Merge branch 'master' of ssh://bitbucket.org/czan/honours

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
+  }
+}