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-rw-r--r--clang/test/Analysis/array-struct-region.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/clang/test/Analysis/array-struct-region.c b/clang/test/Analysis/array-struct-region.c
new file mode 100644
index 0000000..4b085c8
--- /dev/null
+++ b/clang/test/Analysis/array-struct-region.c
@@ -0,0 +1,47 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,experimental.deadcode.UnreachableCode -analyzer-store=region -analyzer-constraints=basic -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core,experimental.deadcode.UnreachableCode -analyzer-store=region -analyzer-constraints=range -verify %s
+
+int string_literal_init() {
+ char a[] = "abc";
+ char b[2] = "abc"; // expected-warning{{too long}}
+ char c[5] = "abc";
+
+ if (a[1] != 'b')
+ return 0; // expected-warning{{never executed}}
+ if (b[1] != 'b')
+ return 0; // expected-warning{{never executed}}
+ if (c[1] != 'b')
+ return 0; // expected-warning{{never executed}}
+
+ if (a[3] != 0)
+ return 0; // expected-warning{{never executed}}
+ if (c[3] != 0)
+ return 0; // expected-warning{{never executed}}
+
+ if (c[4] != 0)
+ return 0; // expected-warning{{never executed}}
+
+ return 42;
+}
+
+void nested_compound_literals(int rad) {
+ int vec[6][2] = {{0.195, 0.02}, {0.383, 0.067}, {0.55, 0.169}, // expected-warning 6 {{implicit conversion turns literal floating-point number into integer}}
+ {0.831, 0.45}, {0.924, 0.617}, {0.98, 0.805}}; // expected-warning 6 {{implicit conversion turns literal floating-point number into integer}}
+ int a;
+
+ for (a = 0; a < 6; ++a) {
+ vec[a][0] *= rad; // no-warning
+ vec[a][1] *= rad; // no-warning
+ }
+}
+
+void nested_compound_literals_float(float rad) {
+ float vec[6][2] = {{0.195, 0.02}, {0.383, 0.067}, {0.55, 0.169},
+ {0.831, 0.45}, {0.924, 0.617}, {0.98, 0.805}};
+ int a;
+
+ for (a = 0; a < 6; ++a) {
+ vec[a][0] *= rad; // no-warning
+ vec[a][1] *= rad; // no-warning
+ }
+}