Trivial strxfrm coverage improvement.
Test: treehugger
Change-Id: I450bd3324c3f0f8ab95cecebe0f57dc85acc2996
diff --git a/tests/string_test.cpp b/tests/string_test.cpp
index 0ed0598..53fb18c 100644
--- a/tests/string_test.cpp
+++ b/tests/string_test.cpp
@@ -1592,10 +1592,21 @@
TEST(STRING_TEST, strxfrm_smoke) {
const char* src1 = "aab";
char dst1[16] = {};
- ASSERT_GT(strxfrm(dst1, src1, sizeof(dst1)), 0U);
+ // Dry run.
+ ASSERT_EQ(strxfrm(dst1, src1, 0), 3U);
+ ASSERT_STREQ(dst1, "");
+ // Really do it.
+ ASSERT_EQ(strxfrm(dst1, src1, sizeof(dst1)), 3U);
+
const char* src2 = "aac";
char dst2[16] = {};
- ASSERT_GT(strxfrm(dst2, src2, sizeof(dst2)), 0U);
+ // Dry run.
+ ASSERT_EQ(strxfrm(dst2, src2, 0), 3U);
+ ASSERT_STREQ(dst2, "");
+ // Really do it.
+ ASSERT_EQ(strxfrm(dst2, src2, sizeof(dst2)), 3U);
+
+ // The "transform" of two different strings should cause different outputs.
ASSERT_TRUE(strcmp(dst1, dst2) < 0);
}