diff --git a/tests/headers/posix/complex_h.c b/tests/headers/posix/complex_h.c
new file mode 100644
index 0000000..5003139
--- /dev/null
+++ b/tests/headers/posix/complex_h.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <complex.h>
+
+#include "header_checks.h"
+
+#if !defined(complex)
+#error complex
+#endif
+#if !defined(_Complex_I)
+#error _Complex_I
+#endif
+
+#if 0 // No libc actually implements this.
+#if !defined(imaginary)
+#error imaginary
+#endif
+#if !defined(_Imaginary_I)
+#error _Imaginary_I
+#endif
+#endif
+
+#if !defined(I)
+#error I
+#endif
+
+static void complex_h() {
+  FUNCTION(cabs, double (*f)(double complex));
+  FUNCTION(cabsf, float (*f)(float complex));
+  FUNCTION(cabsl, long double (*f)(long double complex));
+
+  FUNCTION(cacos, double complex (*f)(double complex));
+  FUNCTION(cacosf, float complex (*f)(float complex));
+  FUNCTION(cacosl, long double complex (*f)(long double complex));
+
+  FUNCTION(cacosh, double complex (*f)(double complex));
+  FUNCTION(cacoshf, float complex (*f)(float complex));
+  FUNCTION(cacoshl, long double complex (*f)(long double complex));
+
+  FUNCTION(carg, double (*f)(double complex));
+  FUNCTION(cargf, float (*f)(float complex));
+  FUNCTION(cargl, long double (*f)(long double complex));
+
+  FUNCTION(casin, double complex (*f)(double complex));
+  FUNCTION(casinf, float complex (*f)(float complex));
+  FUNCTION(casinl, long double complex (*f)(long double complex));
+
+  FUNCTION(casinh, double complex (*f)(double complex));
+  FUNCTION(casinhf, float complex (*f)(float complex));
+  FUNCTION(casinhl, long double complex (*f)(long double complex));
+
+  FUNCTION(catan, double complex (*f)(double complex));
+  FUNCTION(catanf, float complex (*f)(float complex));
+  FUNCTION(catanl, long double complex (*f)(long double complex));
+
+  FUNCTION(catanh, double complex (*f)(double complex));
+  FUNCTION(catanhf, float complex (*f)(float complex));
+  FUNCTION(catanhl, long double complex (*f)(long double complex));
+
+  FUNCTION(ccos, double complex (*f)(double complex));
+  FUNCTION(ccosf, float complex (*f)(float complex));
+  FUNCTION(ccosl, long double complex (*f)(long double complex));
+
+  FUNCTION(ccosh, double complex (*f)(double complex));
+  FUNCTION(ccoshf, float complex (*f)(float complex));
+  FUNCTION(ccoshl, long double complex (*f)(long double complex));
+
+  FUNCTION(cexp, double complex (*f)(double complex));
+  FUNCTION(cexpf, float complex (*f)(float complex));
+  FUNCTION(cexpl, long double complex (*f)(long double complex));
+
+  FUNCTION(cimag, double (*f)(double complex));
+  FUNCTION(cimagf, float (*f)(float complex));
+  FUNCTION(cimagl, long double (*f)(long double complex));
+
+  FUNCTION(clog, double complex (*f)(double complex));
+  FUNCTION(clogf, float complex (*f)(float complex));
+  FUNCTION(clogl, long double complex (*f)(long double complex));
+
+  FUNCTION(conj, double complex (*f)(double complex));
+  FUNCTION(conjf, float complex (*f)(float complex));
+  FUNCTION(conjl, long double complex (*f)(long double complex));
+
+  FUNCTION(cpow, double complex (*f)(double complex, double complex));
+  FUNCTION(cpowf, float complex (*f)(float complex, float complex));
+  FUNCTION(cpowl, long double complex (*f)(long double complex, long double complex));
+
+  FUNCTION(cproj, double complex (*f)(double complex));
+  FUNCTION(cprojf, float complex (*f)(float complex));
+  FUNCTION(cprojl, long double complex (*f)(long double complex));
+
+  FUNCTION(creal, double (*f)(double complex));
+  FUNCTION(crealf, float (*f)(float complex));
+  FUNCTION(creall, long double (*f)(long double complex));
+
+  FUNCTION(csin, double complex (*f)(double complex));
+  FUNCTION(csinf, float complex (*f)(float complex));
+  FUNCTION(csinl, long double complex (*f)(long double complex));
+
+  FUNCTION(csinh, double complex (*f)(double complex));
+  FUNCTION(csinhf, float complex (*f)(float complex));
+  FUNCTION(csinhl, long double complex (*f)(long double complex));
+
+  FUNCTION(csqrt, double complex (*f)(double complex));
+  FUNCTION(csqrtf, float complex (*f)(float complex));
+  FUNCTION(csqrtl, long double complex (*f)(long double complex));
+
+  FUNCTION(ctan, double complex (*f)(double complex));
+  FUNCTION(ctanf, float complex (*f)(float complex));
+  FUNCTION(ctanl, long double complex (*f)(long double complex));
+
+  FUNCTION(ctanh, double complex (*f)(double complex));
+  FUNCTION(ctanhf, float complex (*f)(float complex));
+  FUNCTION(ctanhl, long double complex (*f)(long double complex));
+}