Move end2end and standalone tests to gl_tests and egl_tests

Also introduce a test_utils directory that contains helpers used for all
types of tests.

BUG=angleproject:892

Change-Id: I9e1bff895020ffd3a109162283971a290a1098bd
Reviewed-on: https://chromium-review.googlesource.com/270198
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/tests/gl_tests/ProgramBinaryTest.cpp b/src/tests/gl_tests/ProgramBinaryTest.cpp
new file mode 100644
index 0000000..9bcde2f
--- /dev/null
+++ b/src/tests/gl_tests/ProgramBinaryTest.cpp
@@ -0,0 +1,162 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "test_utils/ANGLETest.h"
+
+#include <memory>
+#include <stdint.h>
+
+using namespace angle;
+
+class ProgramBinaryTest : public ANGLETest
+{
+  protected:
+    ProgramBinaryTest()
+    {
+        setWindowWidth(128);
+        setWindowHeight(128);
+        setConfigRedBits(8);
+        setConfigGreenBits(8);
+        setConfigBlueBits(8);
+        setConfigAlphaBits(8);
+    }
+
+    virtual void SetUp()
+    {
+        ANGLETest::SetUp();
+
+        const std::string vertexShaderSource = SHADER_SOURCE
+        (
+            attribute vec4 inputAttribute;
+            void main()
+            {
+                gl_Position = inputAttribute;
+            }
+        );
+
+        const std::string fragmentShaderSource = SHADER_SOURCE
+        (
+            void main()
+            {
+                gl_FragColor = vec4(1,0,0,1);
+            }
+        );
+
+        mProgram = CompileProgram(vertexShaderSource, fragmentShaderSource);
+        if (mProgram == 0)
+        {
+            FAIL() << "shader compilation failed.";
+        }
+
+        glGenBuffers(1, &mBuffer);
+        glBindBuffer(GL_ARRAY_BUFFER, mBuffer);
+        glBufferData(GL_ARRAY_BUFFER, 128, NULL, GL_STATIC_DRAW);
+        glBindBuffer(GL_ARRAY_BUFFER, 0);
+
+        ASSERT_GL_NO_ERROR();
+    }
+
+    virtual void TearDown()
+    {
+        glDeleteProgram(mProgram);
+        glDeleteBuffers(1, &mBuffer);
+
+        ANGLETest::TearDown();
+    }
+
+    GLuint mProgram;
+    GLuint mBuffer;
+};
+
+// This tests the assumption that float attribs of different size
+// should not internally cause a vertex shader recompile (for conversion).
+TEST_P(ProgramBinaryTest, FloatDynamicShaderSize)
+{
+    glUseProgram(mProgram);
+    glBindBuffer(GL_ARRAY_BUFFER, mBuffer);
+
+    glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 8, NULL);
+    glEnableVertexAttribArray(0);
+    glDrawArrays(GL_POINTS, 0, 1);
+
+    GLint programLength;
+    glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &programLength);
+
+    EXPECT_GL_NO_ERROR();
+
+    for (GLsizei size = 1; size <= 3; size++)
+    {
+        glVertexAttribPointer(0, size, GL_FLOAT, GL_FALSE, 8, NULL);
+        glEnableVertexAttribArray(0);
+        glDrawArrays(GL_POINTS, 0, 1);
+
+        GLint newProgramLength;
+        glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &newProgramLength);
+        EXPECT_GL_NO_ERROR();
+        EXPECT_EQ(programLength, newProgramLength);
+    }
+}
+
+// This tests the ability to successfully save and load a program binary.
+TEST_P(ProgramBinaryTest, SaveAndLoadBinary)
+{
+    GLint programLength = 0;
+    GLint writtenLength = 0;
+    GLenum binaryFormat = 0;
+
+    glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &programLength);
+    EXPECT_GL_NO_ERROR();
+
+    std::vector<uint8_t> binary(programLength);
+    glGetProgramBinaryOES(mProgram, programLength, &writtenLength, &binaryFormat, binary.data());
+    EXPECT_GL_NO_ERROR();
+
+    // The lengths reported by glGetProgramiv and glGetProgramBinaryOES should match
+    EXPECT_EQ(programLength, writtenLength);
+
+    if (writtenLength)
+    {
+        GLuint program2 = glCreateProgram();
+        glProgramBinaryOES(program2, binaryFormat, binary.data(), writtenLength);
+
+        EXPECT_GL_NO_ERROR();
+
+        GLint linkStatus;
+        glGetProgramiv(program2, GL_LINK_STATUS, &linkStatus);
+        if (linkStatus == 0)
+        {
+            GLint infoLogLength;
+            glGetProgramiv(program2, GL_INFO_LOG_LENGTH, &infoLogLength);
+
+            if (infoLogLength > 0)
+            {
+                std::vector<GLchar> infoLog(infoLogLength);
+                glGetProgramInfoLog(program2, infoLog.size(), NULL, &infoLog[0]);
+                FAIL() << "program link failed: " << &infoLog[0];
+            }
+            else
+            {
+                FAIL() << "program link failed.";
+            }
+        }
+        else
+        {
+            glUseProgram(program2);
+            glBindBuffer(GL_ARRAY_BUFFER, mBuffer);
+
+            glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 8, NULL);
+            glEnableVertexAttribArray(0);
+            glDrawArrays(GL_POINTS, 0, 1);
+
+            EXPECT_GL_NO_ERROR();
+        }
+
+        glDeleteProgram(program2);
+    }
+}
+
+// Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
+ANGLE_INSTANTIATE_TEST(ProgramBinaryTest, ES2_D3D9(), ES2_D3D11());