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37 lines
3.0 KiB
C++
37 lines
3.0 KiB
C++
// RUN: %clang_analyze_cc1 %s -analyzer-output=text -verify \
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// RUN: -analyzer-checker=core,alpha.nondeterminism.PointerSorting
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#include "Inputs/system-header-simulator-cxx.h"
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bool f(int x) { return true; }
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bool g(int *x) { return true; }
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void PointerSorting() {
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int a = 1, b = 2;
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std::vector<int> V1 = {a, b};
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std::vector<int *> V2 = {&a, &b};
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std::is_sorted(V1.begin(), V1.end()); // no-warning
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std::nth_element(V1.begin(), V1.begin() + 1, V1.end()); // no-warning
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std::partial_sort(V1.begin(), V1.begin() + 1, V1.end()); // no-warning
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std::sort(V1.begin(), V1.end()); // no-warning
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std::stable_sort(V1.begin(), V1.end()); // no-warning
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std::partition(V1.begin(), V1.end(), f); // no-warning
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std::stable_partition(V1.begin(), V1.end(), g); // no-warning
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std::is_sorted(V2.begin(), V2.end()); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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std::nth_element(V2.begin(), V2.begin() + 1, V2.end()); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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std::partial_sort(V2.begin(), V2.begin() + 1, V2.end()); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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std::sort(V2.begin(), V2.end()); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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std::stable_sort(V2.begin(), V2.end()); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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std::partition(V2.begin(), V2.end(), f); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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std::stable_partition(V2.begin(), V2.end(), g); // expected-warning {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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// expected-note@-1 {{Sorting pointer-like elements can result in non-deterministic ordering}} [alpha.nondeterminism.PointerSorting]
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}
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