml::path p2("[1][2][3]");
+ CHECK(p2.parent().str() == "[1][2]");
+ CHECK(p2.parent().parent().str() == "[1]");
+ CHECK(p2.parent().parent().parent().str() == "");
+
+ toml::path p3(".test");
+ CHECK(p3.parent().str() == "");
+
+ toml::path p4("test..");
+ CHECK(p4.parent().str() == "test.");
+ CHECK(p4.parent().parent().str() == "test");
+ CHECK(p4.parent().parent().parent().str() == "");
+
+ toml::path p5("test.key[12].subkey");
+ CHECK(p5.parent().str() == "test.key[12]");
+ CHECK(p5.parent().parent().str() == "test.key");
+ CHECK(p5.parent().parent().parent().str() == "test");
+ CHECK(p5.parent().parent().parent().parent().str() == "");
+
+ toml::path p6("test.key1.key2.key3.key4");
+ CHECK(p6.truncated(0).str() == "test.key1.key2.key3.key4");
+ CHECK(p6.truncated(1).str() == "test.key1.key2.key3");
+ CHECK(p6.truncated(4).str() == "test");
+ CHECK(p6.truncated(5).str() == "");
+ CHECK(p6.truncated(20).str() == "");
+ CHECK(p6.str() == "test.key1.key2.key3.key4");
+
+ p6.truncate(0);
+ CHECK(p6.str() == "test.key1.key2.key3.key4");
+ p6.truncate(2);
+ CHECK(p6.str() == "test.key1.key2");
+ p6.truncate(3);
+ CHECK(p6.str() == "");
+ }
+
+ SECTION("subpath")
+ {
+ toml::path p0("a.simple[1].path[2].object");
+
+ CHECK(p0.subpath(p0.begin() + 1, p0.begin() + 4).str() == "simple[1].path");
+ CHECK(p0.subpath(p0.begin() + 1, p0.end() - 1).str() == "simple[1].path[2]");
+ CHECK(p0.subpath(p0.begin(), p0.begin()).str() == "");
+ CHECK(p0.subpath(p0.begin(), p0.end() - 5).str() == "a");
+ CHECK(p0.subpath(p0.begin() + 2, p0.end() - 1).str() == "[1].path[2]");
+
+ CHECK(p0.subpath(p0.begin() + 5, p0.end() - 5).str() == "");
+ CHECK(!p0.subpath(p0.end(), p0.begin()));
+
+ CHECK(p0.subpath(1, 4).str() == "simple[1].path[2]");
+ CHECK(p0.subpath(0, 0).str() == "");
+ CHECK(p0.subpath(2, 0).str() == "");
+ CHECK(p0.subpath(2, 1).str() == "[1]");
+ }
+
+ SECTION("leaf")
+ {
+ toml::path p0("one.two.three.four.five");
+ CHECK(p0.leaf(0).str() == "");
+ CHECK(p0.leaf().str() == "five");
+ CHECK(p0.leaf(3).str() == "three.four.five");
+ CHECK(p0.leaf(5).str() == "one.two.three.four.five");
+ CHECK(p0.leaf(10).str() == "one.two.three.four.five");
+
+ toml::path p1("[10][2][30][4][50]");
+ CHECK(p1.leaf(0).str() == "");
+ CHECK(p1.leaf().str() == "[50]");
+ CHECK(p1.leaf(3).str() == "[30][4][50]");
+ CHECK(p1.leaf(5).str() == "[10][2][30][4][50]");
+ CHECK(p1.leaf(10).str() == "[10][2][30][4][50]");
+
+ toml::path p2("one[1].two.three[3]");
+ CHECK(p2.leaf(0).str() == "");
+ CHECK(p2.leaf().str() == "[3]");
+ CHECK(p2.leaf(3).str() == "two.three[3]");
+ CHECK(p2.leaf(4).str() == "[1].two.three[3]");
+ CHECK(p2.leaf(10).str() == "one[1].two.three[3]");
+ }
+
+ SECTION("append - string")
+ {
+ toml::path p0("start");
+ CHECK(p0.size() == 1u);
+ CHECK(p0.append("middle.end").str() == "start.middle.end");
+ CHECK(p0.append("[12]").str() == "start.middle.end[12]");
+
+ toml::path p1("");
+ CHECK(p1.size() == 1u);
+ p1.append("[1].key"sv);
+ CHECK(p1.size() == 3u);
+ CHECK(p1.str() == "[1].key"sv);
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ toml::path p2("start");
+ CHECK(p2.size() == 1u);
+ CHECK(p2.append(L"middle.end").str() == "start.middle.end");
+ CHECK(p2.append(L"[12]").str() == "start.middle.end[12]");
+
+ toml::path p3("");
+ CHECK(p3.append(L"[1].key").str() == "[1].key");
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+
+ toml::path p4;
+ CHECK(p4.size() == 0u);
+ CHECK(p4.append("[1].key").str() == "[1].key");
+ }
+
+ SECTION("append - toml::path copy")
+ {
+ toml::path p0("start");
+ toml::path appendee1("middle.end");
+ toml::path appendee2("[12]");
+ CHECK(p0.append(appendee1).str() == "start.middle.end");
+ CHECK(p0.append(appendee2).str() == "start.middle.end[12]");
+
+ // Ensure copies and not moves
+ CHECK(appendee1.str() == "middle.end");
+ CHECK(appendee2.str() == "[12]");
+
+ toml::path p1("");
+ toml::path appendee3("[1].key");
+ CHECK(p1.append(appendee3).str() == "[1].key");
+
+ // Ensure copies and not moves
+ CHECK(appendee3.str() == "[1].key");
+ }
+
+ SECTION("append - toml::path move")
+ {
+ toml::path p0("start");
+ CHECK(p0.append(toml::path{ "middle.end" }).str() == "start.middle.end");
+ CHECK(p0.append(toml::path{ "[12]" }).str() == "start.middle.end[12]");
+
+ toml::path p1("");
+ CHECK(p1.size() == 1u);
+ CHECK(p1.append(toml::path{ "[1].key" }).str() == "[1].key");
+
+ toml::path p2;
+ CHECK(p2.size() == 0u);
+ CHECK(p2.append(toml::path{ "[1].key" }).str() == "[1].key");
+ }
+
+ SECTION("prepend - string")
+ {
+ toml::path p0("start");
+ CHECK(p0.prepend("middle.end").str() == "middle.end.start");
+ CHECK(p0.prepend("[12]").str() == "[12].middle.end.start");
+
+ toml::path p1;
+ CHECK(p1.prepend("[1].key").str() == "[1].key");
+
+ toml::path p2("");
+ CHECK(p2.prepend("[1].key").str() == "[1].key.");
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ toml::path p3("start");
+ CHECK(p3.prepend(L"middle.end").str() == "middle.end.start");
+ CHECK(p3.prepend(L"[12]").str() == "[12].middle.end.start");
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+ }
+
+ SECTION("prepend - toml::path copy")
+ {
+ toml::path p0("start");
+ toml::path prependee1("middle.end");
+ toml::path prependee2("[12]");
+ CHECK(p0.prepend(prependee1).str() == "middle.end.start");
+ CHECK(p0.prepend(prependee2).str() == "[12].middle.end.start");
+
+ // Ensure copies and not moves
+ CHECK(prependee1.str() == "middle.end");
+ CHECK(prependee2.str() == "[12]");
+
+ toml::path p1;
+ toml::path prependee3("[1].key");
+ CHECK(p1.prepend(prependee3).str() == "[1].key");
+
+ // Ensure copies and not moves
+ CHECK(prependee3.str() == "[1].key");
+ }
+
+ SECTION("prepend - toml::path move")
+ {
+ toml::path p0("start");
+ CHECK(p0.prepend(toml::path("middle.end")).str() == "middle.end.start");
+ CHECK(p0.prepend(toml::path("[12]")).str() == "[12].middle.end.start");
+
+ toml::path p1;
+ CHECK(p1.prepend(toml::path("[1].key")).str() == "[1].key");
+ }
+
+ SECTION("alter components")
+ {
+ toml::path p0("start.mid[1][2].end");
+
+ p0[3] = std::size_t{ 13 };
+ CHECK(p0.str() == "start.mid[1][13].end");
+
+ p0[0] = 2u;
+ CHECK(p0.str() == "[2].mid[1][13].end");
+
+ p0[0] = 10;
+ CHECK(p0.str() == "[10].mid[1][13].end");
+
+ p0[3] = "newkey";
+ CHECK(p0.str() == "[10].mid[1].newkey.end");
+ }
+
+ SECTION("assign")
+ {
+ toml::path p0("start.mid[1][2].end");
+ p0.assign("test.key[1]");
+ CHECK(p0.str() == "test.key[1]");
+ p0.assign("");
+ CHECK(p0.str() == "");
+
+ toml::path p1("a.test.path[1]");
+ p1.assign("invalid[abc]");
+ CHECK(!p1);
+ CHECK(p1.str() == "");
+
+ toml::path p2("another[1].test.path");
+ p2.assign(toml::path("test"));
+ CHECK(p2.str() == "test");
+ p2.assign(toml::path(""));
+ CHECK(p2.str() == "");
+
+ toml::path p3("final.test[1]");
+ p3.assign(toml::path("invalid[abc"));
+ CHECK(!p3);
+ CHECK(p3.str() == "");
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ toml::path p4("start.mid[1][2].end");
+ p4.assign(L"test.key[1]");
+ CHECK(p4.str() == "test.key[1]");
+ p4.assign("");
+ CHECK(p4.str() == "");
+
+ toml::path p5("a.test.path[1]");
+ p5.assign("invalid[abc]");
+ CHECK(!p5);
+ CHECK(p5.str() == "");
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+ }
+}
+
+TEST_CASE("path - operators")
+{
+ SECTION("object equality")
+ {
+ CHECK(toml::path("a.b.c") == toml::path("a.b.c"));
+ CHECK(toml::path("[1].a") == toml::path("[1].a"));
+
+ CHECK(toml::path("a.b.c") != toml::path("a.b"));
+ CHECK(toml::path("[1].b") != toml::path("[1].b.c"));
+ }
+
+ SECTION("string equality")
+ {
+ CHECK(toml::path("a.b.c") == "a.b.c");
+ CHECK(toml::path("[1].a") == "[1].a");
+
+ CHECK(toml::path("a.b.c") != "a.b");
+ CHECK(toml::path("[1].b") != "[1].b.c");
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ CHECK(toml::path("a.b.c") == L"a.b.c");
+ CHECK(toml::path("[1].a") == L"[1].a");
+
+ CHECK(toml::path("a.b.c") != L"a.b");
+ CHECK(toml::path("[1].b") != L"[1].b.c");
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+ }
+
+ SECTION("arithmetic")
+ {
+ CHECK(toml::path("a.b.c") + "a[1]" == "a.b.c.a[1]");
+ CHECK((toml::path("a.b.c") + "a[1]") == "a.b.c.a[1]");
+
+ CHECK(toml::path("a.b.c") + toml::path("a[1]") == "a.b.c.a[1]");
+
+ toml::path p1("a.b");
+ toml::path p2("c[1]");
+ CHECK(p1 + p2 == "a.b.c[1]");
+
+ CHECK(p1 + "c[1]" == "a.b.c[1]");
+
+ CHECK("a.b" + p2 == "a.b.c[1]");
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ CHECK(toml::path("a.b.c") + L"a[1]" == "a.b.c.a[1]");
+
+ CHECK(p1 + L"c[1]" == "a.b.c[1]");
+
+ CHECK(L"a.b" + p2 == "a.b.c[1]");
+
+#endif // TOML_ENABLE_WINDOWS_COMPAT
+ }
+}
+
+TEST_CASE("path - misc")
+{
+ CHECK(toml::path{ "" }.str() == "");
+ CHECK(toml::path{ "a" }.str() == "a");
+ CHECK(toml::path{ "a.b" }.str() == "a.b");
+ CHECK(toml::path{ "a.b.c" }.str() == "a.b.c");
+ CHECK(toml::path{ ".a.b.c" }.str() == ".a.b.c");
+
+ CHECK(toml::path{}.empty());
+ CHECK(!toml::path{ "" }.empty());
+ CHECK(!toml::path{ "a" }.empty());
+
+ CHECK(static_cast<std::string>(toml::path("a.b[1]")) == "a.b[1]");
+ CHECK(static_cast<bool>(toml::path("a.b[1]")));
+ CHECK(!static_cast<bool>(toml::path("a.b[a b]")));
+
+#if TOML_ENABLE_WINDOWS_COMPAT
+
+ CHECK(static_cast<std::wstring>(toml::path("a.b[1]")) == L"a.b[1]");
+
+#endif
+}
+
+TEST_CASE("path - accessing")
+{
+ // clang-format off
+
+ const auto tbl = table
+ {
+ { ""sv, 0 }, // blank key
+ { "a"sv, 1 },
+ {
+ "b"sv,
+ array
+ {
+ 2,
+ array{ 3 },
+ table { { "c", 4 } }
+ },
+ },
+ { "d", table{ {"e", 5, }, {""sv, -1 } } }
+ };
+
+ // clang-format on
+
+ /*
+
+ # equivalent to the following TOML:
+
+ "" = 0
+ a = 1
+ b = [
+ 2,
+ [ 3 ],
+ { "c" = 4 }
+ ]
+ d = { "e" = 5, "" = -1 }
+
+ */
+
+ SECTION("table")
+ {
+ // this section uses the free function version of at_path
+
+ CHECK(tbl[""]);
+ CHECK(tbl[""] == at_path(tbl, toml::path("")));
+
+ CHECK(tbl["a"]);
+ CHECK(tbl["a"] == at_path(tbl, toml::path("a")));
+ CHECK(tbl["a"] != at_path(tbl, toml::path(".a"))); // equivalent to ""."a"
+ CHECK(!at_path(tbl, toml::path(".a")));
+
+ CHECK(tbl["b"]);
+ CHECK(tbl["b"] == at_path(tbl, toml::path("b")));
+
+ CHECK(tbl["b"][0]);
+ CHECK(tbl["b"][0] == at_path(tbl, toml::path("b[0]")));
+ CHECK(tbl["b"][0] == at_path(tbl, toml::path("b[0] ")));
+ CHECK(tbl["b"][0] == at_path(tbl, toml::path("b[ 0\t]"))); // whitespace is allowed inside array indexer
+
+ CHECK(tbl["b"][1]);
+ CHECK(tbl["b"][1] != tbl["b"][0]);
+ CHECK(tbl["b"][1] == at_path(tbl, toml::path("b[1]")));
+
+ CHECK(tbl["b"][1][0]);
+ CHECK(tbl["b"][1][0] == at_path(tbl, toml::path("b[1][0]")));
+ CHECK(tbl["b"][1][0] == at_path(tbl, toml::path("b[1] \t [0]"))); // whitespace is allowed after array
+ // indexers
+
+ CHECK(tbl["b"][2]["c"]);
+ CHECK(tbl["b"][2]["c"] == at_path(tbl, toml::path("b[2].c")));
+ CHECK(tbl["b"][2]["c"] == at_path(tbl, toml::path("b[2] \t.c"))); // whitespace is allowed after array
+ // indexers
+
+ CHECK(tbl["d"]);
+ CHECK(tbl["d"] == at_path(tbl, toml::path("d")));
+
+ CHECK(tbl["d"]["e"]);
+ CHECK(tbl["d"]["e"] == at_path(tbl, toml::path("d.e")));
+ CHECK(tbl["d"]["e"] != at_path(tbl, toml::path("d. e"))); // equivalent to "d"." e"
+ CHECK(!at_path(tbl, toml::path("d. e")));
+
+ CHECK(tbl["d"][""]);
+ CHECK(tbl["d"][""] == at_path(tbl, toml::path("d.")));
+
+ CHECK(!at_path(tbl, toml::path("has.missing.component")));
+ }
+
+ SECTION("array")
+ {
+ // this section uses the node_view member function version of at_path
+
+ auto arr = tbl["b"];
+
+ CHECK(tbl["b"][0]);
+ CHECK(tbl["b"][0] == arr.at_path(toml::path("[0]")));
+ CHECK(tbl["b"][0] == arr.at_path(toml::path("[0] ")));
+ CHECK(tbl["b"][0] == arr.at_path(toml::path("[ 0\t]"))); // whitespace is allowed inside array indexer
+
+ CHECK(tbl["b"][1]);
+ CHECK(tbl["b"][1].node() != arr[0].node());
+ CHECK(tbl["b"][1] == arr.at_path(toml::path("[1]")));
+
+ CHECK(tbl["b"][1][0]);
+ CHECK(tbl["b"][1][0] == arr.at_path(toml::path("[1][0]")));
+ CHECK(tbl["b"][1][0] == arr.at_path(toml::path("[1] \t [0]"))); // whitespace is allowed after array
+ // indexers
+
+ CHECK(tbl["b"][2]["c"]);
+ CHECK(tbl["b"][2]["c"] == arr.at_path(toml::path("[2].c")));
+ CHECK(tbl["b"][2]["c"] == arr.at_path(toml::path("[2] \t.c"))); // whitespace is allowed after array indexers
+
+ CHECK(!arr.at_path(toml::path("[3].missing.component")));
+ }
+
+ SECTION("indexing operator")
+ {
+ // this section uses the operator[] of table and node_view
+ CHECK(tbl[""]);
+ CHECK(tbl[""] == tbl[toml::path("")]);
+
+ CHECK(tbl["a"]);
+ CHECK(tbl["a"] == tbl[toml::path("a")]);
+ CHECK(tbl["a"] != tbl[toml::path(".a")]); // equivalent to ""."a"
+ CHECK(!tbl[toml::path(".a")]);
+
+ CHECK(tbl["b"]);
+ CHECK(tbl["b"] == tbl[toml::path("b")]);
+
+ CHECK(tbl["b"][0]);
+ CHECK(tbl["b"][0] == tbl[toml::path("b[0]")]);
+ CHECK(tbl["b"][0] == tbl[toml::path("b[0] ")]);
+ CHECK(tbl["b"][0] == tbl[toml::path("b[ 0\t]")]); // whitespace is allowed inside array indexer
+
+ CHECK(tbl["b"][1]);
+ CHECK(tbl["b"][1] != tbl[toml::path("b")][0]);
+ CHECK(tbl["b"][1] == tbl[toml::path("b[1]")]);
+
+ CHECK(tbl["b"][1][0]);
+ CHECK(tbl["b"][1][0] == tbl[toml::path("b[1]")][0]);
+ CHECK(tbl["b"][1][0] == tbl[toml::path("b[1] \t [0]")]); // whitespace is allowed after array
+ // indexers
+
+ CHECK(tbl["b"][2]["c"]);
+ CHECK(tbl["b"][2]["c"] == tbl[toml::path("b")][toml::path("[2].c")]);
+ CHECK(tbl["b"][2]["c"] == tbl[toml::path("b[2] \t.c")]); // whitespace is allowed after array
+ // indexers
+
+ CHECK(tbl["d"]);
+ CHECK(tbl["d"] == tbl[toml::path("d")]);
+
+ CHECK(tbl["d"]["e"]);
+ CHECK(tbl["d"]["e"] == tbl[toml::path("d.e")]);
+ CHECK(tbl["d"]["e"] != tbl[toml::path("d. e")]); // equivalent to "d"." e"
+ CHECK(!tbl[toml::path("d. e")]);
+
+ CHECK(tbl["d"][""]);
+ CHECK(tbl["d"][""] == tbl[toml::path("d.")]);
+
+ CHECK(!tbl[toml::path("has.missing.component")]);
+ }
+}