forked from OSchip/llvm-project
48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
// RUN: %clang_cc1 -w -analyze -analyzer-checker=core.DivideZero -analyzer-output=text -verify %s
|
|
|
|
// This test file verifies the "Assuming..." diagnostic pieces that are being
|
|
// reported when the branch condition was too complicated to explain.
|
|
// Therefore, if your change replaces the generic "Assuming the condition is
|
|
// true" with a more specific message, causing this test to fail, the condition
|
|
// should be replaced with a more complicated condition that we still cannot
|
|
// properly explain to the user. Once we reach the point at which all conditions
|
|
// are "diagnosable", this test (or this note) should probably be removed,
|
|
// together with the code section that handles generic messages for
|
|
// non-diagnosable conditions.
|
|
|
|
// Function calls are currently non-diagnosable.
|
|
int non_diagnosable();
|
|
|
|
void test_true() {
|
|
if (non_diagnosable()) {
|
|
// expected-note@-1{{Assuming the condition is true}}
|
|
// expected-note@-2{{Taking true branch}}
|
|
1 / 0;
|
|
// expected-warning@-1{{Division by zero}}
|
|
// expected-note@-2{{Division by zero}}
|
|
}
|
|
}
|
|
|
|
void test_false() {
|
|
if (non_diagnosable()) {
|
|
// expected-note@-1{{Assuming the condition is false}}
|
|
// expected-note@-2{{Taking false branch}}
|
|
} else {
|
|
1 / 0;
|
|
// expected-warning@-1{{Division by zero}}
|
|
// expected-note@-2{{Division by zero}}
|
|
}
|
|
}
|
|
|
|
// Test that we're still reporting that the condition is true,
|
|
// when we encounter an exclamation mark (used to be broken).
|
|
void test_exclamation_mark() {
|
|
if (!non_diagnosable()) {
|
|
// expected-note@-1{{Assuming the condition is true}}
|
|
// expected-note@-2{{Taking true branch}}
|
|
1 / 0;
|
|
// expected-warning@-1{{Division by zero}}
|
|
// expected-note@-2{{Division by zero}}
|
|
}
|
|
}
|