48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
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// RUN: %clang_analyze_cc1 -w -analyzer-checker=core.DivideZero -analyzer-output=text -verify %s
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// This test file verifies the "Assuming..." diagnostic pieces that are being
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// reported when the branch condition was too complicated to explain.
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// Therefore, if your change replaces the generic "Assuming the condition is
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// true" with a more specific message, causing this test to fail, the condition
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// should be replaced with a more complicated condition that we still cannot
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// properly explain to the user. Once we reach the point at which all conditions
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// are "diagnosable", this test (or this note) should probably be removed,
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// together with the code section that handles generic messages for
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// non-diagnosable conditions.
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// Function calls are currently non-diagnosable.
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int non_diagnosable();
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void test_true() {
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if (non_diagnosable()) {
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// expected-note@-1{{Assuming the condition is true}}
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// expected-note@-2{{Taking true branch}}
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1 / 0;
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// expected-warning@-1{{Division by zero}}
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// expected-note@-2{{Division by zero}}
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}
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}
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void test_false() {
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if (non_diagnosable()) {
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// expected-note@-1{{Assuming the condition is false}}
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// expected-note@-2{{Taking false branch}}
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} else {
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1 / 0;
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// expected-warning@-1{{Division by zero}}
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// expected-note@-2{{Division by zero}}
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}
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}
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// Test that we're still reporting that the condition is true,
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// when we encounter an exclamation mark (used to be broken).
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void test_exclamation_mark() {
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if (!non_diagnosable()) {
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// expected-note@-1{{Assuming the condition is true}}
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// expected-note@-2{{Taking true branch}}
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1 / 0;
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// expected-warning@-1{{Division by zero}}
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// expected-note@-2{{Division by zero}}
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}
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}
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