skipNumber

import mir.deser.text.tokenizer : tokenizeString;
import mir.deser.text.tokens : IonTokenizerException;

void test(string ts, char expected) {
    auto t = tokenizeString(ts);
    assert(t.skipNumber() == expected);
}

void testFail(string ts) {
    import std.exception : assertThrown;
    auto t = tokenizeString(ts);
    assertThrown!IonTokenizerException(t.skipNumber());
}

test("", 0);
test("0", 0);
test("-0", 0);
test("-1234567890,", ',');
test("1.2 ", ' ');
test("1d45\n", '\n');
test("1.4e-12//", '/');
testFail("1.2d3d");