diff --git a/tests/core/Makefile b/tests/core/Makefile
index 0a1055120..4073da3f1 100644
--- a/tests/core/Makefile
+++ b/tests/core/Makefile
@@ -33,7 +33,7 @@ download_test_assets:
 	$(PYTHON) download_assets.py
 
 c_libc_test:
-	$(ODIN) run c/libc $(COMMON) -out:test_core_libc
+	$(ODIN) test c/libc $(COMMON) -out:test_core_libc
 
 compress_test:
 	$(ODIN) test compress $(COMMON) -out:test_core_compress
diff --git a/tests/core/build.bat b/tests/core/build.bat
index a26ccf176..69a7d432a 100644
--- a/tests/core/build.bat
+++ b/tests/core/build.bat
@@ -3,6 +3,11 @@ set COMMON=-no-bounds-check -vet -strict-style
 set COLLECTION=-collection:tests=..
 set PATH_TO_ODIN==..\..\odin
 python3 download_assets.py
+echo ---
+echo Running core:c/libc tests
+echo ---
+%PATH_TO_ODIN% test c\libc %COMMON% -out:test_libc.exe || exit /b
+
 echo ---
 echo Running core:compress tests
 echo ---
diff --git a/tests/core/c/libc/test_core_libc.odin b/tests/core/c/libc/test_core_libc.odin
deleted file mode 100644
index 9b5014dee..000000000
--- a/tests/core/c/libc/test_core_libc.odin
+++ /dev/null
@@ -1,36 +0,0 @@
-package test_core_libc
-
-import "core:fmt"
-import "core:os"
-import "core:testing"
-
-TEST_count := 0
-TEST_fail  := 0
-
-when ODIN_TEST {
-	expect  :: testing.expect
-	log     :: testing.log
-} else {
-	expect  :: proc(t: ^testing.T, condition: bool, message: string, loc := #caller_location) {
-		TEST_count += 1
-		if !condition {
-			TEST_fail += 1
-			fmt.printf("[%v] %v\n", loc, message)
-			return
-		}
-	}
-	log :: proc(t: ^testing.T, v: any, loc := #caller_location) {
-		fmt.printf("[%v] ", loc)
-		fmt.printf("log: %v\n", v)
-	}
-}
-
-main :: proc() {
-	t := testing.T{}
-	test_libc_complex(&t)
-
-	fmt.printf("%v/%v tests successful.\n", TEST_count - TEST_fail, TEST_count)
-	if TEST_fail > 0 {
-		os.exit(1)
-	}
-}
diff --git a/tests/core/c/libc/test_core_libc_complex_pow.odin b/tests/core/c/libc/test_core_libc_complex_pow.odin
index 90928794c..cd50c8f6a 100644
--- a/tests/core/c/libc/test_core_libc_complex_pow.odin
+++ b/tests/core/c/libc/test_core_libc_complex_pow.odin
@@ -1,8 +1,8 @@
 package test_core_libc
 
 import "core:testing"
-import "core:fmt"
 import "core:c/libc"
+import "core:log"
 
 reldiff :: proc(lhs, rhs: $T) -> f64  {
 	if lhs == rhs {
@@ -14,7 +14,7 @@ reldiff :: proc(lhs, rhs: $T) -> f64  {
 	return out
 }
 
-isclose :: proc(lhs, rhs: $T, rtol:f64 = 1e-12, atol:f64 = 1e-12) -> bool {
+isclose :: proc(t: ^testing.T, lhs, rhs: $T, rtol:f64 = 1e-12, atol:f64 = 1e-12) -> bool {
 	adiff := f64(abs(lhs - rhs))
 	if adiff < atol { 
 		return true
@@ -23,7 +23,7 @@ isclose :: proc(lhs, rhs: $T, rtol:f64 = 1e-12, atol:f64 = 1e-12) -> bool {
 	if rdiff < rtol {
 		return true
 	}
-	fmt.printf("not close -- lhs:%v rhs:%v -- adiff:%e   rdiff:%e\n",lhs, rhs, adiff, rdiff)
+	log.infof("not close -- lhs:%v rhs:%v -- adiff:%e   rdiff:%e\n",lhs, rhs, adiff, rdiff)
 	return false
 }
 
@@ -44,7 +44,6 @@ test_libc_complex :: proc(t: ^testing.T) {
 	test_libc_pow_binding(t, libc.complex_float, f32, libc_powf, 1e-12, 1e-5)
 }
 
-@test
 test_libc_pow_binding :: proc(t: ^testing.T, $LIBC_COMPLEX:typeid, $F:typeid, pow: proc(LIBC_COMPLEX, LIBC_COMPLEX) -> LIBC_COMPLEX, 
                               rtol: f64, atol: f64) {
 	// Tests that c/libc/pow(f) functions have two arguments and that the function works as expected for simple inputs
@@ -56,8 +55,8 @@ test_libc_pow_binding :: proc(t: ^testing.T, $LIBC_COMPLEX:typeid, $F:typeid, po
 		for n in -4..=4 {
 			complex_power := LIBC_COMPLEX(complex(F(n), F(0.)))
 			result := pow(complex_base, complex_power) 
-			expect(t, isclose(expected_real, F(real(result)), rtol, atol), fmt.tprintf("ftype:%T, n:%v reldiff(%v, re(%v)) is greater than specified rtol:%e", F{}, n, expected_real, result, rtol))
-			expect(t, isclose(expected_imag, F(imag(result)), rtol, atol), fmt.tprintf("ftype:%T, n:%v reldiff(%v, im(%v)) is greater than specified rtol:%e", F{}, n, expected_imag, result, rtol))
+			testing.expectf(t, isclose(t, expected_real, F(real(result)), rtol, atol), "ftype:%T, n:%v reldiff(%v, re(%v)) is greater than specified rtol:%e", F{}, n, expected_real, result, rtol)
+			testing.expectf(t, isclose(t, expected_imag, F(imag(result)), rtol, atol), "ftype:%T, n:%v reldiff(%v, im(%v)) is greater than specified rtol:%e", F{}, n, expected_imag, result, rtol)
 			expected_real *= 2
 		}
 	}
@@ -83,8 +82,8 @@ test_libc_pow_binding :: proc(t: ^testing.T, $LIBC_COMPLEX:typeid, $F:typeid, po
 					expected_real = 0.
 					expected_imag = -value
 			}
-			expect(t, isclose(expected_real, F(real(result)), rtol, atol), fmt.tprintf("ftype:%T, n:%v reldiff(%v, re(%v)) is greater than specified rtol:%e", F{}, n, expected_real, result, rtol))
-			expect(t, isclose(expected_imag, F(imag(result)), rtol, atol), fmt.tprintf("ftype:%T, n:%v reldiff(%v, im(%v)) is greater than specified rtol:%e", F{}, n, expected_imag, result, rtol))
+			testing.expectf(t, isclose(t, expected_real, F(real(result)), rtol, atol), "ftype:%T, n:%v reldiff(%v, re(%v)) is greater than specified rtol:%e", F{}, n, expected_real, result, rtol)
+			testing.expectf(t, isclose(t, expected_imag, F(imag(result)), rtol, atol), "ftype:%T, n:%v reldiff(%v, im(%v)) is greater than specified rtol:%e", F{}, n, expected_imag, result, rtol)
 			value *= 2
 		}
 	}