From 44c9bf559bd99899e7858cc37930f91a9de932d2 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sat, 2 Jan 2021 12:21:19 -0700
Subject: [PATCH] std: disable a couple tests on windows

They are passing but we're hitting OOM on the Windows CI server. This is
to buy us more time until stage2 rescues us from the CI memory crisis.
---
 lib/std/hash/crc.zig      | 10 ++++++++++
 lib/std/rand/ziggurat.zig | 14 +++++++++++---
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/lib/std/hash/crc.zig b/lib/std/hash/crc.zig
index b132713a7e..a2d6ed429c 100644
--- a/lib/std/hash/crc.zig
+++ b/lib/std/hash/crc.zig
@@ -102,7 +102,11 @@ pub fn Crc32WithPoly(comptime poly: Polynomial) type {
     };
 }
 
+const please_windows_dont_oom = std.Target.current.os.tag == .windows;
+
 test "crc32 ieee" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     const Crc32Ieee = Crc32WithPoly(.IEEE);
 
     testing.expect(Crc32Ieee.hash("") == 0x00000000);
@@ -111,6 +115,8 @@ test "crc32 ieee" {
 }
 
 test "crc32 castagnoli" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     const Crc32Castagnoli = Crc32WithPoly(.Castagnoli);
 
     testing.expect(Crc32Castagnoli.hash("") == 0x00000000);
@@ -167,6 +173,8 @@ pub fn Crc32SmallWithPoly(comptime poly: Polynomial) type {
 }
 
 test "small crc32 ieee" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     const Crc32Ieee = Crc32SmallWithPoly(.IEEE);
 
     testing.expect(Crc32Ieee.hash("") == 0x00000000);
@@ -175,6 +183,8 @@ test "small crc32 ieee" {
 }
 
 test "small crc32 castagnoli" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     const Crc32Castagnoli = Crc32SmallWithPoly(.Castagnoli);
 
     testing.expect(Crc32Castagnoli.hash("") == 0x00000000);
diff --git a/lib/std/rand/ziggurat.zig b/lib/std/rand/ziggurat.zig
index c84667603e..fe120943d7 100644
--- a/lib/std/rand/ziggurat.zig
+++ b/lib/std/rand/ziggurat.zig
@@ -131,7 +131,11 @@ fn norm_zero_case(random: *Random, u: f64) f64 {
     }
 }
 
-test "ziggurant normal dist sanity" {
+const please_windows_dont_oom = std.Target.current.os.tag == .windows;
+
+test "normal dist sanity" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     var prng = std.rand.DefaultPrng.init(0);
     var i: usize = 0;
     while (i < 1000) : (i += 1) {
@@ -158,7 +162,9 @@ fn exp_zero_case(random: *Random, _: f64) f64 {
     return exp_r - math.ln(random.float(f64));
 }
 
-test "ziggurant exp dist sanity" {
+test "exp dist sanity" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     var prng = std.rand.DefaultPrng.init(0);
     var i: usize = 0;
     while (i < 1000) : (i += 1) {
@@ -166,6 +172,8 @@ test "ziggurant exp dist sanity" {
     }
 }
 
-test "ziggurat table gen" {
+test "table gen" {
+    if (please_windows_dont_oom) return error.SkipZigTest;
+
     const table = NormDist;
 }