Merge "libgui_test: fix a couple minor test issues" into jb-mr2-dev

        glVertexPointer(2, GL_FLOAT, 0, vertices);

        glVertexPointer(2, GL_FLOAT, 0, vertices);

        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);

        glDrawArrays(GL_TRIANGLE_FAN, 0, 4);

        ASSERT_EQ( glGetError(), GL_NO_ERROR );

        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());

    }

    }

    ASSERT_TRUE( eglSwapBuffers(mEglDisplay, mEglSurface) );

    uint32_t* pixels = new uint32_t[8*16*16];

    glReadPixels(0, 0, 8*16, 16, GL_RGBA, GL_UNSIGNED_BYTE, pixels);

    for (int i=0 ; i<8 ; i++) {

    for (int i=0 ; i<8 ; i++) {

        uint32_t p = pixels[i*16 + 8 + 8*(8*16)]; // center of each square

        EXPECT_TRUE(checkPixel(i*16 + 8,  8, i*16, i*16, i*16, i*16, 0));

        EXPECT_EQ(p, (i&7) * 0x10101010);

    }

    }

    delete [] pixels;

}

}