71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
// RUN: clang-cc -fsyntax-only -verify %s
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void f (int z) {
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while (z) {
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default: z--; // expected-error {{statement not in switch}}
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}
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}
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void foo(int X) {
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switch (X) {
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case 42: ; // expected-note {{previous case}}
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case 5000000000LL: // expected-warning {{overflow}}
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case 42: // expected-error {{duplicate case value}}
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;
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case 100 ... 99: ; // expected-warning {{empty case range}}
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case 43: ; // expected-note {{previous case}}
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case 43 ... 45: ; // expected-error {{duplicate case value}}
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case 100 ... 20000:; // expected-note {{previous case}}
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case 15000 ... 40000000:; // expected-error {{duplicate case value}}
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}
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}
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void test3(void) {
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// empty switch;
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switch (0);
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}
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extern int g();
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void test4()
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{
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switch (1) {
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case 0 && g():
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case 1 || g():
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break;
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}
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switch(1) {
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case g(): // expected-error {{expression is not an integer constant expression}}
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case 0 ... g(): // expected-error {{expression is not an integer constant expression}}
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break;
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}
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switch (1) {
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case 0 && g() ... 1 || g():
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break;
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}
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switch (1) {
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case g() && 0: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}}
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break;
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}
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switch (1) {
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case 0 ... g() || 1: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}}
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break;
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}
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}
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void test5(int z) {
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switch(z) {
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default: // expected-note {{previous case defined here}}
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default: // expected-error {{multiple default labels in one switch}}
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break;
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}
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}
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