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406 lines
9.8 KiB
C++
406 lines
9.8 KiB
C++
/** @file testSplitVector.cxx
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** Unit Tests for Scintilla internal data structures
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**/
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#include <cstddef>
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#include <cstring>
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#include <stdexcept>
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#include <string_view>
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#include <vector>
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#include <optional>
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#include <algorithm>
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#include <memory>
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#include "Debugging.h"
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#include "Position.h"
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#include "SplitVector.h"
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#include "catch.hpp"
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using namespace Scintilla::Internal;
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// Test SplitVector.
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using UniqueInt = std::unique_ptr<int>;
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// Test SplitVector.
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TEST_CASE("CompileCopying SplitVector") {
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// These are compile-time tests to check that basic copy and move
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// operations are defined correctly.
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SECTION("CopyingMoving") {
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SplitVector<int> s;
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SplitVector<int> s2;
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// Copy constructor fails
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SplitVector<int> sa(s);
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// Copy assignment fails
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SplitVector<int> sb;
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sb = s;
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// Move constructor fails
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SplitVector<int> sc(std::move(s));
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// Move assignment fails
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SplitVector<int> sd;
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sd = (std::move(s2));
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}
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SECTION("MoveOnly") {
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SplitVector<UniqueInt> s;
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#if defined(SHOW_COPY_BUILD_FAILURES)
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// Copy is not defined for std::unique_ptr
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// Copy constructor fails
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SplitVector<UniqueInt> sa(s);
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// Copy assignment fails
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SplitVector<UniqueInt> sb;
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sb = s;
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#endif
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// Move constructor fails
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SplitVector<UniqueInt> sc(std::move(s));
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// Move assignment fails
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SplitVector<UniqueInt> sd;
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sd = (std::move(s));
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}
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}
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struct StringSetHolder {
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SplitVector<std::string> sa;
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bool Check() const noexcept {
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for (int i = 0; i < sa.Length(); i++) {
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if (sa[i].empty()) {
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return false;
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}
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}
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return true;
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}
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};
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constexpr int lengthTestArray = 4;
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static const int testArray[4] = {3, 4, 5, 6};
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TEST_CASE("SplitVector") {
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SplitVector<int> sv;
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SECTION("IsEmptyInitially") {
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REQUIRE(0 == sv.Length());
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}
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SECTION("InsertOne") {
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sv.InsertValue(0, 10, 0);
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sv.Insert(5, 3);
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REQUIRE(11 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(((i == 5) ? 3 : 0) == sv.ValueAt(i));
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}
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}
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SECTION("Insertion") {
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sv.InsertValue(0, 10, 0);
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REQUIRE(10 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(0 == sv.ValueAt(i));
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}
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}
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SECTION("InsertionString") {
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// This test failed an earlier version of SplitVector that copied backwards incorrectly
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StringSetHolder ssh;
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ssh.sa.Insert(0, "Alpha");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Beta");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Cat");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(1, "Dog");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Elephant");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(1, "Fox");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Grass");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(1, "Hat");
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REQUIRE(ssh.Check());
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ssh.sa.Delete(4);
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Indigo");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(1, "Jackal");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Kanga");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(1, "Lion");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(0, "Mango");
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REQUIRE(ssh.Check());
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ssh.sa.Insert(1, "Neon");
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REQUIRE(ssh.Check());
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}
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SECTION("InsertionPattern") {
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sv.Insert(0, 1); // 1
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sv.Insert(0, 2); // 21
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sv.Insert(0, 3); // 321
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sv.Insert(1, 4); // 3421
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sv.Insert(0, 5); // 53421
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sv.Insert(1, 6); // 563421
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sv.Insert(0, 7); // 7563421
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sv.Insert(1, 8); // 78563421
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REQUIRE(8 == sv.Length());
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REQUIRE(7 == sv.ValueAt(0));
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REQUIRE(8 == sv.ValueAt(1));
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REQUIRE(5 == sv.ValueAt(2));
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REQUIRE(6 == sv.ValueAt(3));
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REQUIRE(3 == sv.ValueAt(4));
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REQUIRE(4 == sv.ValueAt(5));
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REQUIRE(2 == sv.ValueAt(6));
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REQUIRE(1 == sv.ValueAt(7));
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sv.Delete(4); // 7856421
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REQUIRE(7 == sv.Length());
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REQUIRE(7 == sv.ValueAt(0));
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REQUIRE(8 == sv.ValueAt(1));
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REQUIRE(5 == sv.ValueAt(2));
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REQUIRE(6 == sv.ValueAt(3));
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REQUIRE(4 == sv.ValueAt(4));
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REQUIRE(2 == sv.ValueAt(5));
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REQUIRE(1 == sv.ValueAt(6));
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sv.Insert(0, 9); // 97856421
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sv.Insert(1, 0xa); // 9a7856421
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sv.Insert(0, 0xb); // b9a7856421
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sv.Insert(1, 0xc); // bc9a7856421
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sv.Insert(0, 0xd); // dbc9a7856421
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sv.Insert(1, 0xe); // debc9a7856421
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REQUIRE(13 == sv.Length());
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REQUIRE(0xd == sv.ValueAt(0));
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REQUIRE(0xe == sv.ValueAt(1));
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REQUIRE(0xb == sv.ValueAt(2));
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REQUIRE(0xc == sv.ValueAt(3));
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REQUIRE(9 == sv.ValueAt(4));
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REQUIRE(0xa == sv.ValueAt(5));
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REQUIRE(7 == sv.ValueAt(6));
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REQUIRE(8 == sv.ValueAt(7));
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REQUIRE(5 == sv.ValueAt(8));
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REQUIRE(6 == sv.ValueAt(9));
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REQUIRE(4 == sv.ValueAt(10));
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REQUIRE(2 == sv.ValueAt(11));
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REQUIRE(1 == sv.ValueAt(12));
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}
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SECTION("EnsureLength") {
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sv.EnsureLength(4);
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REQUIRE(4 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(0 == sv.ValueAt(i));
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}
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}
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SECTION("InsertFromArray") {
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sv.InsertFromArray(0, testArray, 0, lengthTestArray);
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REQUIRE(lengthTestArray == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE((i+3) == sv.ValueAt(i));
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}
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}
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SECTION("InsertEmpty") {
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sv.InsertEmpty(0, 0);
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REQUIRE(0 == sv.Length());
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int *pi = sv.InsertEmpty(0, 2);
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REQUIRE(2 == sv.Length());
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REQUIRE(0 == sv.ValueAt(0));
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REQUIRE(0 == sv.ValueAt(1));
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pi[0] = 4;
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pi[1] = 5;
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REQUIRE(4 == sv.ValueAt(0));
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REQUIRE(5 == sv.ValueAt(1));
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pi = sv.InsertEmpty(1, 2);
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pi[0] = 6;
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pi[1] = 7;
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REQUIRE(4 == sv.Length());
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REQUIRE(4 == sv.ValueAt(0));
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REQUIRE(6 == sv.ValueAt(1));
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REQUIRE(7 == sv.ValueAt(2));
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REQUIRE(5 == sv.ValueAt(3));
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}
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SECTION("SetValue") {
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sv.InsertValue(0, 10, 0);
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sv.SetValueAt(5, 3);
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REQUIRE(10 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(((i == 5) ? 3 : 0) == sv.ValueAt(i));
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}
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// Move the gap
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sv.InsertValue(7, 1, 17);
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REQUIRE(17 == sv.ValueAt(7));
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REQUIRE(0 == sv.ValueAt(8));
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// Set after the gap
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sv.SetValueAt(8, 19);
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REQUIRE(19 == sv.ValueAt(8));
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}
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SECTION("Indexing") {
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sv.InsertValue(0, 10, 0);
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sv.SetValueAt(5, 3);
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REQUIRE(10 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(((i == 5) ? 3 : 0) == sv[i]);
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}
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}
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SECTION("Fill") {
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sv.InsertValue(0, 10, 0);
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REQUIRE(10 == sv.Length());
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sv.InsertValue(7, 1, 1);
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REQUIRE(11 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(((i == 7) ? 1 : 0) == sv.ValueAt(i));
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}
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}
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SECTION("DeleteOne") {
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sv.InsertFromArray(0, testArray, 0, lengthTestArray);
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sv.Delete(2);
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REQUIRE((lengthTestArray-1) == sv.Length());
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REQUIRE(3 == sv[0]);
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REQUIRE(4 == sv[1]);
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REQUIRE(6 == sv[2]);
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}
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SECTION("DeleteRange") {
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sv.InsertValue(0, 10, 0);
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REQUIRE(10 == sv.Length());
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sv.InsertValue(7, 1, 1);
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REQUIRE(11 == sv.Length());
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sv.DeleteRange(2, 3);
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REQUIRE(8 == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(((i == 4) ? 1 : 0) == sv.ValueAt(i));
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}
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}
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SECTION("DeleteAll") {
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sv.InsertValue(0, 10, 0);
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sv.InsertValue(7, 1, 1);
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sv.DeleteRange(2, 3);
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sv.DeleteAll();
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REQUIRE(0 == sv.Length());
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}
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SECTION("GetRange") {
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sv.InsertValue(0, 10, 0);
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sv.InsertValue(7, 1, 1);
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int retrieveArray[11] = {0};
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sv.GetRange(retrieveArray, 0, 11);
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE(((i==7) ? 1 : 0) == retrieveArray[i]);
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}
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}
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SECTION("GetRangeOverGap") {
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sv.InsertFromArray(0, testArray, 0, lengthTestArray);
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REQUIRE(lengthTestArray == sv.Length());
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int retrieveArray[lengthTestArray] = {0};
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sv.GetRange(retrieveArray, 0, lengthTestArray);
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for (int i=0; i<sv.Length(); i++) {
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REQUIRE((i+3) == retrieveArray[i]);
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}
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}
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SECTION("ReplaceUp") {
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// Replace each element by inserting and then deleting the displaced element
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// This should perform many moves
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constexpr int testLength=105;
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sv.EnsureLength(testLength);
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for (int i=0; i<testLength; i++)
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sv.SetValueAt(i, i+2);
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REQUIRE(testLength == sv.Length());
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for (int i=0; i<sv.Length(); i++) {
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sv.InsertValue(i, 1, i+9);
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sv.Delete(i+1);
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}
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for (int i=0; i<sv.Length(); i++)
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REQUIRE((i+9) == sv.ValueAt(i));
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}
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SECTION("ReplaceDown") {
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// From the end, replace each element by inserting and then deleting the displaced element
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// This should perform many moves
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constexpr int testLength=24;
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sv.EnsureLength(testLength);
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for (int i=0; i<testLength; i++)
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sv.SetValueAt(i, i+12);
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REQUIRE(testLength == sv.Length());
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for (ptrdiff_t i=sv.Length()-1; i>=0; i--) {
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sv.InsertValue(i, 1, static_cast<int>(i+5));
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sv.Delete(i+1);
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}
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for (int i=0; i<sv.Length(); i++)
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REQUIRE((i+5) == sv.ValueAt(i));
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}
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SECTION("BufferPointer") {
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// Low-level access to the data
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sv.InsertFromArray(0, testArray, 0, lengthTestArray);
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sv.Insert(0, 99); // This moves the gap so that BufferPointer() must also move
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REQUIRE(1 == sv.GapPosition());
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constexpr int lengthAfterInsertion = 1 + lengthTestArray;
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REQUIRE(lengthAfterInsertion == (sv.Length()));
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const int *retrievePointer = sv.BufferPointer();
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for (int i=1; i<sv.Length(); i++) {
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REQUIRE((i+3-1) == retrievePointer[i]);
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}
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REQUIRE(lengthAfterInsertion == sv.Length());
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// Gap was moved to end.
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REQUIRE(lengthAfterInsertion == sv.GapPosition());
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}
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SECTION("DeleteBackAndForth") {
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sv.InsertValue(0, 10, 87);
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for (int i=0; i<10; i+=2) {
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int len = 10 - i;
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REQUIRE(len == sv.Length());
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for (int j=0; j<sv.Length(); j++) {
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REQUIRE(87 == sv.ValueAt(j));
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}
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sv.Delete(len-1);
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sv.Delete(0);
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}
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}
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SECTION("GrowSize") {
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sv.SetGrowSize(5);
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REQUIRE(5 == sv.GetGrowSize());
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}
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SECTION("OutsideBounds") {
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sv.InsertValue(0, 10, 87);
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REQUIRE(0 == sv.ValueAt(-1));
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REQUIRE(0 == sv.ValueAt(10));
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/* Could be a death test as this asserts:
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sv.SetValueAt(-1,98);
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sv.SetValueAt(10,99);
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REQUIRE(0 == sv.ValueAt(-1));
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REQUIRE(0 == sv.ValueAt(10));
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*/
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}
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}
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